struct nand_chip now embeds an mtd device. Patch all drivers to make use of this mtd instance instead of using the instance embedded in their private struct or dynamically allocated. Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx> Cc: Julia Lawall <Julia.Lawall@xxxxxxx> --- Most of those changes were generate with this coccinelle script: http://code.bulix.org/5vxuih-89429 --- drivers/mtd/nand/ams-delta.c | 13 ++-- drivers/mtd/nand/atmel_nand.c | 11 ++- drivers/mtd/nand/au1550nd.c | 18 ++--- drivers/mtd/nand/bcm47xxnflash/bcm47xxnflash.h | 1 - drivers/mtd/nand/bcm47xxnflash/main.c | 7 +- drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c | 2 +- drivers/mtd/nand/bf5xx_nand.c | 14 ++-- drivers/mtd/nand/brcmnand/brcmnand.c | 11 ++- drivers/mtd/nand/cafe_nand.c | 10 +-- drivers/mtd/nand/cmx270_nand.c | 11 ++- drivers/mtd/nand/cs553x_nand.c | 13 ++-- drivers/mtd/nand/davinci_nand.c | 25 +++---- drivers/mtd/nand/denali.c | 61 +++++++++-------- drivers/mtd/nand/denali.h | 1 - drivers/mtd/nand/diskonchip.c | 11 ++- drivers/mtd/nand/docg4.c | 18 +++-- drivers/mtd/nand/fsl_elbc_nand.c | 22 +++--- drivers/mtd/nand/fsl_ifc_nand.c | 23 +++---- drivers/mtd/nand/fsl_upm.c | 26 +++---- drivers/mtd/nand/fsmc_nand.c | 59 +++++++++------- drivers/mtd/nand/gpio.c | 16 ++--- drivers/mtd/nand/gpmi-nand/gpmi-lib.c | 2 +- drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 20 +++--- drivers/mtd/nand/gpmi-nand/gpmi-nand.h | 1 - drivers/mtd/nand/hisi504_nand.c | 11 ++- drivers/mtd/nand/jz4740_nand.c | 9 ++- drivers/mtd/nand/lpc32xx_mlc.c | 7 +- drivers/mtd/nand/lpc32xx_slc.c | 7 +- drivers/mtd/nand/mpc5121_nfc.c | 3 +- drivers/mtd/nand/mxc_nand.c | 5 +- drivers/mtd/nand/nandsim.c | 12 ++-- drivers/mtd/nand/ndfc.c | 22 +++--- drivers/mtd/nand/nuc900_nand.c | 21 +++--- drivers/mtd/nand/omap2.c | 94 +++++++++++++++----------- drivers/mtd/nand/orion_nand.c | 4 +- drivers/mtd/nand/pasemi_nand.c | 14 ++-- drivers/mtd/nand/plat_nand.c | 14 ++-- drivers/mtd/nand/pxa3xx_nand.c | 33 ++++----- drivers/mtd/nand/r852.c | 34 ++++------ drivers/mtd/nand/r852.h | 1 - drivers/mtd/nand/s3c2410.c | 19 +++--- drivers/mtd/nand/sh_flctl.c | 8 +-- drivers/mtd/nand/sharpsl.c | 18 ++--- drivers/mtd/nand/socrates_nand.c | 5 +- drivers/mtd/nand/sunxi_nand.c | 13 ++-- drivers/mtd/nand/tmio_nand.c | 7 +- drivers/mtd/nand/txx9ndfmc.c | 3 +- drivers/mtd/nand/vf610_nfc.c | 5 +- include/linux/mtd/sh_flctl.h | 3 +- 49 files changed, 383 insertions(+), 385 deletions(-) diff --git a/drivers/mtd/nand/ams-delta.c b/drivers/mtd/nand/ams-delta.c index b2b49c4..0f638c6 100644 --- a/drivers/mtd/nand/ams-delta.c +++ b/drivers/mtd/nand/ams-delta.c @@ -183,19 +183,16 @@ static int ams_delta_init(struct platform_device *pdev) return -ENXIO; /* Allocate memory for MTD device structure and private data */ - ams_delta_mtd = kzalloc(sizeof(struct mtd_info) + - sizeof(struct nand_chip), GFP_KERNEL); - if (!ams_delta_mtd) { + this = kzalloc(sizeof(struct nand_chip), GFP_KERNEL); + if (!this) { printk (KERN_WARNING "Unable to allocate E3 NAND MTD device structure.\n"); err = -ENOMEM; goto out; } + ams_delta_mtd = nand_to_mtd(this); ams_delta_mtd->owner = THIS_MODULE; - /* Get pointer to private data */ - this = (struct nand_chip *) (&ams_delta_mtd[1]); - /* Link the private data with the MTD structure */ ams_delta_mtd->priv = this; @@ -256,7 +253,7 @@ out_gpio: gpio_free(AMS_DELTA_GPIO_PIN_NAND_RB); iounmap(io_base); out_free: - kfree(ams_delta_mtd); + kfree(this); out: return err; } @@ -276,7 +273,7 @@ static int ams_delta_cleanup(struct platform_device *pdev) iounmap(io_base); /* Free the MTD device structure */ - kfree(ams_delta_mtd); + kfree(mtd_to_nand(ams_delta_mtd)); return 0; } diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c index f8aac0a..51748b4 100644 --- a/drivers/mtd/nand/atmel_nand.c +++ b/drivers/mtd/nand/atmel_nand.c @@ -116,7 +116,6 @@ static struct atmel_nfc nand_nfc; struct atmel_nand_host { struct nand_chip nand_chip; - struct mtd_info mtd; void __iomem *io_base; dma_addr_t io_phys; struct atmel_nand_data board; @@ -318,7 +317,7 @@ static int nfc_set_sram_bank(struct atmel_nand_host *host, unsigned int bank) if (bank) { /* Only for a 2k-page or lower flash, NFC can handle 2 banks */ - if (host->mtd.writesize > 2048) + if (nand_to_mtd(&host->nand_chip)->writesize > 2048) return -EINVAL; nfc_writel(host->nfc->hsmc_regs, BANK, ATMEL_HSMC_NFC_BANK1); } else { @@ -1159,7 +1158,7 @@ static uint16_t *create_lookup_table(struct device *dev, int sector_size) static int atmel_pmecc_nand_init_params(struct platform_device *pdev, struct atmel_nand_host *host) { - struct mtd_info *mtd = &host->mtd; + struct mtd_info *mtd = nand_to_mtd(&host->nand_chip); struct nand_chip *nand_chip = &host->nand_chip; struct resource *regs, *regs_pmerr, *regs_rom; uint16_t *galois_table; @@ -1586,7 +1585,7 @@ static int atmel_of_init_port(struct atmel_nand_host *host, static int atmel_hw_nand_init_params(struct platform_device *pdev, struct atmel_nand_host *host) { - struct mtd_info *mtd = &host->mtd; + struct mtd_info *mtd = nand_to_mtd(&host->nand_chip); struct nand_chip *nand_chip = &host->nand_chip; struct resource *regs; @@ -2112,7 +2111,7 @@ static int atmel_nand_probe(struct platform_device *pdev) } host->io_phys = (dma_addr_t)mem->start; - mtd = &host->mtd; + mtd = nand_to_mtd(&host->nand_chip); nand_chip = &host->nand_chip; host->dev = &pdev->dev; if (IS_ENABLED(CONFIG_OF) && pdev->dev.of_node) { @@ -2283,7 +2282,7 @@ err_nand_ioremap: static int atmel_nand_remove(struct platform_device *pdev) { struct atmel_nand_host *host = platform_get_drvdata(pdev); - struct mtd_info *mtd = &host->mtd; + struct mtd_info *mtd = nand_to_mtd(&host->nand_chip); nand_release(mtd); diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c index 73fceb8..7e2a376 100644 --- a/drivers/mtd/nand/au1550nd.c +++ b/drivers/mtd/nand/au1550nd.c @@ -23,7 +23,6 @@ struct au1550nd_ctx { - struct mtd_info info; struct nand_chip chip; int cs; @@ -197,7 +196,8 @@ static void au_read_buf16(struct mtd_info *mtd, u_char *buf, int len) static void au1550_hwcontrol(struct mtd_info *mtd, int cmd) { - struct au1550nd_ctx *ctx = container_of(mtd, struct au1550nd_ctx, info); + struct au1550nd_ctx *ctx = container_of(mtd_to_nand(mtd), + struct au1550nd_ctx, chip); struct nand_chip *this = mtd_to_nand(mtd); switch (cmd) { @@ -267,7 +267,8 @@ static void au1550_select_chip(struct mtd_info *mtd, int chip) */ static void au1550_command(struct mtd_info *mtd, unsigned command, int column, int page_addr) { - struct au1550nd_ctx *ctx = container_of(mtd, struct au1550nd_ctx, info); + struct au1550nd_ctx *ctx = container_of(mtd_to_nand(mtd), + struct au1550nd_ctx, chip); struct nand_chip *this = mtd_to_nand(mtd); int ce_override = 0, i; unsigned long flags = 0; @@ -438,8 +439,8 @@ static int au1550nd_probe(struct platform_device *pdev) } this = &ctx->chip; - ctx->info.priv = this; - ctx->info.dev.parent = &pdev->dev; + nand_to_mtd(&ctx->chip)->priv = this; + nand_to_mtd(&ctx->chip)->dev.parent = &pdev->dev; /* figure out which CS# r->start belongs to */ cs = find_nand_cs(r->start); @@ -467,13 +468,14 @@ static int au1550nd_probe(struct platform_device *pdev) this->write_buf = (pd->devwidth) ? au_write_buf16 : au_write_buf; this->read_buf = (pd->devwidth) ? au_read_buf16 : au_read_buf; - ret = nand_scan(&ctx->info, 1); + ret = nand_scan(nand_to_mtd(&ctx->chip), 1); if (ret) { dev_err(&pdev->dev, "NAND scan failed with %d\n", ret); goto out3; } - mtd_device_register(&ctx->info, pd->parts, pd->num_parts); + mtd_device_register(nand_to_mtd(&ctx->chip), pd->parts, + pd->num_parts); platform_set_drvdata(pdev, ctx); @@ -493,7 +495,7 @@ static int au1550nd_remove(struct platform_device *pdev) struct au1550nd_ctx *ctx = platform_get_drvdata(pdev); struct resource *r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - nand_release(&ctx->info); + nand_release(nand_to_mtd(&ctx->chip)); iounmap(ctx->base); release_mem_region(r->start, 0x1000); kfree(ctx); diff --git a/drivers/mtd/nand/bcm47xxnflash/bcm47xxnflash.h b/drivers/mtd/nand/bcm47xxnflash/bcm47xxnflash.h index c005a62..8ea7571 100644 --- a/drivers/mtd/nand/bcm47xxnflash/bcm47xxnflash.h +++ b/drivers/mtd/nand/bcm47xxnflash/bcm47xxnflash.h @@ -12,7 +12,6 @@ struct bcm47xxnflash { struct bcma_drv_cc *cc; struct nand_chip nand_chip; - struct mtd_info mtd; unsigned curr_command; int curr_page_addr; diff --git a/drivers/mtd/nand/bcm47xxnflash/main.c b/drivers/mtd/nand/bcm47xxnflash/main.c index 9ba0c0f..f3476fa 100644 --- a/drivers/mtd/nand/bcm47xxnflash/main.c +++ b/drivers/mtd/nand/bcm47xxnflash/main.c @@ -34,8 +34,8 @@ static int bcm47xxnflash_probe(struct platform_device *pdev) return -ENOMEM; b47n->nand_chip.priv = b47n; - b47n->mtd.dev.parent = &pdev->dev; - b47n->mtd.priv = &b47n->nand_chip; /* Required */ + nand_to_mtd(&b47n->nand_chip)->dev.parent = &pdev->dev; + nand_to_mtd(&b47n->nand_chip)->priv = &b47n->nand_chip; /* Required */ b47n->cc = container_of(nflash, struct bcma_drv_cc, nflash); if (b47n->cc->core->bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) { @@ -49,7 +49,8 @@ static int bcm47xxnflash_probe(struct platform_device *pdev) return err; } - err = mtd_device_parse_register(&b47n->mtd, probes, NULL, NULL, 0); + err = mtd_device_parse_register(nand_to_mtd(&b47n->nand_chip), + probes, NULL, NULL, 0); if (err) { pr_err("Failed to register MTD device: %d\n", err); return err; diff --git a/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c b/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c index e5b2e48..6524780 100644 --- a/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c +++ b/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c @@ -421,7 +421,7 @@ int bcm47xxnflash_ops_bcm4706_init(struct bcm47xxnflash *b47n) (w4 << 24 | w3 << 18 | w2 << 12 | w1 << 6 | w0)); /* Scan NAND */ - err = nand_scan(&b47n->mtd, 1); + err = nand_scan(nand_to_mtd(&b47n->nand_chip), 1); if (err) { pr_err("Could not scan NAND flash: %d\n", err); goto exit; diff --git a/drivers/mtd/nand/bf5xx_nand.c b/drivers/mtd/nand/bf5xx_nand.c index d9da5ed..671d983 100644 --- a/drivers/mtd/nand/bf5xx_nand.c +++ b/drivers/mtd/nand/bf5xx_nand.c @@ -142,7 +142,6 @@ static struct nand_ecclayout bootrom_ecclayout = { struct bf5xx_nand_info { /* mtd info */ struct nand_hw_control controller; - struct mtd_info mtd; struct nand_chip chip; /* platform info */ @@ -160,7 +159,8 @@ struct bf5xx_nand_info { */ static struct bf5xx_nand_info *mtd_to_nand_info(struct mtd_info *mtd) { - return container_of(mtd, struct bf5xx_nand_info, mtd); + return container_of(mtd_to_nand(mtd), struct bf5xx_nand_info, + chip); } static struct bf5xx_nand_info *to_nand_info(struct platform_device *pdev) @@ -660,7 +660,7 @@ static int bf5xx_nand_hw_init(struct bf5xx_nand_info *info) */ static int bf5xx_nand_add_partition(struct bf5xx_nand_info *info) { - struct mtd_info *mtd = &info->mtd; + struct mtd_info *mtd = nand_to_mtd(&info->chip); struct mtd_partition *parts = info->platform->partitions; int nr = info->platform->nr_partitions; @@ -675,7 +675,7 @@ static int bf5xx_nand_remove(struct platform_device *pdev) * and their partitions, then go through freeing the * resources used */ - nand_release(&info->mtd); + nand_release(nand_to_mtd(&info->chip)); peripheral_free_list(bfin_nfc_pin_req); bf5xx_nand_dma_remove(info); @@ -772,7 +772,7 @@ static int bf5xx_nand_probe(struct platform_device *pdev) chip->cmd_ctrl = bf5xx_nand_hwcontrol; chip->dev_ready = bf5xx_nand_devready; - chip->priv = &info->mtd; + chip->priv = nand_to_mtd(&info->chip); chip->controller = &info->controller; chip->IO_ADDR_R = (void __iomem *) NFC_READ; @@ -781,9 +781,9 @@ static int bf5xx_nand_probe(struct platform_device *pdev) chip->chip_delay = 0; /* initialise mtd info data struct */ - mtd = &info->mtd; + mtd = nand_to_mtd(&info->chip); mtd->priv = chip; - mtd->dev.parent = &pdev->dev; + mtd->dev.parent = &pdev->dev; /* initialise the hardware */ err = bf5xx_nand_hw_init(info); diff --git a/drivers/mtd/nand/brcmnand/brcmnand.c b/drivers/mtd/nand/brcmnand/brcmnand.c index ed67aae..20ebf00 100644 --- a/drivers/mtd/nand/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/brcmnand/brcmnand.c @@ -179,7 +179,6 @@ struct brcmnand_host { struct device_node *of_node; struct nand_chip chip; - struct mtd_info mtd; struct platform_device *pdev; int cs; @@ -1075,7 +1074,7 @@ static int brcmnand_low_level_op(struct brcmnand_host *host, enum brcmnand_llop_type type, u32 data, bool last_op) { - struct mtd_info *mtd = &host->mtd; + struct mtd_info *mtd = nand_to_mtd(&host->chip); struct nand_chip *chip = &host->chip; struct brcmnand_controller *ctrl = host->ctrl; u32 tmp; @@ -1806,7 +1805,7 @@ static inline int get_blk_adr_bytes(u64 size, u32 writesize) static int brcmnand_setup_dev(struct brcmnand_host *host) { - struct mtd_info *mtd = &host->mtd; + struct mtd_info *mtd = nand_to_mtd(&host->chip); struct nand_chip *chip = &host->chip; struct brcmnand_controller *ctrl = host->ctrl; struct brcmnand_cfg *cfg = &host->hwcfg; @@ -1921,7 +1920,7 @@ static int brcmnand_init_cs(struct brcmnand_host *host) return -ENXIO; } - mtd = &host->mtd; + mtd = nand_to_mtd(&host->chip); chip = &host->chip; nand_set_flash_node(chip, dn); @@ -2066,7 +2065,7 @@ static int brcmnand_resume(struct device *dev) } list_for_each_entry(host, &ctrl->host_list, node) { - struct mtd_info *mtd = &host->mtd; + struct mtd_info *mtd = nand_to_mtd(&host->chip); struct nand_chip *chip = mtd->priv; brcmnand_save_restore_cs_config(host, 1); @@ -2265,7 +2264,7 @@ int brcmnand_remove(struct platform_device *pdev) struct brcmnand_host *host; list_for_each_entry(host, &ctrl->host_list, node) - nand_release(&host->mtd); + nand_release(nand_to_mtd(&host->chip)); dev_set_drvdata(&pdev->dev, NULL); diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c index 77c92f1..1d3a66c 100644 --- a/drivers/mtd/nand/cafe_nand.c +++ b/drivers/mtd/nand/cafe_nand.c @@ -605,15 +605,15 @@ static int cafe_nand_probe(struct pci_dev *pdev, pci_set_master(pdev); - mtd = kzalloc(sizeof(*mtd) + sizeof(struct cafe_priv), GFP_KERNEL); - if (!mtd) + cafe = kzalloc(sizeof(*cafe), GFP_KERNEL); + if (!cafe) return -ENOMEM; - cafe = (void *)(&mtd[1]); + mtd = nand_to_mtd(&cafe->nand); mtd->dev.parent = &pdev->dev; mtd->priv = &cafe->nand; - cafe->nand.priv = cafe; + cafe->nand.priv = cafe; cafe->pdev = pdev; cafe->mmio = pci_iomap(pdev, 0, 0); if (!cafe->mmio) { @@ -813,7 +813,7 @@ static void cafe_nand_remove(struct pci_dev *pdev) 2112 + sizeof(struct nand_buffers) + mtd->writesize + mtd->oobsize, cafe->dmabuf, cafe->dmaaddr); - kfree(mtd); + kfree(cafe); } static const struct pci_device_id cafe_nand_tbl[] = { diff --git a/drivers/mtd/nand/cmx270_nand.c b/drivers/mtd/nand/cmx270_nand.c index 43bded6..84d027e 100644 --- a/drivers/mtd/nand/cmx270_nand.c +++ b/drivers/mtd/nand/cmx270_nand.c @@ -160,10 +160,8 @@ static int __init cmx270_init(void) gpio_direction_input(GPIO_NAND_RB); /* Allocate memory for MTD device structure and private data */ - cmx270_nand_mtd = kzalloc(sizeof(struct mtd_info) + - sizeof(struct nand_chip), - GFP_KERNEL); - if (!cmx270_nand_mtd) { + this = kzalloc(sizeof(struct nand_chip), GFP_KERNEL); + if (!this) { ret = -ENOMEM; goto err_kzalloc; } @@ -175,8 +173,7 @@ static int __init cmx270_init(void) goto err_ioremap; } - /* Get pointer to private data */ - this = (struct nand_chip *)(&cmx270_nand_mtd[1]); + cmx270_nand_mtd = nand_to_mtd(this); /* Link the private data with the MTD structure */ cmx270_nand_mtd->owner = THIS_MODULE; @@ -241,7 +238,7 @@ static void __exit cmx270_cleanup(void) iounmap(cmx270_nand_io); /* Free the MTD device structure */ - kfree (cmx270_nand_mtd); + kfree(mtd_to_nand(cmx270_nand_mtd)); } module_exit(cmx270_cleanup); diff --git a/drivers/mtd/nand/cs553x_nand.c b/drivers/mtd/nand/cs553x_nand.c index 9537bbe..ea51a9c 100644 --- a/drivers/mtd/nand/cs553x_nand.c +++ b/drivers/mtd/nand/cs553x_nand.c @@ -197,14 +197,13 @@ static int __init cs553x_init_one(int cs, int mmio, unsigned long adr) } /* Allocate memory for MTD device structure and private data */ - new_mtd = kzalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL); - if (!new_mtd) { + this = kzalloc(sizeof(struct nand_chip), GFP_KERNEL); + if (!this) { err = -ENOMEM; goto out; } - /* Get pointer to private data */ - this = (struct nand_chip *)(&new_mtd[1]); + new_mtd = nand_to_mtd(this); /* Link the private data with the MTD structure */ new_mtd->priv = this; @@ -337,12 +336,12 @@ static void __exit cs553x_cleanup(void) if (!mtd) continue; - this = cs553x_mtd[i]->priv; + this = mtd_to_nand(mtd); mmio_base = this->IO_ADDR_R; /* Release resources, unregister device */ - nand_release(cs553x_mtd[i]); - kfree(cs553x_mtd[i]->name); + nand_release(mtd); + kfree(mtd->name); cs553x_mtd[i] = NULL; /* unmap physical address */ diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c index b5978d5..0cf04bb 100644 --- a/drivers/mtd/nand/davinci_nand.c +++ b/drivers/mtd/nand/davinci_nand.c @@ -53,7 +53,6 @@ * outputs in a "wire-AND" configuration, with no per-chip signals. */ struct davinci_nand_info { - struct mtd_info mtd; struct nand_chip chip; struct nand_ecclayout ecclayout; @@ -80,7 +79,7 @@ struct davinci_nand_info { static DEFINE_SPINLOCK(davinci_nand_lock); static bool ecc4_busy; -#define to_davinci_nand(m) container_of(m, struct davinci_nand_info, mtd) +#define to_davinci_nand(m) container_of(mtd_to_nand(m), struct davinci_nand_info, chip) static inline unsigned int davinci_nand_readl(struct davinci_nand_info *info, @@ -682,8 +681,8 @@ static int nand_davinci_probe(struct platform_device *pdev) info->base = base; info->vaddr = vaddr; - info->mtd.priv = &info->chip; - info->mtd.dev.parent = &pdev->dev; + nand_to_mtd(&info->chip)->priv = &info->chip; + nand_to_mtd(&info->chip)->dev.parent = &pdev->dev; nand_set_flash_node(&info->chip, pdev->dev.of_node); info->chip.IO_ADDR_R = vaddr; @@ -785,7 +784,8 @@ static int nand_davinci_probe(struct platform_device *pdev) spin_unlock_irq(&davinci_nand_lock); /* Scan to find existence of the device(s) */ - ret = nand_scan_ident(&info->mtd, pdata->mask_chipsel ? 2 : 1, NULL); + ret = nand_scan_ident(nand_to_mtd(&info->chip), + pdata->mask_chipsel ? 2 : 1, NULL); if (ret < 0) { dev_dbg(&pdev->dev, "no NAND chip(s) found\n"); goto err; @@ -797,9 +797,9 @@ static int nand_davinci_probe(struct platform_device *pdev) * usable: 10 bytes are needed, not 6. */ if (pdata->ecc_bits == 4) { - int chunks = info->mtd.writesize / 512; + int chunks = nand_to_mtd(&info->chip)->writesize / 512; - if (!chunks || info->mtd.oobsize < 16) { + if (!chunks || nand_to_mtd(&info->chip)->oobsize < 16) { dev_dbg(&pdev->dev, "too small\n"); ret = -EINVAL; goto err; @@ -812,7 +812,7 @@ static int nand_davinci_probe(struct platform_device *pdev) if (chunks == 1) { info->ecclayout = hwecc4_small; info->ecclayout.oobfree[1].length = - info->mtd.oobsize - 16; + nand_to_mtd(&info->chip)->oobsize - 16; goto syndrome_done; } if (chunks == 4) { @@ -833,15 +833,16 @@ syndrome_done: info->chip.ecc.layout = &info->ecclayout; } - ret = nand_scan_tail(&info->mtd); + ret = nand_scan_tail(nand_to_mtd(&info->chip)); if (ret < 0) goto err; if (pdata->parts) - ret = mtd_device_parse_register(&info->mtd, NULL, NULL, + ret = mtd_device_parse_register(nand_to_mtd(&info->chip), + NULL, NULL, pdata->parts, pdata->nr_parts); else - ret = mtd_device_register(&info->mtd, NULL, 0); + ret = mtd_device_register(nand_to_mtd(&info->chip), NULL, 0); if (ret < 0) goto err; @@ -871,7 +872,7 @@ static int nand_davinci_remove(struct platform_device *pdev) ecc4_busy = false; spin_unlock_irq(&davinci_nand_lock); - nand_release(&info->mtd); + nand_release(nand_to_mtd(&info->chip)); clk_disable_unprepare(info->clk); diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c index 67eb2be..dbe9aac 100644 --- a/drivers/mtd/nand/denali.c +++ b/drivers/mtd/nand/denali.c @@ -75,7 +75,7 @@ MODULE_PARM_DESC(onfi_timing_mode, * this macro allows us to convert from an MTD structure to our own * device context (denali) structure. */ -#define mtd_to_denali(m) container_of(m, struct denali_nand_info, mtd) +#define mtd_to_denali(m) container_of(mtd_to_nand(m), struct denali_nand_info, nand) /* * These constants are defined by the driver to enable common driver @@ -995,7 +995,7 @@ static bool handle_ecc(struct denali_nand_info *denali, uint8_t *buf, err_device; /* correct the ECC error */ buf[offset] ^= err_correction_value; - denali->mtd.ecc_stats.corrected++; + nand_to_mtd(&denali->nand)->ecc_stats.corrected++; bitflips++; } } else { @@ -1062,7 +1062,7 @@ static int write_page(struct mtd_info *mtd, struct nand_chip *chip, { struct denali_nand_info *denali = mtd_to_denali(mtd); dma_addr_t addr = denali->buf.dma_buf; - size_t size = denali->mtd.writesize + denali->mtd.oobsize; + size_t size = nand_to_mtd(&denali->nand)->writesize + nand_to_mtd(&denali->nand)->oobsize; uint32_t irq_status; uint32_t irq_mask = INTR_STATUS__DMA_CMD_COMP | INTR_STATUS__PROGRAM_FAIL; @@ -1160,7 +1160,7 @@ static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip, struct denali_nand_info *denali = mtd_to_denali(mtd); dma_addr_t addr = denali->buf.dma_buf; - size_t size = denali->mtd.writesize + denali->mtd.oobsize; + size_t size = nand_to_mtd(&denali->nand)->writesize + nand_to_mtd(&denali->nand)->oobsize; uint32_t irq_status; uint32_t irq_mask = INTR_STATUS__ECC_TRANSACTION_DONE | @@ -1193,14 +1193,15 @@ static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip, denali_enable_dma(denali, false); if (check_erased_page) { - read_oob_data(&denali->mtd, chip->oob_poi, denali->page); + read_oob_data(nand_to_mtd(&denali->nand), chip->oob_poi, + denali->page); /* check ECC failures that may have occurred on erased pages */ if (check_erased_page) { - if (!is_erased(buf, denali->mtd.writesize)) - denali->mtd.ecc_stats.failed++; - if (!is_erased(buf, denali->mtd.oobsize)) - denali->mtd.ecc_stats.failed++; + if (!is_erased(buf, nand_to_mtd(&denali->nand)->writesize)) + nand_to_mtd(&denali->nand)->ecc_stats.failed++; + if (!is_erased(buf, nand_to_mtd(&denali->nand)->oobsize)) + nand_to_mtd(&denali->nand)->ecc_stats.failed++; } } return max_bitflips; @@ -1211,7 +1212,7 @@ static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip, { struct denali_nand_info *denali = mtd_to_denali(mtd); dma_addr_t addr = denali->buf.dma_buf; - size_t size = denali->mtd.writesize + denali->mtd.oobsize; + size_t size = nand_to_mtd(&denali->nand)->writesize + nand_to_mtd(&denali->nand)->oobsize; uint32_t irq_mask = INTR_STATUS__DMA_CMD_COMP; if (page != denali->page) { @@ -1447,7 +1448,7 @@ int denali_init(struct denali_nand_info *denali) if (!denali->buf.buf) return -ENOMEM; - denali->mtd.dev.parent = denali->dev; + nand_to_mtd(&denali->nand)->dev.parent = denali->dev; denali_hw_init(denali); denali_drv_init(denali); @@ -1463,8 +1464,8 @@ int denali_init(struct denali_nand_info *denali) /* now that our ISR is registered, we can enable interrupts */ denali_set_intr_modes(denali, true); - denali->mtd.name = "denali-nand"; - denali->mtd.priv = &denali->nand; + nand_to_mtd(&denali->nand)->name = "denali-nand"; + nand_to_mtd(&denali->nand)->priv = &denali->nand; /* register the driver with the NAND core subsystem */ denali->nand.select_chip = denali_select_chip; @@ -1477,7 +1478,7 @@ int denali_init(struct denali_nand_info *denali) * this is the first stage in a two step process to register * with the nand subsystem */ - if (nand_scan_ident(&denali->mtd, denali->max_banks, NULL)) { + if (nand_scan_ident(nand_to_mtd(&denali->nand), denali->max_banks, NULL)) { ret = -ENXIO; goto failed_req_irq; } @@ -1485,7 +1486,7 @@ int denali_init(struct denali_nand_info *denali) /* allocate the right size buffer now */ devm_kfree(denali->dev, denali->buf.buf); denali->buf.buf = devm_kzalloc(denali->dev, - denali->mtd.writesize + denali->mtd.oobsize, + nand_to_mtd(&denali->nand)->writesize + nand_to_mtd(&denali->nand)->oobsize, GFP_KERNEL); if (!denali->buf.buf) { ret = -ENOMEM; @@ -1500,7 +1501,7 @@ int denali_init(struct denali_nand_info *denali) } denali->buf.dma_buf = dma_map_single(denali->dev, denali->buf.buf, - denali->mtd.writesize + denali->mtd.oobsize, + nand_to_mtd(&denali->nand)->writesize + nand_to_mtd(&denali->nand)->oobsize, DMA_BIDIRECTIONAL); if (dma_mapping_error(denali->dev, denali->buf.dma_buf)) { dev_err(denali->dev, "Spectra: failed to map DMA buffer\n"); @@ -1521,10 +1522,10 @@ int denali_init(struct denali_nand_info *denali) denali->nand.bbt_erase_shift += (denali->devnum - 1); denali->nand.phys_erase_shift = denali->nand.bbt_erase_shift; denali->nand.chip_shift += (denali->devnum - 1); - denali->mtd.writesize <<= (denali->devnum - 1); - denali->mtd.oobsize <<= (denali->devnum - 1); - denali->mtd.erasesize <<= (denali->devnum - 1); - denali->mtd.size = denali->nand.numchips * denali->nand.chipsize; + nand_to_mtd(&denali->nand)->writesize <<= (denali->devnum - 1); + nand_to_mtd(&denali->nand)->oobsize <<= (denali->devnum - 1); + nand_to_mtd(&denali->nand)->erasesize <<= (denali->devnum - 1); + nand_to_mtd(&denali->nand)->size = denali->nand.numchips * denali->nand.chipsize; denali->bbtskipbytes *= denali->devnum; /* @@ -1551,16 +1552,16 @@ int denali_init(struct denali_nand_info *denali) * SLC if possible. * */ if (!nand_is_slc(&denali->nand) && - (denali->mtd.oobsize > (denali->bbtskipbytes + - ECC_15BITS * (denali->mtd.writesize / + (nand_to_mtd(&denali->nand)->oobsize > (denali->bbtskipbytes + + ECC_15BITS * (nand_to_mtd(&denali->nand)->writesize / ECC_SECTOR_SIZE)))) { /* if MLC OOB size is large enough, use 15bit ECC*/ denali->nand.ecc.strength = 15; denali->nand.ecc.layout = &nand_15bit_oob; denali->nand.ecc.bytes = ECC_15BITS; iowrite32(15, denali->flash_reg + ECC_CORRECTION); - } else if (denali->mtd.oobsize < (denali->bbtskipbytes + - ECC_8BITS * (denali->mtd.writesize / + } else if (nand_to_mtd(&denali->nand)->oobsize < (denali->bbtskipbytes + + ECC_8BITS * (nand_to_mtd(&denali->nand)->writesize / ECC_SECTOR_SIZE))) { pr_err("Your NAND chip OOB is not large enough to contain 8bit ECC correction codes"); goto failed_req_irq; @@ -1574,11 +1575,11 @@ int denali_init(struct denali_nand_info *denali) denali->nand.ecc.bytes *= denali->devnum; denali->nand.ecc.strength *= denali->devnum; denali->nand.ecc.layout->eccbytes *= - denali->mtd.writesize / ECC_SECTOR_SIZE; + nand_to_mtd(&denali->nand)->writesize / ECC_SECTOR_SIZE; denali->nand.ecc.layout->oobfree[0].offset = denali->bbtskipbytes + denali->nand.ecc.layout->eccbytes; denali->nand.ecc.layout->oobfree[0].length = - denali->mtd.oobsize - denali->nand.ecc.layout->eccbytes - + nand_to_mtd(&denali->nand)->oobsize - denali->nand.ecc.layout->eccbytes - denali->bbtskipbytes; /* @@ -1586,7 +1587,7 @@ int denali_init(struct denali_nand_info *denali) * contained by each nand chip. blksperchip will help driver to * know how many blocks is taken by FW. */ - denali->totalblks = denali->mtd.size >> denali->nand.phys_erase_shift; + denali->totalblks = nand_to_mtd(&denali->nand)->size >> denali->nand.phys_erase_shift; denali->blksperchip = denali->totalblks / denali->nand.numchips; /* override the default read operations */ @@ -1599,12 +1600,12 @@ int denali_init(struct denali_nand_info *denali) denali->nand.ecc.write_oob = denali_write_oob; denali->nand.erase = denali_erase; - if (nand_scan_tail(&denali->mtd)) { + if (nand_scan_tail(nand_to_mtd(&denali->nand))) { ret = -ENXIO; goto failed_req_irq; } - ret = mtd_device_register(&denali->mtd, NULL, 0); + ret = mtd_device_register(nand_to_mtd(&denali->nand), NULL, 0); if (ret) { dev_err(denali->dev, "Spectra: Failed to register MTD: %d\n", ret); @@ -1624,7 +1625,7 @@ void denali_remove(struct denali_nand_info *denali) { denali_irq_cleanup(denali->irq, denali); dma_unmap_single(denali->dev, denali->buf.dma_buf, - denali->mtd.writesize + denali->mtd.oobsize, + nand_to_mtd(&denali->nand)->writesize + nand_to_mtd(&denali->nand)->oobsize, DMA_BIDIRECTIONAL); } EXPORT_SYMBOL(denali_remove); diff --git a/drivers/mtd/nand/denali.h b/drivers/mtd/nand/denali.h index 4b12cd3..e7ab486 100644 --- a/drivers/mtd/nand/denali.h +++ b/drivers/mtd/nand/denali.h @@ -450,7 +450,6 @@ struct nand_buf { #define DT 3 struct denali_nand_info { - struct mtd_info mtd; struct nand_chip nand; int flash_bank; /* currently selected chip */ int status; diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c index 5f7bcc8..96f1c81 100644 --- a/drivers/mtd/nand/diskonchip.c +++ b/drivers/mtd/nand/diskonchip.c @@ -1556,15 +1556,14 @@ static int __init doc_probe(unsigned long physadr) printk(KERN_NOTICE "DiskOnChip found at 0x%lx\n", physadr); - len = sizeof(struct mtd_info) + - sizeof(struct nand_chip) + sizeof(struct doc_priv) + (2 * sizeof(struct nand_bbt_descr)); - mtd = kzalloc(len, GFP_KERNEL); - if (!mtd) { + len = sizeof(struct nand_chip) + sizeof(struct doc_priv) + (2 * sizeof(struct nand_bbt_descr)); + nand = kzalloc(len, GFP_KERNEL); + if (!nand) { ret = -ENOMEM; goto fail; } - nand = (struct nand_chip *) (mtd + 1); + mtd = nand_to_mtd(nand); doc = (struct doc_priv *) (nand + 1); nand->bbt_td = (struct nand_bbt_descr *) (doc + 1); nand->bbt_md = nand->bbt_td + 1; @@ -1650,7 +1649,7 @@ static void release_nanddoc(void) nand_release(mtd); iounmap(doc->virtadr); release_mem_region(doc->physadr, DOC_IOREMAP_LEN); - kfree(mtd); + kfree(nand); } } diff --git a/drivers/mtd/nand/docg4.c b/drivers/mtd/nand/docg4.c index da93d7f..a136ef0 100644 --- a/drivers/mtd/nand/docg4.c +++ b/drivers/mtd/nand/docg4.c @@ -1285,7 +1285,7 @@ static char const *part_probes[] = { "cmdlinepart", "saftlpart", NULL }; static int __init probe_docg4(struct platform_device *pdev) { - struct mtd_info *mtd; + struct mtd_info *mtd = NULL; struct nand_chip *nand; void __iomem *virtadr; struct docg4_priv *doc; @@ -1305,14 +1305,13 @@ static int __init probe_docg4(struct platform_device *pdev) return -EIO; } - len = sizeof(struct mtd_info) + sizeof(struct nand_chip) + - sizeof(struct docg4_priv); - mtd = kzalloc(len, GFP_KERNEL); - if (mtd == NULL) { + len = sizeof(struct nand_chip) + sizeof(struct docg4_priv); + nand = kzalloc(len, GFP_KERNEL); + if (nand == NULL) { retval = -ENOMEM; goto fail; } - nand = (struct nand_chip *) (mtd + 1); + mtd = nand_to_mtd(nand); doc = (struct docg4_priv *) (nand + 1); mtd->priv = nand; nand->priv = doc; @@ -1355,13 +1354,12 @@ static int __init probe_docg4(struct platform_device *pdev) fail: iounmap(virtadr); - if (mtd) { + if (nand) { /* re-declarations avoid compiler warning */ - struct nand_chip *nand = mtd_to_nand(mtd); struct docg4_priv *doc = nand->priv; nand_release(mtd); /* deletes partitions and mtd devices */ free_bch(doc->bch); - kfree(mtd); + kfree(nand); } return retval; @@ -1372,7 +1370,7 @@ static int __exit cleanup_docg4(struct platform_device *pdev) struct docg4_priv *doc = platform_get_drvdata(pdev); nand_release(doc->mtd); free_bch(doc->bch); - kfree(doc->mtd); + kfree(mtd_to_nand(doc->mtd)); iounmap(doc->virtadr); return 0; } diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c index ad6d5da..5d2e302 100644 --- a/drivers/mtd/nand/fsl_elbc_nand.c +++ b/drivers/mtd/nand/fsl_elbc_nand.c @@ -48,7 +48,6 @@ /* mtd information per set */ struct fsl_elbc_mtd { - struct mtd_info mtd; struct nand_chip chip; struct fsl_lbc_ctrl *ctrl; @@ -746,8 +745,8 @@ static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv) dev_dbg(priv->dev, "eLBC Set Information for bank %d\n", priv->bank); /* Fill in fsl_elbc_mtd structure */ - priv->mtd.priv = chip; - priv->mtd.dev.parent = priv->dev; + nand_to_mtd(&priv->chip)->priv = chip; + nand_to_mtd(&priv->chip)->dev.parent = priv->dev; nand_set_flash_node(chip, priv->dev->of_node); /* set timeout to maximum */ @@ -798,9 +797,9 @@ static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv) static int fsl_elbc_chip_remove(struct fsl_elbc_mtd *priv) { struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = priv->ctrl->nand; - nand_release(&priv->mtd); + nand_release(nand_to_mtd(&priv->chip)); - kfree(priv->mtd.name); + kfree(nand_to_mtd(&priv->chip)->name); if (priv->vbase) iounmap(priv->vbase); @@ -886,8 +885,8 @@ static int fsl_elbc_nand_probe(struct platform_device *pdev) goto err; } - priv->mtd.name = kasprintf(GFP_KERNEL, "%llx.flash", (u64)res.start); - if (!priv->mtd.name) { + nand_to_mtd(&priv->chip)->name = kasprintf(GFP_KERNEL, "%llx.flash", (u64)res.start); + if (!nand_to_mtd(&priv->chip)->name) { ret = -ENOMEM; goto err; } @@ -896,21 +895,22 @@ static int fsl_elbc_nand_probe(struct platform_device *pdev) if (ret) goto err; - ret = nand_scan_ident(&priv->mtd, 1, NULL); + ret = nand_scan_ident(nand_to_mtd(&priv->chip), 1, NULL); if (ret) goto err; - ret = fsl_elbc_chip_init_tail(&priv->mtd); + ret = fsl_elbc_chip_init_tail(nand_to_mtd(&priv->chip)); if (ret) goto err; - ret = nand_scan_tail(&priv->mtd); + ret = nand_scan_tail(nand_to_mtd(&priv->chip)); if (ret) goto err; /* First look for RedBoot table or partitions on the command * line, these take precedence over device tree information */ - mtd_device_parse_register(&priv->mtd, part_probe_types, NULL, + mtd_device_parse_register(nand_to_mtd(&priv->chip), + part_probe_types, NULL, NULL, 0); printk(KERN_INFO "eLBC NAND device at 0x%llx, bank %d\n", diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c index 3136842..f37b180 100644 --- a/drivers/mtd/nand/fsl_ifc_nand.c +++ b/drivers/mtd/nand/fsl_ifc_nand.c @@ -40,7 +40,6 @@ struct fsl_ifc_ctrl; /* mtd information per set */ struct fsl_ifc_mtd { - struct mtd_info mtd; struct nand_chip chip; struct fsl_ifc_ctrl *ctrl; @@ -881,8 +880,8 @@ static int fsl_ifc_chip_init(struct fsl_ifc_mtd *priv) u32 csor; /* Fill in fsl_ifc_mtd structure */ - priv->mtd.priv = chip; - priv->mtd.dev.parent = priv->dev; + nand_to_mtd(&priv->chip)->priv = chip; + nand_to_mtd(&priv->chip)->dev.parent = priv->dev; nand_set_flash_node(chip, priv->dev->of_node); /* fill in nand_chip structure */ @@ -994,9 +993,9 @@ static int fsl_ifc_chip_init(struct fsl_ifc_mtd *priv) static int fsl_ifc_chip_remove(struct fsl_ifc_mtd *priv) { - nand_release(&priv->mtd); + nand_release(nand_to_mtd(&priv->chip)); - kfree(priv->mtd.name); + kfree(nand_to_mtd(&priv->chip)->name); if (priv->vbase) iounmap(priv->vbase); @@ -1103,8 +1102,8 @@ static int fsl_ifc_nand_probe(struct platform_device *dev) IFC_NAND_EVTER_INTR_FTOERIR_EN | IFC_NAND_EVTER_INTR_WPERIR_EN, &ifc->ifc_nand.nand_evter_intr_en); - priv->mtd.name = kasprintf(GFP_KERNEL, "%llx.flash", (u64)res.start); - if (!priv->mtd.name) { + nand_to_mtd(&priv->chip)->name = kasprintf(GFP_KERNEL, "%llx.flash", (u64)res.start); + if (!nand_to_mtd(&priv->chip)->name) { ret = -ENOMEM; goto err; } @@ -1113,22 +1112,22 @@ static int fsl_ifc_nand_probe(struct platform_device *dev) if (ret) goto err; - ret = nand_scan_ident(&priv->mtd, 1, NULL); + ret = nand_scan_ident(nand_to_mtd(&priv->chip), 1, NULL); if (ret) goto err; - ret = fsl_ifc_chip_init_tail(&priv->mtd); + ret = fsl_ifc_chip_init_tail(nand_to_mtd(&priv->chip)); if (ret) goto err; - ret = nand_scan_tail(&priv->mtd); + ret = nand_scan_tail(nand_to_mtd(&priv->chip)); if (ret) goto err; /* First look for RedBoot table or partitions on the command * line, these take precedence over device tree information */ - mtd_device_parse_register(&priv->mtd, part_probe_types, NULL, - NULL, 0); + mtd_device_parse_register(nand_to_mtd(&priv->chip), + part_probe_types, NULL, NULL, 0); dev_info(priv->dev, "IFC NAND device at 0x%llx, bank %d\n", (unsigned long long)res.start, priv->bank); diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c index 68ec128..65919b8 100644 --- a/drivers/mtd/nand/fsl_upm.c +++ b/drivers/mtd/nand/fsl_upm.c @@ -31,7 +31,6 @@ struct fsl_upm_nand { struct device *dev; - struct mtd_info mtd; struct nand_chip chip; int last_ctrl; struct mtd_partition *parts; @@ -49,7 +48,8 @@ struct fsl_upm_nand { static inline struct fsl_upm_nand *to_fsl_upm_nand(struct mtd_info *mtdinfo) { - return container_of(mtdinfo, struct fsl_upm_nand, mtd); + return container_of(mtd_to_nand(mtdinfo), struct fsl_upm_nand, + chip); } static int fun_chip_ready(struct mtd_info *mtd) @@ -68,7 +68,7 @@ static void fun_wait_rnb(struct fsl_upm_nand *fun) if (fun->rnb_gpio[fun->mchip_number] >= 0) { int cnt = 1000000; - while (--cnt && !fun_chip_ready(&fun->mtd)) + while (--cnt && !fun_chip_ready(nand_to_mtd(&fun->chip))) cpu_relax(); if (!cnt) dev_err(fun->dev, "tired waiting for RNB\n"); @@ -174,30 +174,30 @@ static int fun_chip_init(struct fsl_upm_nand *fun, if (fun->rnb_gpio[0] >= 0) fun->chip.dev_ready = fun_chip_ready; - fun->mtd.priv = &fun->chip; - fun->mtd.dev.parent = fun->dev; + nand_to_mtd(&fun->chip)->priv = &fun->chip; + nand_to_mtd(&fun->chip)->dev.parent = fun->dev; flash_np = of_get_next_child(upm_np, NULL); if (!flash_np) return -ENODEV; nand_set_flash_node(&fun->chip, flash_np); - fun->mtd.name = kasprintf(GFP_KERNEL, "0x%llx.%s", (u64)io_res->start, - flash_np->name); - if (!fun->mtd.name) { + nand_to_mtd(&fun->chip)->name = kasprintf(GFP_KERNEL, "0x%llx.%s", (u64)io_res->start, + flash_np->name); + if (!nand_to_mtd(&fun->chip)->name) { ret = -ENOMEM; goto err; } - ret = nand_scan(&fun->mtd, fun->mchip_count); + ret = nand_scan(nand_to_mtd(&fun->chip), fun->mchip_count); if (ret) goto err; - ret = mtd_device_register(&fun->mtd, NULL, 0); + ret = mtd_device_register(nand_to_mtd(&fun->chip), NULL, 0); err: of_node_put(flash_np); if (ret) - kfree(fun->mtd.name); + kfree(nand_to_mtd(&fun->chip)->name); return ret; } @@ -323,8 +323,8 @@ static int fun_remove(struct platform_device *ofdev) struct fsl_upm_nand *fun = dev_get_drvdata(&ofdev->dev); int i; - nand_release(&fun->mtd); - kfree(fun->mtd.name); + nand_release(nand_to_mtd(&fun->chip)); + kfree(nand_to_mtd(&fun->chip)->name); for (i = 0; i < fun->mchip_count; i++) { if (fun->rnb_gpio[i] < 0) diff --git a/drivers/mtd/nand/fsmc_nand.c b/drivers/mtd/nand/fsmc_nand.c index 1c6c399..a3080b9 100644 --- a/drivers/mtd/nand/fsmc_nand.c +++ b/drivers/mtd/nand/fsmc_nand.c @@ -299,7 +299,6 @@ static struct fsmc_eccplace fsmc_ecc4_sp_place = { */ struct fsmc_nand_data { u32 pid; - struct mtd_info mtd; struct nand_chip nand; struct mtd_partition *partitions; unsigned int nr_partitions; @@ -332,7 +331,8 @@ static void fsmc_select_chip(struct mtd_info *mtd, int chipnr) struct nand_chip *chip = mtd_to_nand(mtd); struct fsmc_nand_data *host; - host = container_of(mtd, struct fsmc_nand_data, mtd); + host = container_of(mtd_to_nand(mtd), struct fsmc_nand_data, + nand); switch (chipnr) { case -1: @@ -359,8 +359,9 @@ static void fsmc_select_chip(struct mtd_info *mtd, int chipnr) static void fsmc_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) { struct nand_chip *this = mtd_to_nand(mtd); - struct fsmc_nand_data *host = container_of(mtd, - struct fsmc_nand_data, mtd); + struct fsmc_nand_data *host = container_of(mtd_to_nand(mtd), + struct fsmc_nand_data, + nand); void __iomem *regs = host->regs_va; unsigned int bank = host->bank; @@ -445,8 +446,9 @@ static void fsmc_nand_setup(void __iomem *regs, uint32_t bank, */ static void fsmc_enable_hwecc(struct mtd_info *mtd, int mode) { - struct fsmc_nand_data *host = container_of(mtd, - struct fsmc_nand_data, mtd); + struct fsmc_nand_data *host = container_of(mtd_to_nand(mtd), + struct fsmc_nand_data, + nand); void __iomem *regs = host->regs_va; uint32_t bank = host->bank; @@ -466,8 +468,9 @@ static void fsmc_enable_hwecc(struct mtd_info *mtd, int mode) static int fsmc_read_hwecc_ecc4(struct mtd_info *mtd, const uint8_t *data, uint8_t *ecc) { - struct fsmc_nand_data *host = container_of(mtd, - struct fsmc_nand_data, mtd); + struct fsmc_nand_data *host = container_of(mtd_to_nand(mtd), + struct fsmc_nand_data, + nand); void __iomem *regs = host->regs_va; uint32_t bank = host->bank; uint32_t ecc_tmp; @@ -517,8 +520,9 @@ static int fsmc_read_hwecc_ecc4(struct mtd_info *mtd, const uint8_t *data, static int fsmc_read_hwecc_ecc1(struct mtd_info *mtd, const uint8_t *data, uint8_t *ecc) { - struct fsmc_nand_data *host = container_of(mtd, - struct fsmc_nand_data, mtd); + struct fsmc_nand_data *host = container_of(mtd_to_nand(mtd), + struct fsmc_nand_data, + nand); void __iomem *regs = host->regs_va; uint32_t bank = host->bank; uint32_t ecc_tmp; @@ -676,7 +680,8 @@ static void fsmc_read_buf_dma(struct mtd_info *mtd, uint8_t *buf, int len) { struct fsmc_nand_data *host; - host = container_of(mtd, struct fsmc_nand_data, mtd); + host = container_of(mtd_to_nand(mtd), struct fsmc_nand_data, + nand); dma_xfer(host, buf, len, DMA_FROM_DEVICE); } @@ -691,7 +696,8 @@ static void fsmc_write_buf_dma(struct mtd_info *mtd, const uint8_t *buf, { struct fsmc_nand_data *host; - host = container_of(mtd, struct fsmc_nand_data, mtd); + host = container_of(mtd_to_nand(mtd), struct fsmc_nand_data, + nand); dma_xfer(host, (void *)buf, len, DMA_TO_DEVICE); } @@ -712,8 +718,9 @@ static void fsmc_write_buf_dma(struct mtd_info *mtd, const uint8_t *buf, static int fsmc_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip, uint8_t *buf, int oob_required, int page) { - struct fsmc_nand_data *host = container_of(mtd, - struct fsmc_nand_data, mtd); + struct fsmc_nand_data *host = container_of(mtd_to_nand(mtd), + struct fsmc_nand_data, + nand); struct fsmc_eccplace *ecc_place = host->ecc_place; int i, j, s, stat, eccsize = chip->ecc.size; int eccbytes = chip->ecc.bytes; @@ -782,8 +789,9 @@ static int fsmc_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip, static int fsmc_bch8_correct_data(struct mtd_info *mtd, uint8_t *dat, uint8_t *read_ecc, uint8_t *calc_ecc) { - struct fsmc_nand_data *host = container_of(mtd, - struct fsmc_nand_data, mtd); + struct fsmc_nand_data *host = container_of(mtd_to_nand(mtd), + struct fsmc_nand_data, + nand); struct nand_chip *chip = mtd_to_nand(mtd); void __iomem *regs = host->regs_va; unsigned int bank = host->bank; @@ -1011,13 +1019,13 @@ static int __init fsmc_nand_probe(struct platform_device *pdev) init_completion(&host->dma_access_complete); /* Link all private pointers */ - mtd = &host->mtd; + mtd = nand_to_mtd(&host->nand); nand = &host->nand; mtd->priv = nand; nand->priv = host; nand_set_flash_node(nand, np); - host->mtd.dev.parent = &pdev->dev; + nand_to_mtd(&host->nand)->dev.parent = &pdev->dev; nand->IO_ADDR_R = host->data_va; nand->IO_ADDR_W = host->data_va; nand->cmd_ctrl = fsmc_cmd_ctrl; @@ -1080,14 +1088,14 @@ static int __init fsmc_nand_probe(struct platform_device *pdev) /* * Scan to find existence of the device */ - if (nand_scan_ident(&host->mtd, 1, NULL)) { + if (nand_scan_ident(nand_to_mtd(&host->nand), 1, NULL)) { ret = -ENXIO; dev_err(&pdev->dev, "No NAND Device found!\n"); goto err_scan_ident; } if (AMBA_REV_BITS(host->pid) >= 8) { - switch (host->mtd.oobsize) { + switch (nand_to_mtd(&host->nand)->oobsize) { case 16: nand->ecc.layout = &fsmc_ecc4_16_layout; host->ecc_place = &fsmc_ecc4_sp_place; @@ -1138,7 +1146,7 @@ static int __init fsmc_nand_probe(struct platform_device *pdev) * generated later in nand_bch_init() later. */ if (nand->ecc.mode != NAND_ECC_SOFT_BCH) { - switch (host->mtd.oobsize) { + switch (nand_to_mtd(&host->nand)->oobsize) { case 16: nand->ecc.layout = &fsmc_ecc1_16_layout; break; @@ -1159,7 +1167,7 @@ static int __init fsmc_nand_probe(struct platform_device *pdev) } /* Second stage of scan to fill MTD data-structures */ - if (nand_scan_tail(&host->mtd)) { + if (nand_scan_tail(nand_to_mtd(&host->nand))) { ret = -ENXIO; goto err_probe; } @@ -1174,8 +1182,9 @@ static int __init fsmc_nand_probe(struct platform_device *pdev) /* * Check for partition info passed */ - host->mtd.name = "nand"; - ret = mtd_device_register(&host->mtd, host->partitions, + nand_to_mtd(&host->nand)->name = "nand"; + ret = mtd_device_register(nand_to_mtd(&host->nand), + host->partitions, host->nr_partitions); if (ret) goto err_probe; @@ -1206,7 +1215,7 @@ static int fsmc_nand_remove(struct platform_device *pdev) struct fsmc_nand_data *host = platform_get_drvdata(pdev); if (host) { - nand_release(&host->mtd); + nand_release(nand_to_mtd(&host->nand)); if (host->mode == USE_DMA_ACCESS) { dma_release_channel(host->write_dma_chan); diff --git a/drivers/mtd/nand/gpio.c b/drivers/mtd/nand/gpio.c index d57a07a..fc30326 100644 --- a/drivers/mtd/nand/gpio.c +++ b/drivers/mtd/nand/gpio.c @@ -35,12 +35,11 @@ struct gpiomtd { void __iomem *io_sync; - struct mtd_info mtd_info; struct nand_chip nand_chip; struct gpio_nand_platdata plat; }; -#define gpio_nand_getpriv(x) container_of(x, struct gpiomtd, mtd_info) +#define gpio_nand_getpriv(x) container_of(mtd_to_nand(x), struct gpiomtd, nand_chip) #ifdef CONFIG_ARM @@ -195,7 +194,7 @@ static int gpio_nand_remove(struct platform_device *pdev) { struct gpiomtd *gpiomtd = platform_get_drvdata(pdev); - nand_release(&gpiomtd->mtd_info); + nand_release(nand_to_mtd(&gpiomtd->nand_chip)); if (gpio_is_valid(gpiomtd->plat.gpio_nwp)) gpio_set_value(gpiomtd->plat.gpio_nwp, 0); @@ -274,24 +273,25 @@ static int gpio_nand_probe(struct platform_device *pdev) chip->chip_delay = gpiomtd->plat.chip_delay; chip->cmd_ctrl = gpio_nand_cmd_ctrl; - gpiomtd->mtd_info.priv = chip; - gpiomtd->mtd_info.dev.parent = &pdev->dev; + nand_to_mtd(&gpiomtd->nand_chip)->priv = chip; + nand_to_mtd(&gpiomtd->nand_chip)->dev.parent = &pdev->dev; platform_set_drvdata(pdev, gpiomtd); if (gpio_is_valid(gpiomtd->plat.gpio_nwp)) gpio_direction_output(gpiomtd->plat.gpio_nwp, 1); - if (nand_scan(&gpiomtd->mtd_info, 1)) { + if (nand_scan(nand_to_mtd(&gpiomtd->nand_chip), 1)) { ret = -ENXIO; goto err_wp; } if (gpiomtd->plat.adjust_parts) gpiomtd->plat.adjust_parts(&gpiomtd->plat, - gpiomtd->mtd_info.size); + nand_to_mtd(&gpiomtd->nand_chip)->size); - ret = mtd_device_register(&gpiomtd->mtd_info, gpiomtd->plat.parts, + ret = mtd_device_register(nand_to_mtd(&gpiomtd->nand_chip), + gpiomtd->plat.parts, gpiomtd->plat.num_parts); if (!ret) return 0; diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c index 43fa16b..081228f 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c +++ b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c @@ -919,7 +919,7 @@ static int enable_edo_mode(struct gpmi_nand_data *this, int mode) { struct resources *r = &this->resources; struct nand_chip *nand = &this->nand; - struct mtd_info *mtd = &this->mtd; + struct mtd_info *mtd = nand_to_mtd(&this->nand); uint8_t *feature; unsigned long rate; int ret; diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c index 802adb0..b7229a1 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c @@ -107,7 +107,7 @@ static irqreturn_t bch_irq(int irq, void *cookie) static inline int get_ecc_strength(struct gpmi_nand_data *this) { struct bch_geometry *geo = &this->bch_geometry; - struct mtd_info *mtd = &this->mtd; + struct mtd_info *mtd = nand_to_mtd(&this->nand); int ecc_strength; ecc_strength = ((mtd->oobsize - geo->metadata_size) * 8) @@ -139,7 +139,7 @@ static inline bool gpmi_check_ecc(struct gpmi_nand_data *this) static bool set_geometry_by_ecc_info(struct gpmi_nand_data *this) { struct bch_geometry *geo = &this->bch_geometry; - struct mtd_info *mtd = &this->mtd; + struct mtd_info *mtd = nand_to_mtd(&this->nand); struct nand_chip *chip = mtd_to_nand(mtd); struct nand_oobfree *of = gpmi_hw_ecclayout.oobfree; unsigned int block_mark_bit_offset; @@ -257,7 +257,7 @@ static bool set_geometry_by_ecc_info(struct gpmi_nand_data *this) static int legacy_set_geometry(struct gpmi_nand_data *this) { struct bch_geometry *geo = &this->bch_geometry; - struct mtd_info *mtd = &this->mtd; + struct mtd_info *mtd = nand_to_mtd(&this->nand); unsigned int metadata_size; unsigned int status_size; unsigned int block_mark_bit_offset; @@ -804,7 +804,7 @@ static int gpmi_alloc_dma_buffer(struct gpmi_nand_data *this) { struct bch_geometry *geo = &this->bch_geometry; struct device *dev = this->dev; - struct mtd_info *mtd = &this->mtd; + struct mtd_info *mtd = nand_to_mtd(&this->nand); /* [1] Allocate a command buffer. PAGE_SIZE is enough. */ this->cmd_buffer = kzalloc(PAGE_SIZE, GFP_DMA | GFP_KERNEL); @@ -1600,7 +1600,7 @@ static int mx23_check_transcription_stamp(struct gpmi_nand_data *this) { struct boot_rom_geometry *rom_geo = &this->rom_geometry; struct device *dev = this->dev; - struct mtd_info *mtd = &this->mtd; + struct mtd_info *mtd = nand_to_mtd(&this->nand); struct nand_chip *chip = &this->nand; unsigned int search_area_size_in_strides; unsigned int stride; @@ -1655,7 +1655,7 @@ static int mx23_write_transcription_stamp(struct gpmi_nand_data *this) { struct device *dev = this->dev; struct boot_rom_geometry *rom_geo = &this->rom_geometry; - struct mtd_info *mtd = &this->mtd; + struct mtd_info *mtd = nand_to_mtd(&this->nand); struct nand_chip *chip = &this->nand; unsigned int block_size_in_pages; unsigned int search_area_size_in_strides; @@ -1735,7 +1735,7 @@ static int mx23_boot_init(struct gpmi_nand_data *this) { struct device *dev = this->dev; struct nand_chip *chip = &this->nand; - struct mtd_info *mtd = &this->mtd; + struct mtd_info *mtd = nand_to_mtd(&this->nand); unsigned int block_count; unsigned int block; int chipnr; @@ -1831,13 +1831,13 @@ static int gpmi_set_geometry(struct gpmi_nand_data *this) static void gpmi_nand_exit(struct gpmi_nand_data *this) { - nand_release(&this->mtd); + nand_release(nand_to_mtd(&this->nand)); gpmi_free_dma_buffer(this); } static int gpmi_init_last(struct gpmi_nand_data *this) { - struct mtd_info *mtd = &this->mtd; + struct mtd_info *mtd = nand_to_mtd(&this->nand); struct nand_chip *chip = mtd_to_nand(mtd); struct nand_ecc_ctrl *ecc = &chip->ecc; struct bch_geometry *bch_geo = &this->bch_geometry; @@ -1886,7 +1886,7 @@ static int gpmi_init_last(struct gpmi_nand_data *this) static int gpmi_nand_init(struct gpmi_nand_data *this) { - struct mtd_info *mtd = &this->mtd; + struct mtd_info *mtd = nand_to_mtd(&this->nand); struct nand_chip *chip = &this->nand; int ret; diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h index 544062f..4e49a1f 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h @@ -160,7 +160,6 @@ struct gpmi_nand_data { /* MTD / NAND */ struct nand_chip nand; - struct mtd_info mtd; /* General-use Variables */ int current_chip; diff --git a/drivers/mtd/nand/hisi504_nand.c b/drivers/mtd/nand/hisi504_nand.c index 6358d4a..21ff2b4 100644 --- a/drivers/mtd/nand/hisi504_nand.c +++ b/drivers/mtd/nand/hisi504_nand.c @@ -134,7 +134,6 @@ struct hinfc_host { struct nand_chip chip; - struct mtd_info mtd; struct device *dev; void __iomem *iobase; void __iomem *mmio; @@ -189,7 +188,7 @@ static void wait_controller_finished(struct hinfc_host *host) static void hisi_nfc_dma_transfer(struct hinfc_host *host, int todev) { - struct mtd_info *mtd = &host->mtd; + struct mtd_info *mtd = nand_to_mtd(&host->chip); struct nand_chip *chip = mtd_to_nand(mtd); unsigned long val; int ret; @@ -262,7 +261,7 @@ static int hisi_nfc_send_cmd_pageprog(struct hinfc_host *host) static int hisi_nfc_send_cmd_readstart(struct hinfc_host *host) { - struct mtd_info *mtd = &host->mtd; + struct mtd_info *mtd = nand_to_mtd(&host->chip); if ((host->addr_value[0] == host->cache_addr_value[0]) && (host->addr_value[1] == host->cache_addr_value[1])) @@ -643,7 +642,7 @@ static int hisi_nfc_ecc_probe(struct hinfc_host *host) int size, strength, ecc_bits; struct device *dev = host->dev; struct nand_chip *chip = &host->chip; - struct mtd_info *mtd = &host->mtd; + struct mtd_info *mtd = nand_to_mtd(&host->chip); struct device_node *np = host->dev->of_node; size = of_get_nand_ecc_step_size(np); @@ -712,7 +711,7 @@ static int hisi_nfc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, host); chip = &host->chip; - mtd = &host->mtd; + mtd = nand_to_mtd(&host->chip); irq = platform_get_irq(pdev, 0); if (irq < 0) { @@ -822,7 +821,7 @@ err_res: static int hisi_nfc_remove(struct platform_device *pdev) { struct hinfc_host *host = platform_get_drvdata(pdev); - struct mtd_info *mtd = &host->mtd; + struct mtd_info *mtd = nand_to_mtd(&host->chip); nand_release(mtd); diff --git a/drivers/mtd/nand/jz4740_nand.c b/drivers/mtd/nand/jz4740_nand.c index e8eb518..58dca30 100644 --- a/drivers/mtd/nand/jz4740_nand.c +++ b/drivers/mtd/nand/jz4740_nand.c @@ -58,7 +58,6 @@ #define JZ_NAND_MEM_ADDR_OFFSET 0x10000 struct jz_nand { - struct mtd_info mtd; struct nand_chip chip; void __iomem *base; struct resource *mem; @@ -75,7 +74,7 @@ struct jz_nand { static inline struct jz_nand *mtd_to_jz_nand(struct mtd_info *mtd) { - return container_of(mtd, struct jz_nand, mtd); + return container_of(mtd_to_nand(mtd), struct jz_nand, chip); } static void jz_nand_select_chip(struct mtd_info *mtd, int chipnr) @@ -333,7 +332,7 @@ static int jz_nand_detect_bank(struct platform_device *pdev, char gpio_name[9]; char res_name[6]; uint32_t ctrl; - struct mtd_info *mtd = &nand->mtd; + struct mtd_info *mtd = nand_to_mtd(&nand->chip); struct nand_chip *chip = &nand->chip; /* Request GPIO port. */ @@ -431,7 +430,7 @@ static int jz_nand_probe(struct platform_device *pdev) goto err_iounmap_mmio; } - mtd = &nand->mtd; + mtd = nand_to_mtd(&nand->chip); chip = &nand->chip; mtd->priv = chip; mtd->dev.parent = &pdev->dev; @@ -542,7 +541,7 @@ static int jz_nand_remove(struct platform_device *pdev) struct jz_nand *nand = platform_get_drvdata(pdev); size_t i; - nand_release(&nand->mtd); + nand_release(nand_to_mtd(&nand->chip)); /* Deassert and disable all chips */ writel(0, nand->base + JZ_REG_NAND_CTRL); diff --git a/drivers/mtd/nand/lpc32xx_mlc.c b/drivers/mtd/nand/lpc32xx_mlc.c index 3738856..600d467 100644 --- a/drivers/mtd/nand/lpc32xx_mlc.c +++ b/drivers/mtd/nand/lpc32xx_mlc.c @@ -173,7 +173,6 @@ struct lpc32xx_nand_host { struct nand_chip nand_chip; struct lpc32xx_mlc_platform_data *pdata; struct clk *clk; - struct mtd_info mtd; void __iomem *io_base; int irq; struct lpc32xx_nand_cfg_mlc *ncfg; @@ -566,7 +565,7 @@ static void lpc32xx_ecc_enable(struct mtd_info *mtd, int mode) static int lpc32xx_dma_setup(struct lpc32xx_nand_host *host) { - struct mtd_info *mtd = &host->mtd; + struct mtd_info *mtd = nand_to_mtd(&host->nand_chip); dma_cap_mask_t mask; if (!host->pdata || !host->pdata->dma_filter) { @@ -660,7 +659,7 @@ static int lpc32xx_nand_probe(struct platform_device *pdev) host->io_base_phy = rc->start; - mtd = &host->mtd; + mtd = nand_to_mtd(&host->nand_chip); nand_chip = &host->nand_chip; if (pdev->dev.of_node) host->ncfg = lpc32xx_parse_dt(&pdev->dev); @@ -814,7 +813,7 @@ err_exit1: static int lpc32xx_nand_remove(struct platform_device *pdev) { struct lpc32xx_nand_host *host = platform_get_drvdata(pdev); - struct mtd_info *mtd = &host->mtd; + struct mtd_info *mtd = nand_to_mtd(&host->nand_chip); nand_release(mtd); free_irq(host->irq, host); diff --git a/drivers/mtd/nand/lpc32xx_slc.c b/drivers/mtd/nand/lpc32xx_slc.c index fcd9fac..de0f909 100644 --- a/drivers/mtd/nand/lpc32xx_slc.c +++ b/drivers/mtd/nand/lpc32xx_slc.c @@ -204,7 +204,6 @@ struct lpc32xx_nand_host { struct nand_chip nand_chip; struct lpc32xx_slc_platform_data *pdata; struct clk *clk; - struct mtd_info mtd; void __iomem *io_base; struct lpc32xx_nand_cfg_slc *ncfg; @@ -703,7 +702,7 @@ static int lpc32xx_nand_write_page_raw_syndrome(struct mtd_info *mtd, static int lpc32xx_nand_dma_setup(struct lpc32xx_nand_host *host) { - struct mtd_info *mtd = &host->mtd; + struct mtd_info *mtd = nand_to_mtd(&host->nand_chip); dma_cap_mask_t mask; if (!host->pdata || !host->pdata->dma_filter) { @@ -799,7 +798,7 @@ static int lpc32xx_nand_probe(struct platform_device *pdev) host->pdata = dev_get_platdata(&pdev->dev); - mtd = &host->mtd; + mtd = nand_to_mtd(&host->nand_chip); chip = &host->nand_chip; chip->priv = host; nand_set_flash_node(chip, pdev->dev.of_node); @@ -932,7 +931,7 @@ static int lpc32xx_nand_remove(struct platform_device *pdev) { uint32_t tmp; struct lpc32xx_nand_host *host = platform_get_drvdata(pdev); - struct mtd_info *mtd = &host->mtd; + struct mtd_info *mtd = nand_to_mtd(&host->nand_chip); nand_release(mtd); dma_release_channel(host->dma_chan); diff --git a/drivers/mtd/nand/mpc5121_nfc.c b/drivers/mtd/nand/mpc5121_nfc.c index 642c486..950443b 100644 --- a/drivers/mtd/nand/mpc5121_nfc.c +++ b/drivers/mtd/nand/mpc5121_nfc.c @@ -118,7 +118,6 @@ #define NFC_TIMEOUT (HZ / 10) /* 1/10 s */ struct mpc5121_nfc_prv { - struct mtd_info mtd; struct nand_chip chip; int irq; void __iomem *regs; @@ -654,7 +653,7 @@ static int mpc5121_nfc_probe(struct platform_device *op) if (!prv) return -ENOMEM; - mtd = &prv->mtd; + mtd = nand_to_mtd(&prv->chip); chip = &prv->chip; mtd->priv = chip; diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index 034e066..520152d 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c @@ -173,7 +173,6 @@ struct mxc_nand_devtype_data { }; struct mxc_nand_host { - struct mtd_info mtd; struct nand_chip nand; struct device *dev; @@ -1515,7 +1514,7 @@ static int mxcnd_probe(struct platform_device *pdev) host->dev = &pdev->dev; /* structures must be linked */ this = &host->nand; - mtd = &host->mtd; + mtd = nand_to_mtd(&host->nand); mtd->priv = this; mtd->dev.parent = &pdev->dev; mtd->name = DRIVER_NAME; @@ -1703,7 +1702,7 @@ static int mxcnd_remove(struct platform_device *pdev) { struct mxc_nand_host *host = platform_get_drvdata(pdev); - nand_release(&host->mtd); + nand_release(nand_to_mtd(&host->nand)); if (host->clk_act) clk_disable_unprepare(host->clk); diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index eb2a567..442eeaf 100644 --- a/drivers/mtd/nand/nandsim.c +++ b/drivers/mtd/nand/nandsim.c @@ -2236,13 +2236,13 @@ static int __init ns_init_module(void) } /* Allocate and initialize mtd_info, nand_chip and nandsim structures */ - nsmtd = kzalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip) - + sizeof(struct nandsim), GFP_KERNEL); - if (!nsmtd) { + chip = kzalloc(sizeof(struct nand_chip) + sizeof(struct nandsim), + GFP_KERNEL); + if (!chip) { NS_ERR("unable to allocate core structures.\n"); return -ENOMEM; } - chip = (struct nand_chip *)(nsmtd + 1); + nsmtd = nand_to_mtd(chip); nsmtd->priv = (void *)chip; nand = (struct nandsim *)(chip + 1); chip->priv = (void *)nand; @@ -2392,7 +2392,7 @@ err_exit: for (i = 0;i < ARRAY_SIZE(nand->partitions); ++i) kfree(nand->partitions[i].name); error: - kfree(nsmtd); + kfree(chip); free_lists(); return retval; @@ -2413,7 +2413,7 @@ static void __exit ns_cleanup_module(void) nand_release(nsmtd); /* Unregister driver */ for (i = 0;i < ARRAY_SIZE(ns->partitions); ++i) kfree(ns->partitions[i].name); - kfree(nsmtd); /* Free other structures */ + kfree(mtd_to_nand(nsmtd)); /* Free other structures */ free_lists(); } diff --git a/drivers/mtd/nand/ndfc.c b/drivers/mtd/nand/ndfc.c index d8a23b0..6962f3b 100644 --- a/drivers/mtd/nand/ndfc.c +++ b/drivers/mtd/nand/ndfc.c @@ -37,7 +37,6 @@ struct ndfc_controller { struct platform_device *ofdev; void __iomem *ndfcbase; - struct mtd_info mtd; struct nand_chip chip; int chip_select; struct nand_hw_control ndfc_control; @@ -167,31 +166,32 @@ static int ndfc_chip_init(struct ndfc_controller *ndfc, chip->ecc.strength = 1; chip->priv = ndfc; - ndfc->mtd.priv = chip; - ndfc->mtd.dev.parent = &ndfc->ofdev->dev; + nand_to_mtd(&ndfc->chip)->priv = chip; + nand_to_mtd(&ndfc->chip)->dev.parent = &ndfc->ofdev->dev; flash_np = of_get_next_child(node, NULL); if (!flash_np) return -ENODEV; nand_set_flash_node(chip, flash_np); - ndfc->mtd.name = kasprintf(GFP_KERNEL, "%s.%s", - dev_name(&ndfc->ofdev->dev), flash_np->name); - if (!ndfc->mtd.name) { + ppdata.of_node = flash_np; + nand_to_mtd(&ndfc->chip)->name = kasprintf(GFP_KERNEL, "%s.%s", + dev_name(&ndfc->ofdev->dev), flash_np->name); + if (!nand_to_mtd(&ndfc->chip)->name) { ret = -ENOMEM; goto err; } - ret = nand_scan(&ndfc->mtd, 1); + ret = nand_scan(nand_to_mtd(&ndfc->chip), 1); if (ret) goto err; - ret = mtd_device_register(&ndfc->mtd, NULL, 0); + ret = mtd_device_register(nand_to_mtd(&ndfc->chip), NULL, 0); err: of_node_put(flash_np); if (ret) - kfree(ndfc->mtd.name); + kfree(nand_to_mtd(&ndfc->chip)->name); return ret; } @@ -259,8 +259,8 @@ static int ndfc_remove(struct platform_device *ofdev) { struct ndfc_controller *ndfc = dev_get_drvdata(&ofdev->dev); - nand_release(&ndfc->mtd); - kfree(ndfc->mtd.name); + nand_release(nand_to_mtd(&ndfc->chip)); + kfree(nand_to_mtd(&ndfc->chip)->name); return 0; } diff --git a/drivers/mtd/nand/nuc900_nand.c b/drivers/mtd/nand/nuc900_nand.c index 8148cd6..fc5376f 100644 --- a/drivers/mtd/nand/nuc900_nand.c +++ b/drivers/mtd/nand/nuc900_nand.c @@ -55,7 +55,6 @@ __raw_writel((val), (dev)->reg + REG_SMADDR) struct nuc900_nand { - struct mtd_info mtd; struct nand_chip chip; void __iomem *reg; struct clk *clk; @@ -80,7 +79,7 @@ static unsigned char nuc900_nand_read_byte(struct mtd_info *mtd) unsigned char ret; struct nuc900_nand *nand; - nand = container_of(mtd, struct nuc900_nand, mtd); + nand = container_of(mtd_to_nand(mtd), struct nuc900_nand, chip); ret = (unsigned char)read_data_reg(nand); @@ -93,7 +92,7 @@ static void nuc900_nand_read_buf(struct mtd_info *mtd, int i; struct nuc900_nand *nand; - nand = container_of(mtd, struct nuc900_nand, mtd); + nand = container_of(mtd_to_nand(mtd), struct nuc900_nand, chip); for (i = 0; i < len; i++) buf[i] = (unsigned char)read_data_reg(nand); @@ -105,7 +104,7 @@ static void nuc900_nand_write_buf(struct mtd_info *mtd, int i; struct nuc900_nand *nand; - nand = container_of(mtd, struct nuc900_nand, mtd); + nand = container_of(mtd_to_nand(mtd), struct nuc900_nand, chip); for (i = 0; i < len; i++) write_data_reg(nand, buf[i]); @@ -127,7 +126,7 @@ static int nuc900_nand_devready(struct mtd_info *mtd) struct nuc900_nand *nand; int ready; - nand = container_of(mtd, struct nuc900_nand, mtd); + nand = container_of(mtd_to_nand(mtd), struct nuc900_nand, chip); ready = (nuc900_check_rb(nand)) ? 1 : 0; return ready; @@ -139,7 +138,7 @@ static void nuc900_nand_command_lp(struct mtd_info *mtd, unsigned int command, register struct nand_chip *chip = mtd_to_nand(mtd); struct nuc900_nand *nand; - nand = container_of(mtd, struct nuc900_nand, mtd); + nand = container_of(mtd_to_nand(mtd), struct nuc900_nand, chip); if (command == NAND_CMD_READOOB) { column += mtd->writesize; @@ -249,8 +248,8 @@ static int nuc900_nand_probe(struct platform_device *pdev) return -ENOMEM; chip = &(nuc900_nand->chip); - nuc900_nand->mtd.priv = chip; - nuc900_nand->mtd.dev.parent = &pdev->dev; + nand_to_mtd(&nuc900_nand->chip)->priv = chip; + nand_to_mtd(&nuc900_nand->chip)->dev.parent = &pdev->dev; spin_lock_init(&nuc900_nand->lock); nuc900_nand->clk = devm_clk_get(&pdev->dev, NULL); @@ -274,10 +273,10 @@ static int nuc900_nand_probe(struct platform_device *pdev) nuc900_nand_enable(nuc900_nand); - if (nand_scan(&(nuc900_nand->mtd), 1)) + if (nand_scan(nand_to_mtd(&nuc900_nand->chip), 1)) return -ENXIO; - mtd_device_register(&(nuc900_nand->mtd), partitions, + mtd_device_register(nand_to_mtd(&nuc900_nand->chip), partitions, ARRAY_SIZE(partitions)); platform_set_drvdata(pdev, nuc900_nand); @@ -289,7 +288,7 @@ static int nuc900_nand_remove(struct platform_device *pdev) { struct nuc900_nand *nuc900_nand = platform_get_drvdata(pdev); - nand_release(&nuc900_nand->mtd); + nand_release(nand_to_mtd(&nuc900_nand->chip)); clk_disable(nuc900_nand->clk); return 0; diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index 944a74e..d7f79ed 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -152,7 +152,6 @@ static struct nand_hw_control omap_gpmc_controller = { struct omap_nand_info { struct omap_nand_platform_data *pdata; - struct mtd_info mtd; struct nand_chip nand; struct platform_device *pdev; @@ -247,8 +246,9 @@ static int omap_prefetch_reset(int cs, struct omap_nand_info *info) */ static void omap_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl) { - struct omap_nand_info *info = container_of(mtd, - struct omap_nand_info, mtd); + struct omap_nand_info *info = container_of(mtd_to_nand(mtd), + struct omap_nand_info, + nand); if (cmd != NAND_CMD_NONE) { if (ctrl & NAND_CLE) @@ -283,8 +283,9 @@ static void omap_read_buf8(struct mtd_info *mtd, u_char *buf, int len) */ static void omap_write_buf8(struct mtd_info *mtd, const u_char *buf, int len) { - struct omap_nand_info *info = container_of(mtd, - struct omap_nand_info, mtd); + struct omap_nand_info *info = container_of(mtd_to_nand(mtd), + struct omap_nand_info, + nand); u_char *p = (u_char *)buf; u32 status = 0; @@ -319,8 +320,9 @@ static void omap_read_buf16(struct mtd_info *mtd, u_char *buf, int len) */ static void omap_write_buf16(struct mtd_info *mtd, const u_char * buf, int len) { - struct omap_nand_info *info = container_of(mtd, - struct omap_nand_info, mtd); + struct omap_nand_info *info = container_of(mtd_to_nand(mtd), + struct omap_nand_info, + nand); u16 *p = (u16 *) buf; u32 status = 0; /* FIXME try bursts of writesw() or DMA ... */ @@ -344,8 +346,9 @@ static void omap_write_buf16(struct mtd_info *mtd, const u_char * buf, int len) */ static void omap_read_buf_pref(struct mtd_info *mtd, u_char *buf, int len) { - struct omap_nand_info *info = container_of(mtd, - struct omap_nand_info, mtd); + struct omap_nand_info *info = container_of(mtd_to_nand(mtd), + struct omap_nand_info, + nand); uint32_t r_count = 0; int ret = 0; u32 *p = (u32 *)buf; @@ -392,8 +395,9 @@ static void omap_read_buf_pref(struct mtd_info *mtd, u_char *buf, int len) static void omap_write_buf_pref(struct mtd_info *mtd, const u_char *buf, int len) { - struct omap_nand_info *info = container_of(mtd, - struct omap_nand_info, mtd); + struct omap_nand_info *info = container_of(mtd_to_nand(mtd), + struct omap_nand_info, + nand); uint32_t w_count = 0; int i = 0, ret = 0; u16 *p = (u16 *)buf; @@ -458,8 +462,9 @@ static void omap_nand_dma_callback(void *data) static inline int omap_nand_dma_transfer(struct mtd_info *mtd, void *addr, unsigned int len, int is_write) { - struct omap_nand_info *info = container_of(mtd, - struct omap_nand_info, mtd); + struct omap_nand_info *info = container_of(mtd_to_nand(mtd), + struct omap_nand_info, + nand); struct dma_async_tx_descriptor *tx; enum dma_data_direction dir = is_write ? DMA_TO_DEVICE : DMA_FROM_DEVICE; @@ -623,8 +628,9 @@ done: */ static void omap_read_buf_irq_pref(struct mtd_info *mtd, u_char *buf, int len) { - struct omap_nand_info *info = container_of(mtd, - struct omap_nand_info, mtd); + struct omap_nand_info *info = container_of(mtd_to_nand(mtd), + struct omap_nand_info, + nand); int ret = 0; if (len <= mtd->oobsize) { @@ -671,8 +677,9 @@ out_copy: static void omap_write_buf_irq_pref(struct mtd_info *mtd, const u_char *buf, int len) { - struct omap_nand_info *info = container_of(mtd, - struct omap_nand_info, mtd); + struct omap_nand_info *info = container_of(mtd_to_nand(mtd), + struct omap_nand_info, + nand); int ret = 0; unsigned long tim, limit; u32 val; @@ -886,8 +893,9 @@ static int omap_compare_ecc(u8 *ecc_data1, /* read from NAND memory */ static int omap_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc) { - struct omap_nand_info *info = container_of(mtd, struct omap_nand_info, - mtd); + struct omap_nand_info *info = container_of(mtd_to_nand(mtd), + struct omap_nand_info, + nand); int blockCnt = 0, i = 0, ret = 0; int stat = 0; @@ -928,8 +936,9 @@ static int omap_correct_data(struct mtd_info *mtd, u_char *dat, static int omap_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code) { - struct omap_nand_info *info = container_of(mtd, struct omap_nand_info, - mtd); + struct omap_nand_info *info = container_of(mtd_to_nand(mtd), + struct omap_nand_info, + nand); u32 val; val = readl(info->reg.gpmc_ecc_config); @@ -953,8 +962,9 @@ static int omap_calculate_ecc(struct mtd_info *mtd, const u_char *dat, */ static void omap_enable_hwecc(struct mtd_info *mtd, int mode) { - struct omap_nand_info *info = container_of(mtd, struct omap_nand_info, - mtd); + struct omap_nand_info *info = container_of(mtd_to_nand(mtd), + struct omap_nand_info, + nand); struct nand_chip *chip = mtd_to_nand(mtd); unsigned int dev_width = (chip->options & NAND_BUSWIDTH_16) ? 1 : 0; u32 val; @@ -1002,8 +1012,9 @@ static void omap_enable_hwecc(struct mtd_info *mtd, int mode) static int omap_wait(struct mtd_info *mtd, struct nand_chip *chip) { struct nand_chip *this = mtd_to_nand(mtd); - struct omap_nand_info *info = container_of(mtd, struct omap_nand_info, - mtd); + struct omap_nand_info *info = container_of(mtd_to_nand(mtd), + struct omap_nand_info, + nand); unsigned long timeo = jiffies; int status, state = this->state; @@ -1031,8 +1042,9 @@ static int omap_wait(struct mtd_info *mtd, struct nand_chip *chip) static int omap_dev_ready(struct mtd_info *mtd) { unsigned int val = 0; - struct omap_nand_info *info = container_of(mtd, struct omap_nand_info, - mtd); + struct omap_nand_info *info = container_of(mtd_to_nand(mtd), + struct omap_nand_info, + nand); val = readl(info->reg.gpmc_status); @@ -1058,8 +1070,9 @@ static void __maybe_unused omap_enable_hwecc_bch(struct mtd_info *mtd, int mode) { unsigned int bch_type; unsigned int dev_width, nsectors; - struct omap_nand_info *info = container_of(mtd, struct omap_nand_info, - mtd); + struct omap_nand_info *info = container_of(mtd_to_nand(mtd), + struct omap_nand_info, + nand); enum omap_ecc ecc_opt = info->ecc_opt; struct nand_chip *chip = mtd_to_nand(mtd); u32 val, wr_mode; @@ -1162,8 +1175,9 @@ static u8 bch8_polynomial[] = {0xef, 0x51, 0x2e, 0x09, 0xed, 0x93, 0x9a, 0xc2, static int __maybe_unused omap_calculate_ecc_bch(struct mtd_info *mtd, const u_char *dat, u_char *ecc_calc) { - struct omap_nand_info *info = container_of(mtd, struct omap_nand_info, - mtd); + struct omap_nand_info *info = container_of(mtd_to_nand(mtd), + struct omap_nand_info, + nand); int eccbytes = info->nand.ecc.bytes; struct gpmc_nand_regs *gpmc_regs = &info->reg; u8 *ecc_code; @@ -1334,8 +1348,9 @@ static int erased_sector_bitflips(u_char *data, u_char *oob, static int omap_elm_correct_data(struct mtd_info *mtd, u_char *data, u_char *read_ecc, u_char *calc_ecc) { - struct omap_nand_info *info = container_of(mtd, struct omap_nand_info, - mtd); + struct omap_nand_info *info = container_of(mtd_to_nand(mtd), + struct omap_nand_info, + nand); struct nand_ecc_ctrl *ecc = &info->nand.ecc; int eccsteps = info->nand.ecc.steps; int i , j, stat = 0; @@ -1682,7 +1697,7 @@ static int omap_nand_probe(struct platform_device *pdev) info->reg = pdata->reg; info->of_node = pdata->of_node; info->ecc_opt = pdata->ecc_opt; - mtd = &info->mtd; + mtd = nand_to_mtd(&info->nand); mtd->priv = &info->nand; mtd->dev.parent = &pdev->dev; nand_chip = &info->nand; @@ -1909,7 +1924,7 @@ static int omap_nand_probe(struct platform_device *pdev) ecclayout->eccpos[ecclayout->eccbytes - 1] + 1; err = elm_config(info->elm_dev, BCH4_ECC, - info->mtd.writesize / nand_chip->ecc.size, + nand_to_mtd(&info->nand)->writesize / nand_chip->ecc.size, nand_chip->ecc.size, nand_chip->ecc.bytes); if (err < 0) goto return_error; @@ -1963,7 +1978,7 @@ static int omap_nand_probe(struct platform_device *pdev) nand_chip->ecc.write_page = omap_write_page_bch; err = elm_config(info->elm_dev, BCH8_ECC, - info->mtd.writesize / nand_chip->ecc.size, + nand_to_mtd(&info->nand)->writesize / nand_chip->ecc.size, nand_chip->ecc.size, nand_chip->ecc.bytes); if (err < 0) goto return_error; @@ -1993,7 +2008,7 @@ static int omap_nand_probe(struct platform_device *pdev) nand_chip->ecc.write_page = omap_write_page_bch; err = elm_config(info->elm_dev, BCH16_ECC, - info->mtd.writesize / nand_chip->ecc.size, + nand_to_mtd(&info->nand)->writesize / nand_chip->ecc.size, nand_chip->ecc.size, nand_chip->ecc.bytes); if (err < 0) goto return_error; @@ -2057,8 +2072,9 @@ static int omap_nand_remove(struct platform_device *pdev) { struct mtd_info *mtd = platform_get_drvdata(pdev); struct nand_chip *nand_chip = mtd_to_nand(mtd); - struct omap_nand_info *info = container_of(mtd, struct omap_nand_info, - mtd); + struct omap_nand_info *info = container_of(mtd_to_nand(mtd), + struct omap_nand_info, + nand); if (nand_chip->ecc.priv) { nand_bch_free(nand_chip->ecc.priv); nand_chip->ecc.priv = NULL; diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c index 4ed4f67..087a040 100644 --- a/drivers/mtd/nand/orion_nand.c +++ b/drivers/mtd/nand/orion_nand.c @@ -85,11 +85,11 @@ static int __init orion_nand_probe(struct platform_device *pdev) u32 val = 0; nc = devm_kzalloc(&pdev->dev, - sizeof(struct nand_chip) + sizeof(struct mtd_info), + sizeof(struct nand_chip), GFP_KERNEL); if (!nc) return -ENOMEM; - mtd = (struct mtd_info *)(nc + 1); + mtd = nand_to_mtd(nc); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); io_base = devm_ioremap_resource(&pdev->dev, res); diff --git a/drivers/mtd/nand/pasemi_nand.c b/drivers/mtd/nand/pasemi_nand.c index fa2f1fe..4dd2985 100644 --- a/drivers/mtd/nand/pasemi_nand.c +++ b/drivers/mtd/nand/pasemi_nand.c @@ -110,17 +110,15 @@ static int pasemi_nand_probe(struct platform_device *ofdev) pr_debug("pasemi_nand at %pR\n", &res); /* Allocate memory for MTD device structure and private data */ - pasemi_nand_mtd = kzalloc(sizeof(struct mtd_info) + - sizeof(struct nand_chip), GFP_KERNEL); - if (!pasemi_nand_mtd) { + chip = kzalloc(sizeof(struct nand_chip), GFP_KERNEL); + if (!chip) { printk(KERN_WARNING "Unable to allocate PASEMI NAND MTD device structure\n"); err = -ENOMEM; goto out; } - /* Get pointer to private data */ - chip = (struct nand_chip *)&pasemi_nand_mtd[1]; + pasemi_nand_mtd = nand_to_mtd(chip); /* Link the private data with the MTD structure */ pasemi_nand_mtd->priv = chip; @@ -180,7 +178,7 @@ static int pasemi_nand_probe(struct platform_device *ofdev) out_ior: iounmap(chip->IO_ADDR_R); out_mtd: - kfree(pasemi_nand_mtd); + kfree(chip); out: return err; } @@ -192,7 +190,7 @@ static int pasemi_nand_remove(struct platform_device *ofdev) if (!pasemi_nand_mtd) return 0; - chip = pasemi_nand_mtd->priv; + chip = mtd_to_nand(pasemi_nand_mtd); /* Release resources, unregister device */ nand_release(pasemi_nand_mtd); @@ -202,7 +200,7 @@ static int pasemi_nand_remove(struct platform_device *ofdev) iounmap(chip->IO_ADDR_R); /* Free the MTD device structure */ - kfree(pasemi_nand_mtd); + kfree(chip); pasemi_nand_mtd = NULL; diff --git a/drivers/mtd/nand/plat_nand.c b/drivers/mtd/nand/plat_nand.c index 06ac6c6..789c4fa 100644 --- a/drivers/mtd/nand/plat_nand.c +++ b/drivers/mtd/nand/plat_nand.c @@ -20,7 +20,6 @@ struct plat_nand_data { struct nand_chip chip; - struct mtd_info mtd; void __iomem *io_base; }; @@ -58,8 +57,8 @@ static int plat_nand_probe(struct platform_device *pdev) data->chip.priv = &data; nand_set_flash_node(&data->chip, pdev->dev.of_node); - data->mtd.priv = &data->chip; - data->mtd.dev.parent = &pdev->dev; + nand_to_mtd(&data->chip)->priv = &data->chip; + nand_to_mtd(&data->chip)->dev.parent = &pdev->dev; data->chip.IO_ADDR_R = data->io_base; data->chip.IO_ADDR_W = data->io_base; @@ -87,21 +86,22 @@ static int plat_nand_probe(struct platform_device *pdev) } /* Scan to find existence of the device */ - if (nand_scan(&data->mtd, pdata->chip.nr_chips)) { + if (nand_scan(nand_to_mtd(&data->chip), pdata->chip.nr_chips)) { err = -ENXIO; goto out; } part_types = pdata->chip.part_probe_types; - err = mtd_device_parse_register(&data->mtd, part_types, NULL, + err = mtd_device_parse_register(nand_to_mtd(&data->chip), + part_types, NULL, pdata->chip.partitions, pdata->chip.nr_partitions); if (!err) return err; - nand_release(&data->mtd); + nand_release(nand_to_mtd(&data->chip)); out: if (pdata->ctrl.remove) pdata->ctrl.remove(pdev); @@ -116,7 +116,7 @@ static int plat_nand_remove(struct platform_device *pdev) struct plat_nand_data *data = platform_get_drvdata(pdev); struct platform_nand_data *pdata = dev_get_platdata(&pdev->dev); - nand_release(&data->mtd); + nand_release(nand_to_mtd(&data->chip)); if (pdata->ctrl.remove) pdata->ctrl.remove(pdev); diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c index 6e22682f..86b2de5 100644 --- a/drivers/mtd/nand/pxa3xx_nand.c +++ b/drivers/mtd/nand/pxa3xx_nand.c @@ -172,7 +172,6 @@ enum pxa3xx_nand_variant { struct pxa3xx_nand_host { struct nand_chip chip; - struct mtd_info *mtd; void *info_data; /* page size of attached chip */ @@ -455,14 +454,15 @@ static int pxa3xx_nand_init_timings_compat(struct pxa3xx_nand_host *host, struct nand_chip *chip = &host->chip; struct pxa3xx_nand_info *info = host->info_data; const struct pxa3xx_nand_flash *f = NULL; + struct mtd_info *mtd = nand_to_mtd(&host->chip); int i, id, ntypes; ntypes = ARRAY_SIZE(builtin_flash_types); - chip->cmdfunc(host->mtd, NAND_CMD_READID, 0x00, -1); + chip->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1); - id = chip->read_byte(host->mtd); - id |= chip->read_byte(host->mtd) << 0x8; + id = chip->read_byte(mtd); + id |= chip->read_byte(mtd) << 0x8; for (i = 0; i < ntypes; i++) { f = &builtin_flash_types[i]; @@ -895,7 +895,7 @@ static void set_command_address(struct pxa3xx_nand_info *info, static void prepare_start_command(struct pxa3xx_nand_info *info, int command) { struct pxa3xx_nand_host *host = info->host[info->cs]; - struct mtd_info *mtd = host->mtd; + struct mtd_info *mtd = nand_to_mtd(&host->chip); /* reset data and oob column point to handle data */ info->buf_start = 0; @@ -948,7 +948,7 @@ static int prepare_set_command(struct pxa3xx_nand_info *info, int command, struct mtd_info *mtd; host = info->host[info->cs]; - mtd = host->mtd; + mtd = nand_to_mtd(&host->chip); addr_cycle = 0; exec_cmd = 1; @@ -1399,7 +1399,7 @@ static int pxa3xx_nand_config_flash(struct pxa3xx_nand_info *info) struct platform_device *pdev = info->pdev; struct pxa3xx_nand_platform_data *pdata = dev_get_platdata(&pdev->dev); struct pxa3xx_nand_host *host = info->host[info->cs]; - struct mtd_info *mtd = host->mtd; + struct mtd_info *mtd = nand_to_mtd(&host->chip); struct nand_chip *chip = mtd_to_nand(mtd); /* configure default flash values */ @@ -1498,7 +1498,7 @@ static int pxa3xx_nand_sensing(struct pxa3xx_nand_host *host) const struct nand_sdr_timings *timings; int ret; - mtd = info->host[info->cs]->mtd; + mtd = nand_to_mtd(&info->host[info->cs]->chip); chip = mtd_to_nand(mtd); /* use the common timing to make a try */ @@ -1716,19 +1716,20 @@ static int alloc_nand_resource(struct platform_device *pdev) pdata = dev_get_platdata(&pdev->dev); if (pdata->num_cs <= 0) return -ENODEV; - info = devm_kzalloc(&pdev->dev, sizeof(*info) + (sizeof(*mtd) + - sizeof(*host)) * pdata->num_cs, GFP_KERNEL); + info = devm_kzalloc(&pdev->dev, + sizeof(*info) + sizeof(*host) * pdata->num_cs, + GFP_KERNEL); if (!info) return -ENOMEM; info->pdev = pdev; info->variant = pxa3xx_nand_get_variant(pdev); for (cs = 0; cs < pdata->num_cs; cs++) { - mtd = (void *)&info[1] + (sizeof(*mtd) + sizeof(*host)) * cs; - chip = (struct nand_chip *)(&mtd[1]); - host = (struct pxa3xx_nand_host *)chip; + host = (void *)&info[1] + sizeof(*host) * cs; + chip = &host->chip; + chip->priv = host; + mtd = nand_to_mtd(chip); info->host[cs] = host; - host->mtd = mtd; host->cs = cs; host->info_data = info; mtd->priv = chip; @@ -1856,7 +1857,7 @@ static int pxa3xx_nand_remove(struct platform_device *pdev) clk_disable_unprepare(info->clk); for (cs = 0; cs < pdata->num_cs; cs++) - nand_release(info->host[cs]->mtd); + nand_release(nand_to_mtd(&info->host[cs]->chip)); return 0; } @@ -1927,7 +1928,7 @@ static int pxa3xx_nand_probe(struct platform_device *pdev) info = platform_get_drvdata(pdev); probe_success = 0; for (cs = 0; cs < pdata->num_cs; cs++) { - struct mtd_info *mtd = info->host[cs]->mtd; + struct mtd_info *mtd = nand_to_mtd(&info->host[cs]->chip); /* * The mtd name matches the one used in 'mtdparts' kernel diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c index 39decfa..9c86409 100644 --- a/drivers/mtd/nand/r852.c +++ b/drivers/mtd/nand/r852.c @@ -634,25 +634,22 @@ static void r852_update_media_status(struct r852_device *dev) */ static int r852_register_nand_device(struct r852_device *dev) { - dev->mtd = kzalloc(sizeof(struct mtd_info), GFP_KERNEL); - - if (!dev->mtd) - goto error1; + struct mtd_info *mtd = nand_to_mtd(dev->chip); WARN_ON(dev->card_registred); - dev->mtd->priv = dev->chip; - dev->mtd->dev.parent = &dev->pci_dev->dev; + mtd->priv = dev->chip; + mtd->dev.parent = &dev->pci_dev->dev; if (dev->readonly) dev->chip->options |= NAND_ROM; r852_engine_enable(dev); - if (sm_register_device(dev->mtd, dev->sm)) - goto error2; + if (sm_register_device(mtd, dev->sm)) + goto error1; - if (device_create_file(&dev->mtd->dev, &dev_attr_media_type)) { + if (device_create_file(&mtd->dev, &dev_attr_media_type)) { message("can't create media type sysfs attribute"); goto error3; } @@ -660,9 +657,7 @@ static int r852_register_nand_device(struct r852_device *dev) dev->card_registred = 1; return 0; error3: - nand_release(dev->mtd); -error2: - kfree(dev->mtd); + nand_release(mtd); error1: /* Force card redetect */ dev->card_detected = 0; @@ -675,15 +670,15 @@ error1: static void r852_unregister_nand_device(struct r852_device *dev) { + struct mtd_info *mtd = nand_to_mtd(dev->chip); + if (!dev->card_registred) return; - device_remove_file(&dev->mtd->dev, &dev_attr_media_type); - nand_release(dev->mtd); + device_remove_file(&mtd->dev, &dev_attr_media_type); + nand_release(mtd); r852_engine_disable(dev); dev->card_registred = 0; - kfree(dev->mtd); - dev->mtd = NULL; } /* Card state updater */ @@ -1032,6 +1027,7 @@ static int r852_suspend(struct device *device) static int r852_resume(struct device *device) { struct r852_device *dev = pci_get_drvdata(to_pci_dev(device)); + struct mtd_info *mtd = nand_to_mtd(dev->chip); r852_disable_irqs(dev); r852_card_update_present(dev); @@ -1051,9 +1047,9 @@ static int r852_resume(struct device *device) /* Otherwise, initialize the card */ if (dev->card_registred) { r852_engine_enable(dev); - dev->chip->select_chip(dev->mtd, 0); - dev->chip->cmdfunc(dev->mtd, NAND_CMD_RESET, -1, -1); - dev->chip->select_chip(dev->mtd, -1); + dev->chip->select_chip(mtd, 0); + dev->chip->cmdfunc(mtd, NAND_CMD_RESET, -1, -1); + dev->chip->select_chip(mtd, -1); } /* Program card detection IRQ */ diff --git a/drivers/mtd/nand/r852.h b/drivers/mtd/nand/r852.h index e6a21d9..d042ddb 100644 --- a/drivers/mtd/nand/r852.h +++ b/drivers/mtd/nand/r852.h @@ -108,7 +108,6 @@ struct r852_device { void __iomem *mmio; /* mmio */ - struct mtd_info *mtd; /* mtd backpointer */ struct nand_chip *chip; /* nand chip backpointer */ struct pci_dev *pci_dev; /* pci backpointer */ diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c index e658b29..9f6423d 100644 --- a/drivers/mtd/nand/s3c2410.c +++ b/drivers/mtd/nand/s3c2410.c @@ -104,7 +104,6 @@ struct s3c2410_nand_info; * @scan_res: The result from calling nand_scan_ident(). */ struct s3c2410_nand_mtd { - struct mtd_info mtd; struct nand_chip chip; struct s3c2410_nand_set *set; struct s3c2410_nand_info *info; @@ -168,7 +167,8 @@ struct s3c2410_nand_info { static struct s3c2410_nand_mtd *s3c2410_nand_mtd_toours(struct mtd_info *mtd) { - return container_of(mtd, struct s3c2410_nand_mtd, mtd); + return container_of(mtd_to_nand(mtd), struct s3c2410_nand_mtd, + chip); } static struct s3c2410_nand_info *s3c2410_nand_mtd_toinfo(struct mtd_info *mtd) @@ -745,7 +745,7 @@ static int s3c24xx_nand_remove(struct platform_device *pdev) for (mtdno = 0; mtdno < info->mtd_count; mtdno++, ptr++) { pr_debug("releasing mtd %d (%p)\n", mtdno, ptr); - nand_release(&ptr->mtd); + nand_release(nand_to_mtd(&ptr->chip)); } } @@ -762,9 +762,10 @@ static int s3c2410_nand_add_partition(struct s3c2410_nand_info *info, struct s3c2410_nand_set *set) { if (set) { - mtd->mtd.name = set->name; + nand_to_mtd(&mtd->chip)->name = set->name; - return mtd_device_parse_register(&mtd->mtd, NULL, NULL, + return mtd_device_parse_register(nand_to_mtd(&mtd->chip), + NULL, NULL, set->partitions, set->nr_partitions); } @@ -831,7 +832,7 @@ static void s3c2410_nand_init_chip(struct s3c2410_nand_info *info, chip->IO_ADDR_R = chip->IO_ADDR_W; nmtd->info = info; - nmtd->mtd.priv = chip; + nand_to_mtd(&nmtd->chip)->priv = chip; nmtd->set = set; #ifdef CONFIG_MTD_NAND_S3C2410_HWECC @@ -1015,16 +1016,16 @@ static int s3c24xx_nand_probe(struct platform_device *pdev) pr_debug("initialising set %d (%p, info %p)\n", setno, nmtd, info); - nmtd->mtd.dev.parent = &pdev->dev; + nand_to_mtd(&nmtd->chip)->dev.parent = &pdev->dev; s3c2410_nand_init_chip(info, nmtd, sets); - nmtd->scan_res = nand_scan_ident(&nmtd->mtd, + nmtd->scan_res = nand_scan_ident(nand_to_mtd(&nmtd->chip), (sets) ? sets->nr_chips : 1, NULL); if (nmtd->scan_res == 0) { s3c2410_nand_update_chip(info, nmtd); - nand_scan_tail(&nmtd->mtd); + nand_scan_tail(nand_to_mtd(&nmtd->chip)); s3c2410_nand_add_partition(info, nmtd, sets); } diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c index 57dc525..0ec4b04 100644 --- a/drivers/mtd/nand/sh_flctl.c +++ b/drivers/mtd/nand/sh_flctl.c @@ -607,13 +607,13 @@ static void execmd_read_page_sector(struct mtd_info *mtd, int page_addr) case FL_REPAIRABLE: dev_info(&flctl->pdev->dev, "applied ecc on page 0x%x", page_addr); - flctl->mtd.ecc_stats.corrected++; + mtd->ecc_stats.corrected++; break; case FL_ERROR: dev_warn(&flctl->pdev->dev, "page 0x%x contains corrupted data\n", page_addr); - flctl->mtd.ecc_stats.failed++; + mtd->ecc_stats.failed++; break; default: ; @@ -1120,8 +1120,8 @@ static int flctl_probe(struct platform_device *pdev) } platform_set_drvdata(pdev, flctl); - flctl_mtd = &flctl->mtd; nand = &flctl->chip; + flctl_mtd = nand_to_mtd(nand); nand_set_flash_node(nand, pdev->dev.of_node); flctl_mtd->priv = nand; flctl_mtd->dev.parent = &pdev->dev; @@ -1178,7 +1178,7 @@ static int flctl_remove(struct platform_device *pdev) struct sh_flctl *flctl = platform_get_drvdata(pdev); flctl_release_dma(flctl); - nand_release(&flctl->mtd); + nand_release(nand_to_mtd(&flctl->chip)); pm_runtime_disable(&pdev->dev); return 0; diff --git a/drivers/mtd/nand/sharpsl.c b/drivers/mtd/nand/sharpsl.c index 84129e5..be5a4bc 100644 --- a/drivers/mtd/nand/sharpsl.c +++ b/drivers/mtd/nand/sharpsl.c @@ -29,13 +29,12 @@ #include <asm/mach-types.h> struct sharpsl_nand { - struct mtd_info mtd; struct nand_chip chip; void __iomem *io; }; -#define mtd_to_sharpsl(_mtd) container_of(_mtd, struct sharpsl_nand, mtd) +#define mtd_to_sharpsl(_mtd) container_of(mtd_to_nand(_mtd), struct sharpsl_nand, chip) /* register offset */ #define ECCLPLB 0x00 /* line parity 7 - 0 bit */ @@ -143,8 +142,8 @@ static int sharpsl_nand_probe(struct platform_device *pdev) this = (struct nand_chip *)(&sharpsl->chip); /* Link the private data with the MTD structure */ - sharpsl->mtd.priv = this; - sharpsl->mtd.dev.parent = &pdev->dev; + nand_to_mtd(&sharpsl->chip)->priv = this; + nand_to_mtd(&sharpsl->chip)->dev.parent = &pdev->dev; platform_set_drvdata(pdev, sharpsl); @@ -173,14 +172,15 @@ static int sharpsl_nand_probe(struct platform_device *pdev) this->ecc.correct = nand_correct_data; /* Scan to find existence of the device */ - err = nand_scan(&sharpsl->mtd, 1); + err = nand_scan(nand_to_mtd(&sharpsl->chip), 1); if (err) goto err_scan; /* Register the partitions */ - sharpsl->mtd.name = "sharpsl-nand"; + nand_to_mtd(&sharpsl->chip)->name = "sharpsl-nand"; - err = mtd_device_parse_register(&sharpsl->mtd, NULL, NULL, + err = mtd_device_parse_register(nand_to_mtd(&sharpsl->chip), + NULL, NULL, data->partitions, data->nr_partitions); if (err) goto err_add; @@ -189,7 +189,7 @@ static int sharpsl_nand_probe(struct platform_device *pdev) return 0; err_add: - nand_release(&sharpsl->mtd); + nand_release(nand_to_mtd(&sharpsl->chip)); err_scan: iounmap(sharpsl->io); @@ -207,7 +207,7 @@ static int sharpsl_nand_remove(struct platform_device *pdev) struct sharpsl_nand *sharpsl = platform_get_drvdata(pdev); /* Release resources, unregister device */ - nand_release(&sharpsl->mtd); + nand_release(nand_to_mtd(&sharpsl->chip)); iounmap(sharpsl->io); diff --git a/drivers/mtd/nand/socrates_nand.c b/drivers/mtd/nand/socrates_nand.c index 2dfb1e0..6c0ea1c 100644 --- a/drivers/mtd/nand/socrates_nand.c +++ b/drivers/mtd/nand/socrates_nand.c @@ -30,7 +30,6 @@ struct socrates_nand_host { struct nand_chip nand_chip; - struct mtd_info mtd; void __iomem *io_base; struct device *dev; }; @@ -159,7 +158,7 @@ static int socrates_nand_probe(struct platform_device *ofdev) return -EIO; } - mtd = &host->mtd; + mtd = nand_to_mtd(&host->nand_chip); nand_chip = &host->nand_chip; host->dev = &ofdev->dev; @@ -216,7 +215,7 @@ out: static int socrates_nand_remove(struct platform_device *ofdev) { struct socrates_nand_host *host = dev_get_drvdata(&ofdev->dev); - struct mtd_info *mtd = &host->mtd; + struct mtd_info *mtd = nand_to_mtd(&host->nand_chip); nand_release(mtd); diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c index a69302b..b8f5e41 100644 --- a/drivers/mtd/nand/sunxi_nand.c +++ b/drivers/mtd/nand/sunxi_nand.c @@ -234,7 +234,6 @@ struct sunxi_nand_hw_ecc { struct sunxi_nand_chip { struct list_head node; struct nand_chip nand; - struct mtd_info mtd; unsigned long clk_rate; u32 timing_cfg; u32 timing_ctl; @@ -1008,12 +1007,14 @@ static int sunxi_nand_chip_init_timings(struct sunxi_nand_chip *chip, feature[0] = mode; for (i = 0; i < chip->nsels; i++) { - chip->nand.select_chip(&chip->mtd, i); - ret = chip->nand.onfi_set_features(&chip->mtd, + chip->nand.select_chip(nand_to_mtd(&chip->nand), + i); + ret = chip->nand.onfi_set_features(nand_to_mtd(&chip->nand), &chip->nand, ONFI_FEATURE_ADDR_TIMING_MODE, feature); - chip->nand.select_chip(&chip->mtd, -1); + chip->nand.select_chip(nand_to_mtd(&chip->nand), + -1); if (ret) return ret; } @@ -1336,7 +1337,7 @@ static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc, nand->write_buf = sunxi_nfc_write_buf; nand->read_byte = sunxi_nfc_read_byte; - mtd = &chip->mtd; + mtd = nand_to_mtd(&chip->nand); mtd->dev.parent = dev; mtd->priv = nand; @@ -1405,7 +1406,7 @@ static void sunxi_nand_chips_cleanup(struct sunxi_nfc *nfc) while (!list_empty(&nfc->chips)) { chip = list_first_entry(&nfc->chips, struct sunxi_nand_chip, node); - nand_release(&chip->mtd); + nand_release(nand_to_mtd(&chip->nand)); sunxi_nand_ecc_cleanup(&chip->nand.ecc); list_del(&chip->node); } diff --git a/drivers/mtd/nand/tmio_nand.c b/drivers/mtd/nand/tmio_nand.c index 6d0cbe9..127c382 100644 --- a/drivers/mtd/nand/tmio_nand.c +++ b/drivers/mtd/nand/tmio_nand.c @@ -103,7 +103,6 @@ /*--------------------------------------------------------------------------*/ struct tmio_nand { - struct mtd_info mtd; struct nand_chip chip; struct platform_device *dev; @@ -119,7 +118,7 @@ struct tmio_nand { unsigned read_good:1; }; -#define mtd_to_tmio(m) container_of(m, struct tmio_nand, mtd) +#define mtd_to_tmio(m) container_of(mtd_to_nand(m), struct tmio_nand, chip) /*--------------------------------------------------------------------------*/ @@ -378,7 +377,7 @@ static int tmio_probe(struct platform_device *dev) tmio->dev = dev; platform_set_drvdata(dev, tmio); - mtd = &tmio->mtd; + mtd = nand_to_mtd(&tmio->chip); nand_chip = &tmio->chip; mtd->priv = nand_chip; mtd->name = "tmio-nand"; @@ -456,7 +455,7 @@ static int tmio_remove(struct platform_device *dev) { struct tmio_nand *tmio = platform_get_drvdata(dev); - nand_release(&tmio->mtd); + nand_release(nand_to_mtd(&tmio->chip)); tmio_hw_stop(dev, tmio); return 0; } diff --git a/drivers/mtd/nand/txx9ndfmc.c b/drivers/mtd/nand/txx9ndfmc.c index ff9afb1..fa7cd49 100644 --- a/drivers/mtd/nand/txx9ndfmc.c +++ b/drivers/mtd/nand/txx9ndfmc.c @@ -63,7 +63,6 @@ struct txx9ndfmc_priv { struct platform_device *dev; struct nand_chip chip; - struct mtd_info mtd; int cs; const char *mtdname; }; @@ -322,7 +321,7 @@ static int __init txx9ndfmc_probe(struct platform_device *dev) if (!txx9_priv) continue; chip = &txx9_priv->chip; - mtd = &txx9_priv->mtd; + mtd = nand_to_mtd(&txx9_priv->chip); mtd->dev.parent = &dev->dev; mtd->priv = chip; diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/vf610_nfc.c index 1c86c6b..a1cbd35 100644 --- a/drivers/mtd/nand/vf610_nfc.c +++ b/drivers/mtd/nand/vf610_nfc.c @@ -156,7 +156,6 @@ enum vf610_nfc_variant { }; struct vf610_nfc { - struct mtd_info mtd; struct nand_chip chip; struct device *dev; void __iomem *regs; @@ -171,7 +170,7 @@ struct vf610_nfc { u32 ecc_mode; }; -#define mtd_to_nfc(_mtd) container_of(_mtd, struct vf610_nfc, mtd) +#define mtd_to_nfc(_mtd) container_of(mtd_to_nand(_mtd), struct vf610_nfc, chip) static struct nand_ecclayout vf610_nfc_ecc45 = { .eccbytes = 45, @@ -674,7 +673,7 @@ static int vf610_nfc_probe(struct platform_device *pdev) return -ENOMEM; nfc->dev = &pdev->dev; - mtd = &nfc->mtd; + mtd = nand_to_mtd(&nfc->chip); chip = &nfc->chip; mtd->priv = chip; diff --git a/include/linux/mtd/sh_flctl.h b/include/linux/mtd/sh_flctl.h index 1c28f88..ac53f55 100644 --- a/include/linux/mtd/sh_flctl.h +++ b/include/linux/mtd/sh_flctl.h @@ -143,7 +143,6 @@ enum flctl_ecc_res_t { struct dma_chan; struct sh_flctl { - struct mtd_info mtd; struct nand_chip chip; struct platform_device *pdev; struct dev_pm_qos_request pm_qos; @@ -186,7 +185,7 @@ struct sh_flctl_platform_data { static inline struct sh_flctl *mtd_to_flctl(struct mtd_info *mtdinfo) { - return container_of(mtdinfo, struct sh_flctl, mtd); + return container_of(mtd_to_nand_chip(mtdinfo), struct sh_flctl, chip); } #endif /* __SH_FLCTL_H__ */ -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
