There is no in-kernel user that uses platform data. Hide it. This will allow the further cleanups to the driver. Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> --- drivers/mmc/host/atmel-mci.c | 75 ++++++++++++++++++++---------------- include/linux/atmel-mci.h | 46 ---------------------- 2 files changed, 41 insertions(+), 80 deletions(-) delete mode 100644 include/linux/atmel-mci.h diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index b51001c68786..fad5e6b4c654 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -30,7 +30,6 @@ #include <linux/mmc/host.h> #include <linux/mmc/sdio.h> -#include <linux/atmel-mci.h> #include <linux/atmel_pdc.h> #include <linux/pm.h> #include <linux/pm_runtime.h> @@ -40,6 +39,41 @@ #include <asm/io.h> #include <asm/unaligned.h> +#define ATMCI_MAX_NR_SLOTS 2 + +/** + * struct mci_slot_pdata - board-specific per-slot configuration + * @bus_width: Number of data lines wired up the slot + * @detect_pin: GPIO pin wired to the card detect switch + * @wp_pin: GPIO pin wired to the write protect sensor + * @detect_is_active_high: The state of the detect pin when it is active + * @non_removable: The slot is not removable, only detect once + * + * If a given slot is not present on the board, @bus_width should be + * set to 0. The other fields are ignored in this case. + * + * Any pins that aren't available should be set to a negative value. + * + * Note that support for multiple slots is experimental -- some cards + * might get upset if we don't get the clock management exactly right. + * But in most cases, it should work just fine. + */ +struct mci_slot_pdata { + unsigned int bus_width; + int detect_pin; + int wp_pin; + bool detect_is_active_high; + bool non_removable; +}; + +/** + * struct mci_platform_data - board-specific MMC/SDcard configuration + * @slot: Per-slot configuration data. + */ +struct mci_platform_data { + struct mci_slot_pdata slot[ATMCI_MAX_NR_SLOTS]; +}; + /* * Superset of MCI IP registers integrated in Atmel AT91 Processor * Registers and bitfields marked with [2] are only available in MCI2 @@ -593,7 +627,6 @@ static void atmci_init_debugfs(struct atmel_mci_slot *slot) &host->completed_events); } -#if defined(CONFIG_OF) static const struct of_device_id atmci_dt_ids[] = { { .compatible = "atmel,hsmci" }, { /* sentinel */ } @@ -651,13 +684,6 @@ atmci_of_init(struct platform_device *pdev) return pdata; } -#else /* CONFIG_OF */ -static inline struct mci_platform_data* -atmci_of_init(struct platform_device *dev) -{ - return ERR_PTR(-EINVAL); -} -#endif static inline unsigned int atmci_get_version(struct atmel_mci *host) { @@ -2353,23 +2379,6 @@ static void atmci_cleanup_slot(struct atmel_mci_slot *slot, static int atmci_configure_dma(struct atmel_mci *host) { host->dma.chan = dma_request_chan(&host->pdev->dev, "rxtx"); - - if (PTR_ERR(host->dma.chan) == -ENODEV) { - struct mci_platform_data *pdata = host->pdev->dev.platform_data; - dma_cap_mask_t mask; - - if (!pdata || !pdata->dma_filter) - return -ENODEV; - - dma_cap_zero(mask); - dma_cap_set(DMA_SLAVE, mask); - - host->dma.chan = dma_request_channel(mask, pdata->dma_filter, - pdata->dma_slave); - if (!host->dma.chan) - host->dma.chan = ERR_PTR(-ENODEV); - } - if (IS_ERR(host->dma.chan)) return PTR_ERR(host->dma.chan); @@ -2457,13 +2466,11 @@ static int atmci_probe(struct platform_device *pdev) regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!regs) return -ENXIO; - pdata = pdev->dev.platform_data; - if (!pdata) { - pdata = atmci_of_init(pdev); - if (IS_ERR(pdata)) { - dev_err(&pdev->dev, "platform data not available\n"); - return PTR_ERR(pdata); - } + + pdata = atmci_of_init(pdev); + if (IS_ERR(pdata)) { + dev_err(&pdev->dev, "platform data not available\n"); + return PTR_ERR(pdata); } irq = platform_get_irq(pdev, 0); @@ -2668,7 +2675,7 @@ static struct platform_driver atmci_driver = { .driver = { .name = "atmel_mci", .probe_type = PROBE_PREFER_ASYNCHRONOUS, - .of_match_table = of_match_ptr(atmci_dt_ids), + .of_match_table = atmci_dt_ids, .pm = &atmci_dev_pm_ops, }, }; diff --git a/include/linux/atmel-mci.h b/include/linux/atmel-mci.h deleted file mode 100644 index 1491af38cc6e..000000000000 --- a/include/linux/atmel-mci.h +++ /dev/null @@ -1,46 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __LINUX_ATMEL_MCI_H -#define __LINUX_ATMEL_MCI_H - -#include <linux/types.h> -#include <linux/dmaengine.h> - -#define ATMCI_MAX_NR_SLOTS 2 - -/** - * struct mci_slot_pdata - board-specific per-slot configuration - * @bus_width: Number of data lines wired up the slot - * @detect_pin: GPIO pin wired to the card detect switch - * @wp_pin: GPIO pin wired to the write protect sensor - * @detect_is_active_high: The state of the detect pin when it is active - * @non_removable: The slot is not removable, only detect once - * - * If a given slot is not present on the board, @bus_width should be - * set to 0. The other fields are ignored in this case. - * - * Any pins that aren't available should be set to a negative value. - * - * Note that support for multiple slots is experimental -- some cards - * might get upset if we don't get the clock management exactly right. - * But in most cases, it should work just fine. - */ -struct mci_slot_pdata { - unsigned int bus_width; - int detect_pin; - int wp_pin; - bool detect_is_active_high; - bool non_removable; -}; - -/** - * struct mci_platform_data - board-specific MMC/SDcard configuration - * @dma_slave: DMA slave interface to use in data transfers. - * @slot: Per-slot configuration data. - */ -struct mci_platform_data { - void *dma_slave; - dma_filter_fn dma_filter; - struct mci_slot_pdata slot[ATMCI_MAX_NR_SLOTS]; -}; - -#endif /* __LINUX_ATMEL_MCI_H */ -- 2.39.1