Linus pulled the latest stuff (incl. Alan and Tejun's stuff) already. The 'upstream' branch of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev.git contains the following updates: drivers/scsi/libata-bmdma.c | 234 ++++++++++++++++++++++++++++++++++++++++++++ drivers/scsi/libata-core.c | 234 -------------------------------------------- drivers/scsi/sata_nv.c | 181 +++++++++++----------------------- drivers/scsi/sata_sil24.c | 23 +--- drivers/scsi/sata_uli.c | 37 +++++- 5 files changed, 333 insertions(+), 376 deletions(-) Jeff Garzik: [libata sata_sil24] cleanups: use pci_iomap(), kzalloc() [libata sata_nv] cleanups: convert #defines to enums; remove in-file history [libata sata_nv] eliminate duplicate codepaths with iomap [libata sata_uli] kill scr_addr abuse [libata] Move some bmdma-specific code to libata-bmdma.c diff --git a/drivers/scsi/libata-bmdma.c b/drivers/scsi/libata-bmdma.c index 96b4d21..a00a78b 100644 --- a/drivers/scsi/libata-bmdma.c +++ b/drivers/scsi/libata-bmdma.c @@ -418,6 +418,240 @@ u8 ata_altstatus(struct ata_port *ap) return inb(ap->ioaddr.altstatus_addr); } +/** + * ata_bmdma_setup_mmio - Set up PCI IDE BMDMA transaction + * @qc: Info associated with this ATA transaction. + * + * LOCKING: + * spin_lock_irqsave(host_set lock) + */ + +static void ata_bmdma_setup_mmio (struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE); + u8 dmactl; + void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; + + /* load PRD table addr. */ + mb(); /* make sure PRD table writes are visible to controller */ + writel(ap->prd_dma, mmio + ATA_DMA_TABLE_OFS); + + /* specify data direction, triple-check start bit is clear */ + dmactl = readb(mmio + ATA_DMA_CMD); + dmactl &= ~(ATA_DMA_WR | ATA_DMA_START); + if (!rw) + dmactl |= ATA_DMA_WR; + writeb(dmactl, mmio + ATA_DMA_CMD); + + /* issue r/w command */ + ap->ops->exec_command(ap, &qc->tf); +} + +/** + * ata_bmdma_start_mmio - Start a PCI IDE BMDMA transaction + * @qc: Info associated with this ATA transaction. + * + * LOCKING: + * spin_lock_irqsave(host_set lock) + */ + +static void ata_bmdma_start_mmio (struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; + u8 dmactl; + + /* start host DMA transaction */ + dmactl = readb(mmio + ATA_DMA_CMD); + writeb(dmactl | ATA_DMA_START, mmio + ATA_DMA_CMD); + + /* Strictly, one may wish to issue a readb() here, to + * flush the mmio write. However, control also passes + * to the hardware at this point, and it will interrupt + * us when we are to resume control. So, in effect, + * we don't care when the mmio write flushes. + * Further, a read of the DMA status register _immediately_ + * following the write may not be what certain flaky hardware + * is expected, so I think it is best to not add a readb() + * without first all the MMIO ATA cards/mobos. + * Or maybe I'm just being paranoid. + */ +} + +/** + * ata_bmdma_setup_pio - Set up PCI IDE BMDMA transaction (PIO) + * @qc: Info associated with this ATA transaction. + * + * LOCKING: + * spin_lock_irqsave(host_set lock) + */ + +static void ata_bmdma_setup_pio (struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE); + u8 dmactl; + + /* load PRD table addr. */ + outl(ap->prd_dma, ap->ioaddr.bmdma_addr + ATA_DMA_TABLE_OFS); + + /* specify data direction, triple-check start bit is clear */ + dmactl = inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); + dmactl &= ~(ATA_DMA_WR | ATA_DMA_START); + if (!rw) + dmactl |= ATA_DMA_WR; + outb(dmactl, ap->ioaddr.bmdma_addr + ATA_DMA_CMD); + + /* issue r/w command */ + ap->ops->exec_command(ap, &qc->tf); +} + +/** + * ata_bmdma_start_pio - Start a PCI IDE BMDMA transaction (PIO) + * @qc: Info associated with this ATA transaction. + * + * LOCKING: + * spin_lock_irqsave(host_set lock) + */ + +static void ata_bmdma_start_pio (struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + u8 dmactl; + + /* start host DMA transaction */ + dmactl = inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); + outb(dmactl | ATA_DMA_START, + ap->ioaddr.bmdma_addr + ATA_DMA_CMD); +} + + +/** + * ata_bmdma_start - Start a PCI IDE BMDMA transaction + * @qc: Info associated with this ATA transaction. + * + * Writes the ATA_DMA_START flag to the DMA command register. + * + * May be used as the bmdma_start() entry in ata_port_operations. + * + * LOCKING: + * spin_lock_irqsave(host_set lock) + */ +void ata_bmdma_start(struct ata_queued_cmd *qc) +{ + if (qc->ap->flags & ATA_FLAG_MMIO) + ata_bmdma_start_mmio(qc); + else + ata_bmdma_start_pio(qc); +} + + +/** + * ata_bmdma_setup - Set up PCI IDE BMDMA transaction + * @qc: Info associated with this ATA transaction. + * + * Writes address of PRD table to device's PRD Table Address + * register, sets the DMA control register, and calls + * ops->exec_command() to start the transfer. + * + * May be used as the bmdma_setup() entry in ata_port_operations. + * + * LOCKING: + * spin_lock_irqsave(host_set lock) + */ +void ata_bmdma_setup(struct ata_queued_cmd *qc) +{ + if (qc->ap->flags & ATA_FLAG_MMIO) + ata_bmdma_setup_mmio(qc); + else + ata_bmdma_setup_pio(qc); +} + + +/** + * ata_bmdma_irq_clear - Clear PCI IDE BMDMA interrupt. + * @ap: Port associated with this ATA transaction. + * + * Clear interrupt and error flags in DMA status register. + * + * May be used as the irq_clear() entry in ata_port_operations. + * + * LOCKING: + * spin_lock_irqsave(host_set lock) + */ + +void ata_bmdma_irq_clear(struct ata_port *ap) +{ + if (!ap->ioaddr.bmdma_addr) + return; + + if (ap->flags & ATA_FLAG_MMIO) { + void __iomem *mmio = + ((void __iomem *) ap->ioaddr.bmdma_addr) + ATA_DMA_STATUS; + writeb(readb(mmio), mmio); + } else { + unsigned long addr = ap->ioaddr.bmdma_addr + ATA_DMA_STATUS; + outb(inb(addr), addr); + } +} + + +/** + * ata_bmdma_status - Read PCI IDE BMDMA status + * @ap: Port associated with this ATA transaction. + * + * Read and return BMDMA status register. + * + * May be used as the bmdma_status() entry in ata_port_operations. + * + * LOCKING: + * spin_lock_irqsave(host_set lock) + */ + +u8 ata_bmdma_status(struct ata_port *ap) +{ + u8 host_stat; + if (ap->flags & ATA_FLAG_MMIO) { + void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; + host_stat = readb(mmio + ATA_DMA_STATUS); + } else + host_stat = inb(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); + return host_stat; +} + + +/** + * ata_bmdma_stop - Stop PCI IDE BMDMA transfer + * @qc: Command we are ending DMA for + * + * Clears the ATA_DMA_START flag in the dma control register + * + * May be used as the bmdma_stop() entry in ata_port_operations. + * + * LOCKING: + * spin_lock_irqsave(host_set lock) + */ + +void ata_bmdma_stop(struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + if (ap->flags & ATA_FLAG_MMIO) { + void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; + + /* clear start/stop bit */ + writeb(readb(mmio + ATA_DMA_CMD) & ~ATA_DMA_START, + mmio + ATA_DMA_CMD); + } else { + /* clear start/stop bit */ + outb(inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD) & ~ATA_DMA_START, + ap->ioaddr.bmdma_addr + ATA_DMA_CMD); + } + + /* one-PIO-cycle guaranteed wait, per spec, for HDMA1:0 transition */ + ata_altstatus(ap); /* dummy read */ +} + #ifdef CONFIG_PCI static struct ata_probe_ent * ata_probe_ent_alloc(struct device *dev, const struct ata_port_info *port) diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 0314abd..f3c115b 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -4065,240 +4065,6 @@ unsigned int ata_qc_issue_prot(struct at } /** - * ata_bmdma_setup_mmio - Set up PCI IDE BMDMA transaction - * @qc: Info associated with this ATA transaction. - * - * LOCKING: - * spin_lock_irqsave(host_set lock) - */ - -static void ata_bmdma_setup_mmio (struct ata_queued_cmd *qc) -{ - struct ata_port *ap = qc->ap; - unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE); - u8 dmactl; - void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; - - /* load PRD table addr. */ - mb(); /* make sure PRD table writes are visible to controller */ - writel(ap->prd_dma, mmio + ATA_DMA_TABLE_OFS); - - /* specify data direction, triple-check start bit is clear */ - dmactl = readb(mmio + ATA_DMA_CMD); - dmactl &= ~(ATA_DMA_WR | ATA_DMA_START); - if (!rw) - dmactl |= ATA_DMA_WR; - writeb(dmactl, mmio + ATA_DMA_CMD); - - /* issue r/w command */ - ap->ops->exec_command(ap, &qc->tf); -} - -/** - * ata_bmdma_start_mmio - Start a PCI IDE BMDMA transaction - * @qc: Info associated with this ATA transaction. - * - * LOCKING: - * spin_lock_irqsave(host_set lock) - */ - -static void ata_bmdma_start_mmio (struct ata_queued_cmd *qc) -{ - struct ata_port *ap = qc->ap; - void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; - u8 dmactl; - - /* start host DMA transaction */ - dmactl = readb(mmio + ATA_DMA_CMD); - writeb(dmactl | ATA_DMA_START, mmio + ATA_DMA_CMD); - - /* Strictly, one may wish to issue a readb() here, to - * flush the mmio write. However, control also passes - * to the hardware at this point, and it will interrupt - * us when we are to resume control. So, in effect, - * we don't care when the mmio write flushes. - * Further, a read of the DMA status register _immediately_ - * following the write may not be what certain flaky hardware - * is expected, so I think it is best to not add a readb() - * without first all the MMIO ATA cards/mobos. - * Or maybe I'm just being paranoid. - */ -} - -/** - * ata_bmdma_setup_pio - Set up PCI IDE BMDMA transaction (PIO) - * @qc: Info associated with this ATA transaction. - * - * LOCKING: - * spin_lock_irqsave(host_set lock) - */ - -static void ata_bmdma_setup_pio (struct ata_queued_cmd *qc) -{ - struct ata_port *ap = qc->ap; - unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE); - u8 dmactl; - - /* load PRD table addr. */ - outl(ap->prd_dma, ap->ioaddr.bmdma_addr + ATA_DMA_TABLE_OFS); - - /* specify data direction, triple-check start bit is clear */ - dmactl = inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); - dmactl &= ~(ATA_DMA_WR | ATA_DMA_START); - if (!rw) - dmactl |= ATA_DMA_WR; - outb(dmactl, ap->ioaddr.bmdma_addr + ATA_DMA_CMD); - - /* issue r/w command */ - ap->ops->exec_command(ap, &qc->tf); -} - -/** - * ata_bmdma_start_pio - Start a PCI IDE BMDMA transaction (PIO) - * @qc: Info associated with this ATA transaction. - * - * LOCKING: - * spin_lock_irqsave(host_set lock) - */ - -static void ata_bmdma_start_pio (struct ata_queued_cmd *qc) -{ - struct ata_port *ap = qc->ap; - u8 dmactl; - - /* start host DMA transaction */ - dmactl = inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); - outb(dmactl | ATA_DMA_START, - ap->ioaddr.bmdma_addr + ATA_DMA_CMD); -} - - -/** - * ata_bmdma_start - Start a PCI IDE BMDMA transaction - * @qc: Info associated with this ATA transaction. - * - * Writes the ATA_DMA_START flag to the DMA command register. - * - * May be used as the bmdma_start() entry in ata_port_operations. - * - * LOCKING: - * spin_lock_irqsave(host_set lock) - */ -void ata_bmdma_start(struct ata_queued_cmd *qc) -{ - if (qc->ap->flags & ATA_FLAG_MMIO) - ata_bmdma_start_mmio(qc); - else - ata_bmdma_start_pio(qc); -} - - -/** - * ata_bmdma_setup - Set up PCI IDE BMDMA transaction - * @qc: Info associated with this ATA transaction. - * - * Writes address of PRD table to device's PRD Table Address - * register, sets the DMA control register, and calls - * ops->exec_command() to start the transfer. - * - * May be used as the bmdma_setup() entry in ata_port_operations. - * - * LOCKING: - * spin_lock_irqsave(host_set lock) - */ -void ata_bmdma_setup(struct ata_queued_cmd *qc) -{ - if (qc->ap->flags & ATA_FLAG_MMIO) - ata_bmdma_setup_mmio(qc); - else - ata_bmdma_setup_pio(qc); -} - - -/** - * ata_bmdma_irq_clear - Clear PCI IDE BMDMA interrupt. - * @ap: Port associated with this ATA transaction. - * - * Clear interrupt and error flags in DMA status register. - * - * May be used as the irq_clear() entry in ata_port_operations. - * - * LOCKING: - * spin_lock_irqsave(host_set lock) - */ - -void ata_bmdma_irq_clear(struct ata_port *ap) -{ - if (!ap->ioaddr.bmdma_addr) - return; - - if (ap->flags & ATA_FLAG_MMIO) { - void __iomem *mmio = - ((void __iomem *) ap->ioaddr.bmdma_addr) + ATA_DMA_STATUS; - writeb(readb(mmio), mmio); - } else { - unsigned long addr = ap->ioaddr.bmdma_addr + ATA_DMA_STATUS; - outb(inb(addr), addr); - } -} - - -/** - * ata_bmdma_status - Read PCI IDE BMDMA status - * @ap: Port associated with this ATA transaction. - * - * Read and return BMDMA status register. - * - * May be used as the bmdma_status() entry in ata_port_operations. - * - * LOCKING: - * spin_lock_irqsave(host_set lock) - */ - -u8 ata_bmdma_status(struct ata_port *ap) -{ - u8 host_stat; - if (ap->flags & ATA_FLAG_MMIO) { - void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; - host_stat = readb(mmio + ATA_DMA_STATUS); - } else - host_stat = inb(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); - return host_stat; -} - - -/** - * ata_bmdma_stop - Stop PCI IDE BMDMA transfer - * @qc: Command we are ending DMA for - * - * Clears the ATA_DMA_START flag in the dma control register - * - * May be used as the bmdma_stop() entry in ata_port_operations. - * - * LOCKING: - * spin_lock_irqsave(host_set lock) - */ - -void ata_bmdma_stop(struct ata_queued_cmd *qc) -{ - struct ata_port *ap = qc->ap; - if (ap->flags & ATA_FLAG_MMIO) { - void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; - - /* clear start/stop bit */ - writeb(readb(mmio + ATA_DMA_CMD) & ~ATA_DMA_START, - mmio + ATA_DMA_CMD); - } else { - /* clear start/stop bit */ - outb(inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD) & ~ATA_DMA_START, - ap->ioaddr.bmdma_addr + ATA_DMA_CMD); - } - - /* one-PIO-cycle guaranteed wait, per spec, for HDMA1:0 transition */ - ata_altstatus(ap); /* dummy read */ -} - -/** * ata_host_intr - Handle host interrupt for given (port, task) * @ap: Port on which interrupt arrived (possibly...) * @qc: Taskfile currently active in engine diff --git a/drivers/scsi/sata_nv.c b/drivers/scsi/sata_nv.c index e5b20c6..f77bf18 100644 --- a/drivers/scsi/sata_nv.c +++ b/drivers/scsi/sata_nv.c @@ -29,34 +29,6 @@ * NV-specific details such as register offsets, SATA phy location, * hotplug info, etc. * - * 0.10 - * - Fixed spurious interrupts issue seen with the Maxtor 6H500F0 500GB - * drive. Also made the check_hotplug() callbacks return whether there - * was a hotplug interrupt or not. This was not the source of the - * spurious interrupts, but is the right thing to do anyway. - * - * 0.09 - * - Fixed bug introduced by 0.08's MCP51 and MCP55 support. - * - * 0.08 - * - Added support for MCP51 and MCP55. - * - * 0.07 - * - Added support for RAID class code. - * - * 0.06 - * - Added generic SATA support by using a pci_device_id that filters on - * the IDE storage class code. - * - * 0.03 - * - Fixed a bug where the hotplug handlers for non-CK804/MCP04 were using - * mmio_base, which is only set for the CK804/MCP04 case. - * - * 0.02 - * - Added support for CK804 SATA controller. - * - * 0.01 - * - Initial revision. */ #include <linux/config.h> @@ -74,53 +46,55 @@ #define DRV_NAME "sata_nv" #define DRV_VERSION "0.8" -#define NV_PORTS 2 -#define NV_PIO_MASK 0x1f -#define NV_MWDMA_MASK 0x07 -#define NV_UDMA_MASK 0x7f -#define NV_PORT0_SCR_REG_OFFSET 0x00 -#define NV_PORT1_SCR_REG_OFFSET 0x40 - -#define NV_INT_STATUS 0x10 -#define NV_INT_STATUS_CK804 0x440 -#define NV_INT_STATUS_PDEV_INT 0x01 -#define NV_INT_STATUS_PDEV_PM 0x02 -#define NV_INT_STATUS_PDEV_ADDED 0x04 -#define NV_INT_STATUS_PDEV_REMOVED 0x08 -#define NV_INT_STATUS_SDEV_INT 0x10 -#define NV_INT_STATUS_SDEV_PM 0x20 -#define NV_INT_STATUS_SDEV_ADDED 0x40 -#define NV_INT_STATUS_SDEV_REMOVED 0x80 -#define NV_INT_STATUS_PDEV_HOTPLUG (NV_INT_STATUS_PDEV_ADDED | \ - NV_INT_STATUS_PDEV_REMOVED) -#define NV_INT_STATUS_SDEV_HOTPLUG (NV_INT_STATUS_SDEV_ADDED | \ - NV_INT_STATUS_SDEV_REMOVED) -#define NV_INT_STATUS_HOTPLUG (NV_INT_STATUS_PDEV_HOTPLUG | \ - NV_INT_STATUS_SDEV_HOTPLUG) - -#define NV_INT_ENABLE 0x11 -#define NV_INT_ENABLE_CK804 0x441 -#define NV_INT_ENABLE_PDEV_MASK 0x01 -#define NV_INT_ENABLE_PDEV_PM 0x02 -#define NV_INT_ENABLE_PDEV_ADDED 0x04 -#define NV_INT_ENABLE_PDEV_REMOVED 0x08 -#define NV_INT_ENABLE_SDEV_MASK 0x10 -#define NV_INT_ENABLE_SDEV_PM 0x20 -#define NV_INT_ENABLE_SDEV_ADDED 0x40 -#define NV_INT_ENABLE_SDEV_REMOVED 0x80 -#define NV_INT_ENABLE_PDEV_HOTPLUG (NV_INT_ENABLE_PDEV_ADDED | \ - NV_INT_ENABLE_PDEV_REMOVED) -#define NV_INT_ENABLE_SDEV_HOTPLUG (NV_INT_ENABLE_SDEV_ADDED | \ - NV_INT_ENABLE_SDEV_REMOVED) -#define NV_INT_ENABLE_HOTPLUG (NV_INT_ENABLE_PDEV_HOTPLUG | \ - NV_INT_ENABLE_SDEV_HOTPLUG) - -#define NV_INT_CONFIG 0x12 -#define NV_INT_CONFIG_METHD 0x01 // 0 = INT, 1 = SMI - -// For PCI config register 20 -#define NV_MCP_SATA_CFG_20 0x50 -#define NV_MCP_SATA_CFG_20_SATA_SPACE_EN 0x04 +enum { + NV_PORTS = 2, + NV_PIO_MASK = 0x1f, + NV_MWDMA_MASK = 0x07, + NV_UDMA_MASK = 0x7f, + NV_PORT0_SCR_REG_OFFSET = 0x00, + NV_PORT1_SCR_REG_OFFSET = 0x40, + + NV_INT_STATUS = 0x10, + NV_INT_STATUS_CK804 = 0x440, + NV_INT_STATUS_PDEV_INT = 0x01, + NV_INT_STATUS_PDEV_PM = 0x02, + NV_INT_STATUS_PDEV_ADDED = 0x04, + NV_INT_STATUS_PDEV_REMOVED = 0x08, + NV_INT_STATUS_SDEV_INT = 0x10, + NV_INT_STATUS_SDEV_PM = 0x20, + NV_INT_STATUS_SDEV_ADDED = 0x40, + NV_INT_STATUS_SDEV_REMOVED = 0x80, + NV_INT_STATUS_PDEV_HOTPLUG = (NV_INT_STATUS_PDEV_ADDED | + NV_INT_STATUS_PDEV_REMOVED), + NV_INT_STATUS_SDEV_HOTPLUG = (NV_INT_STATUS_SDEV_ADDED | + NV_INT_STATUS_SDEV_REMOVED), + NV_INT_STATUS_HOTPLUG = (NV_INT_STATUS_PDEV_HOTPLUG | + NV_INT_STATUS_SDEV_HOTPLUG), + + NV_INT_ENABLE = 0x11, + NV_INT_ENABLE_CK804 = 0x441, + NV_INT_ENABLE_PDEV_MASK = 0x01, + NV_INT_ENABLE_PDEV_PM = 0x02, + NV_INT_ENABLE_PDEV_ADDED = 0x04, + NV_INT_ENABLE_PDEV_REMOVED = 0x08, + NV_INT_ENABLE_SDEV_MASK = 0x10, + NV_INT_ENABLE_SDEV_PM = 0x20, + NV_INT_ENABLE_SDEV_ADDED = 0x40, + NV_INT_ENABLE_SDEV_REMOVED = 0x80, + NV_INT_ENABLE_PDEV_HOTPLUG = (NV_INT_ENABLE_PDEV_ADDED | + NV_INT_ENABLE_PDEV_REMOVED), + NV_INT_ENABLE_SDEV_HOTPLUG = (NV_INT_ENABLE_SDEV_ADDED | + NV_INT_ENABLE_SDEV_REMOVED), + NV_INT_ENABLE_HOTPLUG = (NV_INT_ENABLE_PDEV_HOTPLUG | + NV_INT_ENABLE_SDEV_HOTPLUG), + + NV_INT_CONFIG = 0x12, + NV_INT_CONFIG_METHD = 0x01, // 0 = INT, 1 = SMI + + // For PCI config register 20 + NV_MCP_SATA_CFG_20 = 0x50, + NV_MCP_SATA_CFG_20_SATA_SPACE_EN = 0x04, +}; static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent); static irqreturn_t nv_interrupt (int irq, void *dev_instance, @@ -175,8 +149,6 @@ static const struct pci_device_id nv_pci { 0, } /* terminate list */ }; -#define NV_HOST_FLAGS_SCR_MMIO 0x00000001 - struct nv_host_desc { enum nv_host_type host_type; @@ -332,36 +304,23 @@ static irqreturn_t nv_interrupt (int irq static u32 nv_scr_read (struct ata_port *ap, unsigned int sc_reg) { - struct ata_host_set *host_set = ap->host_set; - struct nv_host *host = host_set->private_data; - if (sc_reg > SCR_CONTROL) return 0xffffffffU; - if (host->host_flags & NV_HOST_FLAGS_SCR_MMIO) - return readl((void __iomem *)ap->ioaddr.scr_addr + (sc_reg * 4)); - else - return inl(ap->ioaddr.scr_addr + (sc_reg * 4)); + return ioread32((void __iomem *)ap->ioaddr.scr_addr + (sc_reg * 4)); } static void nv_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val) { - struct ata_host_set *host_set = ap->host_set; - struct nv_host *host = host_set->private_data; - if (sc_reg > SCR_CONTROL) return; - if (host->host_flags & NV_HOST_FLAGS_SCR_MMIO) - writel(val, (void __iomem *)ap->ioaddr.scr_addr + (sc_reg * 4)); - else - outl(val, ap->ioaddr.scr_addr + (sc_reg * 4)); + iowrite32(val, (void __iomem *)ap->ioaddr.scr_addr + (sc_reg * 4)); } static void nv_host_stop (struct ata_host_set *host_set) { struct nv_host *host = host_set->private_data; - struct pci_dev *pdev = to_pci_dev(host_set->dev); // Disable hotplug event interrupts. if (host->host_desc->disable_hotplug) @@ -369,8 +328,7 @@ static void nv_host_stop (struct ata_hos kfree(host); - if (host_set->mmio_base) - pci_iounmap(pdev, host_set->mmio_base); + ata_pci_host_stop(host_set); } static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) @@ -382,6 +340,7 @@ static int nv_init_one (struct pci_dev * int pci_dev_busy = 0; int rc; u32 bar; + unsigned long base; // Make sure this is a SATA controller by counting the number of bars // (NVIDIA SATA controllers will always have six bars). Otherwise, @@ -426,31 +385,16 @@ static int nv_init_one (struct pci_dev * probe_ent->private_data = host; - if (pci_resource_flags(pdev, 5) & IORESOURCE_MEM) - host->host_flags |= NV_HOST_FLAGS_SCR_MMIO; - - if (host->host_flags & NV_HOST_FLAGS_SCR_MMIO) { - unsigned long base; - - probe_ent->mmio_base = pci_iomap(pdev, 5, 0); - if (probe_ent->mmio_base == NULL) { - rc = -EIO; - goto err_out_free_host; - } + probe_ent->mmio_base = pci_iomap(pdev, 5, 0); + if (!probe_ent->mmio_base) { + rc = -EIO; + goto err_out_free_host; + } - base = (unsigned long)probe_ent->mmio_base; + base = (unsigned long)probe_ent->mmio_base; - probe_ent->port[0].scr_addr = - base + NV_PORT0_SCR_REG_OFFSET; - probe_ent->port[1].scr_addr = - base + NV_PORT1_SCR_REG_OFFSET; - } else { - - probe_ent->port[0].scr_addr = - pci_resource_start(pdev, 5) | NV_PORT0_SCR_REG_OFFSET; - probe_ent->port[1].scr_addr = - pci_resource_start(pdev, 5) | NV_PORT1_SCR_REG_OFFSET; - } + probe_ent->port[0].scr_addr = base + NV_PORT0_SCR_REG_OFFSET; + probe_ent->port[1].scr_addr = base + NV_PORT1_SCR_REG_OFFSET; pci_set_master(pdev); @@ -467,8 +411,7 @@ static int nv_init_one (struct pci_dev * return 0; err_out_iounmap: - if (host->host_flags & NV_HOST_FLAGS_SCR_MMIO) - pci_iounmap(pdev, probe_ent->mmio_base); + pci_iounmap(pdev, probe_ent->mmio_base); err_out_free_host: kfree(host); err_out_free_ent: diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c index 5d01e5c..3efebea 100644 --- a/drivers/scsi/sata_sil24.c +++ b/drivers/scsi/sata_sil24.c @@ -842,9 +842,10 @@ static void sil24_port_stop(struct ata_p static void sil24_host_stop(struct ata_host_set *host_set) { struct sil24_host_priv *hpriv = host_set->private_data; + struct pci_dev *pdev = to_pci_dev(host_set->dev); - iounmap(hpriv->host_base); - iounmap(hpriv->port_base); + pci_iounmap(pdev, hpriv->host_base); + pci_iounmap(pdev, hpriv->port_base); kfree(hpriv); } @@ -871,26 +872,23 @@ static int sil24_init_one(struct pci_dev goto out_disable; rc = -ENOMEM; - /* ioremap mmio registers */ - host_base = ioremap(pci_resource_start(pdev, 0), - pci_resource_len(pdev, 0)); + /* map mmio registers */ + host_base = pci_iomap(pdev, 0, 0); if (!host_base) goto out_free; - port_base = ioremap(pci_resource_start(pdev, 2), - pci_resource_len(pdev, 2)); + port_base = pci_iomap(pdev, 2, 0); if (!port_base) goto out_free; /* allocate & init probe_ent and hpriv */ - probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL); + probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL); if (!probe_ent) goto out_free; - hpriv = kmalloc(sizeof(*hpriv), GFP_KERNEL); + hpriv = kzalloc(sizeof(*hpriv), GFP_KERNEL); if (!hpriv) goto out_free; - memset(probe_ent, 0, sizeof(*probe_ent)); probe_ent->dev = pci_dev_to_dev(pdev); INIT_LIST_HEAD(&probe_ent->node); @@ -907,7 +905,6 @@ static int sil24_init_one(struct pci_dev probe_ent->mmio_base = port_base; probe_ent->private_data = hpriv; - memset(hpriv, 0, sizeof(*hpriv)); hpriv->host_base = host_base; hpriv->port_base = port_base; @@ -1011,9 +1008,9 @@ static int sil24_init_one(struct pci_dev out_free: if (host_base) - iounmap(host_base); + pci_iounmap(pdev, host_base); if (port_base) - iounmap(port_base); + pci_iounmap(pdev, port_base); kfree(probe_ent); kfree(hpriv); pci_release_regions(pdev); diff --git a/drivers/scsi/sata_uli.c b/drivers/scsi/sata_uli.c index 8f50257..7ac5a5f 100644 --- a/drivers/scsi/sata_uli.c +++ b/drivers/scsi/sata_uli.c @@ -44,6 +44,8 @@ enum { uli_5287 = 1, uli_5281 = 2, + uli_max_ports = 4, + /* PCI configuration registers */ ULI5287_BASE = 0x90, /* sata0 phy SCR registers */ ULI5287_OFFS = 0x10, /* offset from sata0->sata1 phy regs */ @@ -51,6 +53,10 @@ enum { ULI5281_OFFS = 0x60, /* offset from sata0->sata1 phy regs */ }; +struct uli_priv { + unsigned int scr_cfg_addr[uli_max_ports]; +}; + static int uli_init_one (struct pci_dev *pdev, const struct pci_device_id *ent); static u32 uli_scr_read (struct ata_port *ap, unsigned int sc_reg); static void uli_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val); @@ -137,7 +143,8 @@ MODULE_VERSION(DRV_VERSION); static unsigned int get_scr_cfg_addr(struct ata_port *ap, unsigned int sc_reg) { - return ap->ioaddr.scr_addr + (4 * sc_reg); + struct uli_priv *hpriv = ap->host_set->private_data; + return hpriv->scr_cfg_addr[ap->port_no] + (4 * sc_reg); } static u32 uli_scr_cfg_read (struct ata_port *ap, unsigned int sc_reg) @@ -182,6 +189,7 @@ static int uli_init_one (struct pci_dev int rc; unsigned int board_idx = (unsigned int) ent->driver_data; int pci_dev_busy = 0; + struct uli_priv *hpriv; if (!printed_version++) dev_printk(KERN_INFO, &pdev->dev, "version " DRV_VERSION "\n"); @@ -210,10 +218,18 @@ static int uli_init_one (struct pci_dev goto err_out_regions; } + hpriv = kzalloc(sizeof(*hpriv), GFP_KERNEL); + if (!hpriv) { + rc = -ENOMEM; + goto err_out_probe_ent; + } + + probe_ent->private_data = hpriv; + switch (board_idx) { case uli_5287: - probe_ent->port[0].scr_addr = ULI5287_BASE; - probe_ent->port[1].scr_addr = ULI5287_BASE + ULI5287_OFFS; + hpriv->scr_cfg_addr[0] = ULI5287_BASE; + hpriv->scr_cfg_addr[1] = ULI5287_BASE + ULI5287_OFFS; probe_ent->n_ports = 4; probe_ent->port[2].cmd_addr = pci_resource_start(pdev, 0) + 8; @@ -221,27 +237,27 @@ static int uli_init_one (struct pci_dev probe_ent->port[2].ctl_addr = (pci_resource_start(pdev, 1) | ATA_PCI_CTL_OFS) + 4; probe_ent->port[2].bmdma_addr = pci_resource_start(pdev, 4) + 16; - probe_ent->port[2].scr_addr = ULI5287_BASE + ULI5287_OFFS*4; + hpriv->scr_cfg_addr[2] = ULI5287_BASE + ULI5287_OFFS*4; probe_ent->port[3].cmd_addr = pci_resource_start(pdev, 2) + 8; probe_ent->port[3].altstatus_addr = probe_ent->port[3].ctl_addr = (pci_resource_start(pdev, 3) | ATA_PCI_CTL_OFS) + 4; probe_ent->port[3].bmdma_addr = pci_resource_start(pdev, 4) + 24; - probe_ent->port[3].scr_addr = ULI5287_BASE + ULI5287_OFFS*5; + hpriv->scr_cfg_addr[3] = ULI5287_BASE + ULI5287_OFFS*5; ata_std_ports(&probe_ent->port[2]); ata_std_ports(&probe_ent->port[3]); break; case uli_5289: - probe_ent->port[0].scr_addr = ULI5287_BASE; - probe_ent->port[1].scr_addr = ULI5287_BASE + ULI5287_OFFS; + hpriv->scr_cfg_addr[0] = ULI5287_BASE; + hpriv->scr_cfg_addr[1] = ULI5287_BASE + ULI5287_OFFS; break; case uli_5281: - probe_ent->port[0].scr_addr = ULI5281_BASE; - probe_ent->port[1].scr_addr = ULI5281_BASE + ULI5281_OFFS; + hpriv->scr_cfg_addr[0] = ULI5281_BASE; + hpriv->scr_cfg_addr[1] = ULI5281_BASE + ULI5281_OFFS; break; default: @@ -258,9 +274,10 @@ static int uli_init_one (struct pci_dev return 0; +err_out_probe_ent: + kfree(probe_ent); err_out_regions: pci_release_regions(pdev); - err_out: if (!pci_dev_busy) pci_disable_device(pdev); - : send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html