diff options
Diffstat (limited to 'drivers/ata/pata_cypress.c')
| -rw-r--r-- | drivers/ata/pata_cypress.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/drivers/ata/pata_cypress.c b/drivers/ata/pata_cypress.c index 322043d8cf7f..fd55474e0d15 100644 --- a/drivers/ata/pata_cypress.c +++ b/drivers/ata/pata_cypress.c @@ -7,7 +7,7 @@ * linux/drivers/ide/pci/cy82c693.c Version 0.40 Sep. 10, 2002 * */ - + #include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> @@ -59,7 +59,7 @@ static void cy82c693_error_handler(struct ata_port *ap) * * Called to do the PIO mode setup. */ - + static void cy82c693_set_piomode(struct ata_port *ap, struct ata_device *adev) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); @@ -67,7 +67,7 @@ static void cy82c693_set_piomode(struct ata_port *ap, struct ata_device *adev) const unsigned long T = 1000000 / 33; short time_16, time_8; u32 addr; - + if (ata_timing_compute(adev, adev->pio_mode, &t, T, 1) < 0) { printk(KERN_ERR DRV_NAME ": mome computation failed.\n"); return; @@ -75,20 +75,20 @@ static void cy82c693_set_piomode(struct ata_port *ap, struct ata_device *adev) time_16 = FIT(t.recover, 0, 15) | (FIT(t.active, 0, 15) << 4); time_8 = FIT(t.act8b, 0, 15) | (FIT(t.rec8b, 0, 15) << 4); - + if (adev->devno == 0) { pci_read_config_dword(pdev, CY82_IDE_ADDRSETUP, &addr); - + addr &= ~0x0F; /* Mask bits */ addr |= FIT(t.setup, 0, 15); - + pci_write_config_dword(pdev, CY82_IDE_ADDRSETUP, addr); pci_write_config_byte(pdev, CY82_IDE_MASTER_IOR, time_16); pci_write_config_byte(pdev, CY82_IDE_MASTER_IOW, time_16); pci_write_config_byte(pdev, CY82_IDE_MASTER_8BIT, time_8); } else { pci_read_config_dword(pdev, CY82_IDE_ADDRSETUP, &addr); - + addr &= ~0xF0; /* Mask bits */ addr |= (FIT(t.setup, 0, 15) << 4); @@ -106,15 +106,15 @@ static void cy82c693_set_piomode(struct ata_port *ap, struct ata_device *adev) * * Called to do the DMA mode setup. */ - + static void cy82c693_set_dmamode(struct ata_port *ap, struct ata_device *adev) { int reg = CY82_INDEX_CHANNEL0 + ap->port_no; - + /* Be afraid, be very afraid. Magic registers in low I/O space */ outb(reg, 0x22); outb(adev->dma_mode - XFER_MW_DMA_0, 0x23); - + /* 0x50 gives the best behaviour on the Alpha's using this chip */ outb(CY82_INDEX_TIMEOUT, 0x22); outb(0x50, 0x23); @@ -143,7 +143,7 @@ static struct ata_port_operations cy82c693_port_ops = { .set_piomode = cy82c693_set_piomode, .set_dmamode = cy82c693_set_dmamode, .mode_filter = ata_pci_default_filter, - + .tf_load = ata_tf_load, .tf_read = ata_tf_read, .check_status = ata_check_status, @@ -167,11 +167,11 @@ static struct ata_port_operations cy82c693_port_ops = { .irq_handler = ata_interrupt, .irq_clear = ata_bmdma_irq_clear, - + .port_start = ata_port_start, .port_stop = ata_port_stop, .host_stop = ata_host_stop -}; +}; static int cy82c693_init_one(struct pci_dev *pdev, const struct pci_device_id *id) { @@ -183,13 +183,13 @@ static int cy82c693_init_one(struct pci_dev *pdev, const struct pci_device_id *i .port_ops = &cy82c693_port_ops }; static struct ata_port_info *port_info[1] = { &info }; - + /* Devfn 1 is the ATA primary. The secondary is magic and on devfn2. For the moment we don't handle the secondary. FIXME */ - + if (PCI_FUNC(pdev->devfn) != 1) return -ENODEV; - + return ata_pci_init_one(pdev, port_info, 1); } |