diff options
Diffstat (limited to 'drivers/ide/pci/sc1200.c')
| -rw-r--r-- | drivers/ide/pci/sc1200.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c index 8efaed16fea3..f1a8758e3a99 100644 --- a/drivers/ide/pci/sc1200.c +++ b/drivers/ide/pci/sc1200.c @@ -14,7 +14,6 @@ #include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> -#include <linux/hdreg.h> #include <linux/pci.h> #include <linux/init.h> #include <linux/ide.h> @@ -104,17 +103,19 @@ static void sc1200_tunepio(ide_drive_t *drive, u8 pio) static u8 sc1200_udma_filter(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; - ide_drive_t *mate = &hwif->drives[(drive->dn & 1) ^ 1]; - struct hd_driveid *mateid = mate->id; + ide_drive_t *mate = ide_get_pair_dev(drive); + u16 *mateid = mate->id; u8 mask = hwif->ultra_mask; - if (mate->present == 0) + if (mate == NULL) goto out; - if ((mateid->capability & 1) && __ide_dma_bad_drive(mate) == 0) { - if ((mateid->field_valid & 4) && (mateid->dma_ultra & 7)) + if (ata_id_has_dma(mateid) && __ide_dma_bad_drive(mate) == 0) { + if ((mateid[ATA_ID_FIELD_VALID] & 4) && + (mateid[ATA_ID_UDMA_MODES] & 7)) goto out; - if ((mateid->field_valid & 2) && (mateid->dma_mword & 7)) + if ((mateid[ATA_ID_FIELD_VALID] & 2) && + (mateid[ATA_ID_MWDMA_MODES] & 7)) mask = 0; } out: @@ -125,7 +126,6 @@ static void sc1200_set_dma_mode(ide_drive_t *drive, const u8 mode) { ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = to_pci_dev(hwif->dev); - int unit = drive->select.b.unit; unsigned int reg, timings; unsigned short pci_clock; unsigned int basereg = hwif->channel ? 0x50 : 0x40; @@ -154,7 +154,7 @@ static void sc1200_set_dma_mode(ide_drive_t *drive, const u8 mode) else timings = mwdma_timing[pci_clock][mode - XFER_MW_DMA_0]; - if (unit == 0) { /* are we configuring drive0? */ + if ((drive->dn & 1) == 0) { pci_read_config_dword(dev, basereg + 4, ®); timings |= reg & 0x80000000; /* preserve PIO format bit */ pci_write_config_dword(dev, basereg + 4, timings); @@ -215,7 +215,8 @@ static void sc1200_set_pio_mode(ide_drive_t *drive, const u8 pio) if (mode != -1) { printk("SC1200: %s: changing (U)DMA mode\n", drive->name); ide_dma_off_quietly(drive); - if (ide_set_dma_mode(drive, mode) == 0 && drive->using_dma) + if (ide_set_dma_mode(drive, mode) == 0 && + (drive->dev_flags & IDE_DFLAG_USING_DMA)) hwif->dma_ops->dma_host_set(drive, 1); return; } @@ -327,7 +328,7 @@ static const struct pci_device_id sc1200_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, sc1200_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver sc1200_pci_driver = { .name = "SC1200_IDE", .id_table = sc1200_pci_tbl, .probe = sc1200_init_one, @@ -340,12 +341,12 @@ static struct pci_driver driver = { static int __init sc1200_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&sc1200_pci_driver); } static void __exit sc1200_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&sc1200_pci_driver); } module_init(sc1200_ide_init); |