diff options
| -rw-r--r-- | drivers/ata/libata-core.c | 1 | ||||
| -rw-r--r-- | drivers/ata/pata_it821x.c | 4 | ||||
| -rw-r--r-- | drivers/ata/pata_via.c | 14 | ||||
| -rw-r--r-- | drivers/ide/pci/via82cxxx.c | 1 | ||||
| -rw-r--r-- | include/linux/pci_ids.h | 1 |
5 files changed, 18 insertions, 3 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index a3ee087223de..c43de9a710db 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -6035,6 +6035,7 @@ void ata_dev_init(struct ata_device *dev) */ spin_lock_irqsave(ap->lock, flags); dev->flags &= ~ATA_DFLAG_INIT_MASK; + dev->horkage = 0; spin_unlock_irqrestore(ap->lock, flags); memset((void *)dev + ATA_DEVICE_CLEAR_OFFSET, 0, diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c index ed637ae33ece..5d8b91e70ecd 100644 --- a/drivers/ata/pata_it821x.c +++ b/drivers/ata/pata_it821x.c @@ -533,6 +533,10 @@ static int it821x_check_atapi_dma(struct ata_queued_cmd *qc) struct ata_port *ap = qc->ap; struct it821x_dev *itdev = ap->private_data; + /* Only use dma for transfers to/from the media. */ + if (qc->nbytes < 2048) + return -EOPNOTSUPP; + /* No ATAPI DMA in smart mode */ if (itdev->smart) return -EOPNOTSUPP; diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index ea18e33f50ef..636c4f1a0b24 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -97,6 +97,7 @@ static const struct via_isa_bridge { u8 rev_max; u16 flags; } via_isa_bridges[] = { + { "vx800", PCI_DEVICE_ID_VIA_VX800, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, { "vt8237s", PCI_DEVICE_ID_VIA_8237S, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, { "vt8251", PCI_DEVICE_ID_VIA_8251, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, { "cx700", PCI_DEVICE_ID_VIA_CX700, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, @@ -243,7 +244,6 @@ static void via_do_set_mode(struct ata_port *ap, struct ata_device *adev, int mo int ut; int offset = 3 - (2*ap->port_no) - adev->devno; - /* Calculate the timing values we require */ ata_timing_compute(adev, mode, &t, T, UT); @@ -290,9 +290,17 @@ static void via_do_set_mode(struct ata_port *ap, struct ata_device *adev, int mo ut = t.udma ? (0xe0 | (FIT(t.udma, 2, 9) - 2)) : 0x07; break; } + /* Set UDMA unless device is not UDMA capable */ - if (udma_type) - pci_write_config_byte(pdev, 0x50 + offset, ut); + if (udma_type) { + u8 cable80_status; + + /* Get 80-wire cable detection bit */ + pci_read_config_byte(pdev, 0x50 + offset, &cable80_status); + cable80_status &= 0x10; + + pci_write_config_byte(pdev, 0x50 + offset, ut | cable80_status); + } } static void via_set_piomode(struct ata_port *ap, struct ata_device *adev) diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c index 581316f9581d..8c539381d622 100644 --- a/drivers/ide/pci/via82cxxx.c +++ b/drivers/ide/pci/via82cxxx.c @@ -74,6 +74,7 @@ static struct via_isa_bridge { u8 udma_mask; u8 flags; } via_isa_bridges[] = { + { "vx800", PCI_DEVICE_ID_VIA_VX800, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST }, { "cx700", PCI_DEVICE_ID_VIA_CX700, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST }, { "vt8237s", PCI_DEVICE_ID_VIA_8237S, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST }, { "vt6410", PCI_DEVICE_ID_VIA_6410, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST }, diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 17168f3cc73f..d41747b9fd15 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -1343,6 +1343,7 @@ #define PCI_DEVICE_ID_VIA_8231_4 0x8235 #define PCI_DEVICE_ID_VIA_8365_1 0x8305 #define PCI_DEVICE_ID_VIA_CX700 0x8324 +#define PCI_DEVICE_ID_VIA_VX800 0x8353 #define PCI_DEVICE_ID_VIA_8371_1 0x8391 #define PCI_DEVICE_ID_VIA_82C598_1 0x8598 #define PCI_DEVICE_ID_VIA_838X_1 0xB188 |