diff options
Diffstat (limited to 'drivers/ata/pata_via.c')
| -rw-r--r-- | drivers/ata/pata_via.c | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index 946ade0e1f1b..96b71791d2f4 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -62,7 +62,7 @@ #include <linux/libata.h> #define DRV_NAME "pata_via" -#define DRV_VERSION "0.2.1" +#define DRV_VERSION "0.3.1" /* * The following comes directly from Vojtech Pavlik's ide/pci/via82cxxx @@ -135,16 +135,23 @@ static const struct via_isa_bridge { */ static int via_cable_detect(struct ata_port *ap) { + const struct via_isa_bridge *config = ap->host->private_data; struct pci_dev *pdev = to_pci_dev(ap->host->dev); u32 ata66; + /* Early chips are 40 wire */ + if ((config->flags & VIA_UDMA) < VIA_UDMA_66) + return ATA_CBL_PATA40; + /* UDMA 66 chips have only drive side logic */ + else if((config->flags & VIA_UDMA) < VIA_UDMA_100) + return ATA_CBL_PATA_UNK; + /* UDMA 100 or later */ pci_read_config_dword(pdev, 0x50, &ata66); /* Check both the drive cable reporting bits, we might not have two drives */ if (ata66 & (0x10100000 >> (16 * ap->port_no))) return ATA_CBL_PATA80; - else - return ATA_CBL_PATA40; + return ATA_CBL_PATA40; } static int via_pre_reset(struct ata_port *ap) @@ -156,22 +163,10 @@ static int via_pre_reset(struct ata_port *ap) { 0x40, 1, 0x02, 0x02 }, { 0x40, 1, 0x01, 0x01 } }; - struct pci_dev *pdev = to_pci_dev(ap->host->dev); - if (!pci_test_config_bits(pdev, &via_enable_bits[ap->port_no])) return -ENOENT; } - - if ((config->flags & VIA_UDMA) >= VIA_UDMA_100) - ap->cbl = via_cable_detect(ap); - /* The UDMA66 series has no cable detect so do drive side detect */ - else if ((config->flags & VIA_UDMA) < VIA_UDMA_66) - ap->cbl = ATA_CBL_PATA40; - else - ap->cbl = ATA_CBL_PATA_UNK; - - return ata_std_prereset(ap); } @@ -327,6 +322,7 @@ static struct ata_port_operations via_port_ops = { .thaw = ata_bmdma_thaw, .error_handler = via_error_handler, .post_internal_cmd = ata_bmdma_post_internal_cmd, + .cable_detect = via_cable_detect, .bmdma_setup = ata_bmdma_setup, .bmdma_start = ata_bmdma_start, @@ -362,6 +358,7 @@ static struct ata_port_operations via_port_ops_noirq = { .thaw = ata_bmdma_thaw, .error_handler = via_error_handler, .post_internal_cmd = ata_bmdma_post_internal_cmd, + .cable_detect = via_cable_detect, .bmdma_setup = ata_bmdma_setup, .bmdma_start = ata_bmdma_start, |