diff options
Diffstat (limited to 'drivers/ata/pata_via.c')
| -rw-r--r-- | drivers/ata/pata_via.c | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index 220fcd6c5492..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); } @@ -305,8 +300,10 @@ static struct scsi_host_template via_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, +#ifdef CONFIG_PM .resume = ata_scsi_device_resume, .suspend = ata_scsi_device_suspend, +#endif }; static struct ata_port_operations via_port_ops = { @@ -325,6 +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, @@ -360,6 +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, @@ -560,6 +559,7 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id) return ata_pci_init_one(pdev, port_info, 2); } +#ifdef CONFIG_PM /** * via_reinit_one - reinit after resume * @pdev; PCI device @@ -592,6 +592,7 @@ static int via_reinit_one(struct pci_dev *pdev) } return ata_pci_device_resume(pdev); } +#endif static const struct pci_device_id via[] = { { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C576_1), }, @@ -607,8 +608,10 @@ static struct pci_driver via_pci_driver = { .id_table = via, .probe = via_init_one, .remove = ata_pci_remove_one, +#ifdef CONFIG_PM .suspend = ata_pci_device_suspend, .resume = via_reinit_one, +#endif }; static int __init via_init(void) |