diff options
| -rw-r--r-- | drivers/ata/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/ata/ahci.c | 2 | ||||
| -rw-r--r-- | drivers/ata/ata_piix.c | 4 | ||||
| -rw-r--r-- | drivers/ata/libata-sff.c | 9 | ||||
| -rw-r--r-- | include/linux/libata.h | 2 |
5 files changed, 14 insertions, 4 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 3f4aa0c99ee..03f6338acc8 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -6,6 +6,7 @@ menu "Serial ATA (prod) and Parallel ATA (experimental) drivers" config ATA tristate "ATA device support" + depends on BLOCK depends on !(M32R || M68K) || BROKEN depends on !SUN4 || BROKEN select SCSI diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 25929123fff..cef2e70d64f 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1041,7 +1041,7 @@ static void ahci_host_intr(struct ata_port *ap) /* hmmm... a spurious interupt */ /* some devices send D2H reg with I bit set during NCQ command phase */ - if (ap->sactive && status & PORT_IRQ_D2H_REG_FIS) + if (ap->sactive && (status & PORT_IRQ_D2H_REG_FIS)) return; /* ignore interim PIO setup fis interrupts */ diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 5719704eb0e..5250187ffce 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -432,9 +432,9 @@ static const struct piix_map_db ich8_map_db = { .present_shift = 8, .map = { /* PM PS SM SS MAP */ - { P0, NA, P1, NA }, /* 00b (hardwired) */ + { P0, P2, P1, P3 }, /* 00b (hardwired when in AHCI) */ { RV, RV, RV, RV }, - { RV, RV, RV, RV }, /* 10b (never) */ + { IDE, IDE, NA, NA }, /* 10b (IDE mode) */ { RV, RV, RV, RV }, }, }; diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 06daaa3736a..7645f2b30cc 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -981,6 +981,15 @@ int ata_pci_init_one (struct pci_dev *pdev, struct ata_port_info **port_info, mask = (1 << 2) | (1 << 0); if ((tmp8 & mask) != mask) legacy_mode = (1 << 3); +#if defined(CONFIG_NO_ATA_LEGACY) + /* Some platforms with PCI limits cannot address compat + port space. In that case we punt if their firmware has + left a device in compatibility mode */ + if (legacy_mode) { + printk(KERN_ERR "ata: Compatibility mode ATA is not supported on this platform, skipping.\n"); + return -EOPNOTSUPP; + } +#endif } rc = pci_request_regions(pdev, DRV_NAME); diff --git a/include/linux/libata.h b/include/linux/libata.h index d0a7ad5ed51..b03d5a340dc 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -143,7 +143,7 @@ enum { ATA_DFLAG_CFG_MASK = (1 << 8) - 1, ATA_DFLAG_PIO = (1 << 8), /* device limited to PIO mode */ - ATA_DFLAG_NCQ_OFF = (1 << 9), /* devied limited to non-NCQ mode */ + ATA_DFLAG_NCQ_OFF = (1 << 9), /* device limited to non-NCQ mode */ ATA_DFLAG_SUSPENDED = (1 << 10), /* device suspended */ ATA_DFLAG_INIT_MASK = (1 << 16) - 1, |