diff options
| -rw-r--r-- | drivers/ata/libata-acpi.c | 41 | ||||
| -rw-r--r-- | drivers/ata/pata_amd.c | 3 | ||||
| -rw-r--r-- | drivers/ata/pata_via.c | 3 | ||||
| -rw-r--r-- | include/linux/libata.h | 10 |
4 files changed, 27 insertions, 30 deletions
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index a6f1a6b56d8c..9e8ec19260af 100644 --- a/drivers/ata/libata-acpi.c +++ b/drivers/ata/libata-acpi.c @@ -490,38 +490,29 @@ EXPORT_SYMBOL_GPL(ata_acpi_gtm_xfermask); /** * ata_acpi_cbl_80wire - Check for 80 wire cable * @ap: Port to check + * @gtm: GTM data to use * - * Return 1 if the ACPI mode data for this port indicates the BIOS selected - * an 80wire mode. + * Return 1 if the @gtm indicates the BIOS selected an 80wire mode. */ - -int ata_acpi_cbl_80wire(struct ata_port *ap) +int ata_acpi_cbl_80wire(struct ata_port *ap, const struct ata_acpi_gtm *gtm) { - const struct ata_acpi_gtm *gtm = ata_acpi_init_gtm(ap); - int valid = 0; + struct ata_device *dev; - if (!gtm) - return 0; + ata_link_for_each_dev(dev, &ap->link) { + unsigned long xfer_mask, udma_mask; + + if (!ata_dev_enabled(dev)) + continue; + + xfer_mask = ata_acpi_gtm_xfermask(dev, gtm); + ata_unpack_xfermask(xfer_mask, NULL, NULL, &udma_mask); + + if (udma_mask & ~ATA_UDMA_MASK_40C) + return 1; + } - /* Split timing, DMA enabled */ - if ((gtm->flags & 0x11) == 0x11 && gtm->drive[0].dma < 55) - valid |= 1; - if ((gtm->flags & 0x14) == 0x14 && gtm->drive[1].dma < 55) - valid |= 2; - /* Shared timing, DMA enabled */ - if ((gtm->flags & 0x11) == 0x01 && gtm->drive[0].dma < 55) - valid |= 1; - if ((gtm->flags & 0x14) == 0x04 && gtm->drive[0].dma < 55) - valid |= 2; - - /* Drive check */ - if ((valid & 1) && ata_dev_enabled(&ap->link.device[0])) - return 1; - if ((valid & 2) && ata_dev_enabled(&ap->link.device[1])) - return 1; return 0; } - EXPORT_SYMBOL_GPL(ata_acpi_cbl_80wire); static void ata_acpi_gtf_to_tf(struct ata_device *dev, diff --git a/drivers/ata/pata_amd.c b/drivers/ata/pata_amd.c index 3cc27b514654..e71125a4bd9b 100644 --- a/drivers/ata/pata_amd.c +++ b/drivers/ata/pata_amd.c @@ -272,7 +272,8 @@ static int nv_cable_detect(struct ata_port *ap) if ((udma & 0xC4) == 0xC4 || (udma & 0xC400) == 0xC400) cbl = ATA_CBL_PATA80; /* And a triple check across suspend/resume with ACPI around */ - if (ata_acpi_cbl_80wire(ap)) + if (ata_acpi_init_gtm(ap) && + ata_acpi_cbl_80wire(ap, ata_acpi_init_gtm(ap))) cbl = ATA_CBL_PATA80; return cbl; } diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index 453d72bf2598..39627ab684bf 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -185,7 +185,8 @@ static int via_cable_detect(struct ata_port *ap) { if (ata66 & (0x10100000 >> (16 * ap->port_no))) return ATA_CBL_PATA80; /* Check with ACPI so we can spot BIOS reported SATA bridges */ - if (ata_acpi_cbl_80wire(ap)) + if (ata_acpi_init_gtm(ap) && + ata_acpi_cbl_80wire(ap, ata_acpi_init_gtm(ap))) return ATA_CBL_PATA80; return ATA_CBL_PATA40; } diff --git a/include/linux/libata.h b/include/linux/libata.h index 8ede93b5c7a6..cc4eaef6f889 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -968,18 +968,16 @@ static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap) return &ap->__acpi_init_gtm; return NULL; } -extern int ata_acpi_cbl_80wire(struct ata_port *ap); int ata_acpi_stm(struct ata_port *ap, const struct ata_acpi_gtm *stm); int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *stm); unsigned long ata_acpi_gtm_xfermask(struct ata_device *dev, const struct ata_acpi_gtm *gtm); - +int ata_acpi_cbl_80wire(struct ata_port *ap, const struct ata_acpi_gtm *gtm); #else static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap) { return NULL; } -static inline int ata_acpi_cbl_80wire(struct ata_port *ap) { return 0; } static inline int ata_acpi_stm(const struct ata_port *ap, struct ata_acpi_gtm *stm) @@ -998,6 +996,12 @@ static inline unsigned int ata_acpi_gtm_xfermask(struct ata_device *dev, { return 0; } + +static inline int ata_acpi_cbl_80wire(struct ata_port *ap, + const struct ata_acpi_gtm *gtm) +{ + return 0; +} #endif #ifdef CONFIG_PCI |