diff options
| -rw-r--r-- | drivers/ata/libata-core.c | 13 | ||||
| -rw-r--r-- | include/linux/ata.h | 7 | ||||
| -rw-r--r-- | include/linux/libata.h | 1 |
3 files changed, 18 insertions, 3 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 71159539099..62c4b328b0b 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2354,6 +2354,18 @@ int ata_cable_unknown(struct ata_port *ap) } /** + * ata_cable_ignore - return ignored PATA cable. + * @ap: port + * + * Helper method for drivers which don't use cable type to limit + * transfer mode. + */ +int ata_cable_ignore(struct ata_port *ap) +{ + return ATA_CBL_PATA_IGN; +} + +/** * ata_cable_sata - return SATA cable type * @ap: port * @@ -7665,4 +7677,5 @@ EXPORT_SYMBOL_GPL(ata_dev_try_classify); EXPORT_SYMBOL_GPL(ata_cable_40wire); EXPORT_SYMBOL_GPL(ata_cable_80wire); EXPORT_SYMBOL_GPL(ata_cable_unknown); +EXPORT_SYMBOL_GPL(ata_cable_ignore); EXPORT_SYMBOL_GPL(ata_cable_sata); diff --git a/include/linux/ata.h b/include/linux/ata.h index 43fecf62773..c17e9404c88 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -286,9 +286,10 @@ enum { ATA_CBL_NONE = 0, ATA_CBL_PATA40 = 1, ATA_CBL_PATA80 = 2, - ATA_CBL_PATA40_SHORT = 3, /* 40 wire cable to high UDMA spec */ - ATA_CBL_PATA_UNK = 4, - ATA_CBL_SATA = 5, + ATA_CBL_PATA40_SHORT = 3, /* 40 wire cable to high UDMA spec */ + ATA_CBL_PATA_UNK = 4, /* don't know, maybe 80c? */ + ATA_CBL_PATA_IGN = 5, /* don't know, ignore cable handling */ + ATA_CBL_SATA = 6, /* SATA Status and Control Registers */ SCR_STATUS = 0, diff --git a/include/linux/libata.h b/include/linux/libata.h index d9eb20c67bb..bdb7c6e1399 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -927,6 +927,7 @@ extern u8 ata_irq_on(struct ata_port *ap); extern int ata_cable_40wire(struct ata_port *ap); extern int ata_cable_80wire(struct ata_port *ap); extern int ata_cable_sata(struct ata_port *ap); +extern int ata_cable_ignore(struct ata_port *ap); extern int ata_cable_unknown(struct ata_port *ap); /* |