diff options
| author | David Woodhouse <dwmw2@infradead.org> | 2007-01-18 10:34:51 +1100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2007-01-18 10:34:51 +1100 |
| commit | 9cdf083f981b8d37b3212400a359368661385099 (patch) | |
| tree | aa15a6a08ad87e650dea40fb59b3180bef0d345b /include/linux/ata.h | |
| parent | e499e01d234a31d59679b7b1e1cf628d917ba49a (diff) | |
| parent | a8b3485287731978899ced11f24628c927890e78 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/linux/ata.h')
| -rw-r--r-- | include/linux/ata.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h index d8944190702..1df941648a5 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -200,8 +200,9 @@ enum { ATA_CBL_NONE = 0, ATA_CBL_PATA40 = 1, ATA_CBL_PATA80 = 2, - ATA_CBL_PATA_UNK = 3, - ATA_CBL_SATA = 4, + ATA_CBL_PATA40_SHORT = 3, /* 40 wire cable to high UDMA spec */ + ATA_CBL_PATA_UNK = 4, + ATA_CBL_SATA = 5, /* SATA Status and Control Registers */ SCR_STATUS = 0, @@ -342,6 +343,15 @@ static inline int ata_id_is_cfa(const u16 *id) return 0; } +static inline int ata_drive_40wire(const u16 *dev_id) +{ + if (ata_id_major_version(dev_id) >= 5 && ata_id_is_sata(dev_id)) + return 0; /* SATA */ + if (dev_id[93] & 0x4000) + return 0; /* 80 wire */ + return 1; +} + static inline int atapi_cdb_len(const u16 *dev_id) { u16 tmp = dev_id[0] & 0x3; |