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| author | Tejun Heo <htejun@gmail.com> | 2007-02-21 20:25:08 +0900 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-02-23 05:37:11 -0500 |
| commit | 32d90911568f67fad3f73623e106667a37c6e7ed (patch) | |
| tree | 96690244a571855cb89343028a03016279ebf914 /include | |
| parent | f5ecac2d8e0beb0e4d3eb09833cfd19d8f9f004d (diff) | |
| download | op-kernel-dev-32d90911568f67fad3f73623e106667a37c6e7ed.zip op-kernel-dev-32d90911568f67fad3f73623e106667a37c6e7ed.tar.gz | |
libata: test major version in ata_id_is_sata()
Test major version in ata_id_is_sata() not separately.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ata.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h index 272736e..c331da2 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -282,7 +282,6 @@ struct ata_taskfile { }; #define ata_id_is_ata(id) (((id)[0] & (1 << 15)) == 0) -#define ata_id_is_sata(id) ((id)[93] == 0) #define ata_id_rahead_enabled(id) ((id)[85] & (1 << 6)) #define ata_id_wcache_enabled(id) ((id)[85] & (1 << 5)) #define ata_id_hpa_enabled(id) ((id)[85] & (1 << 10)) @@ -324,6 +323,11 @@ static inline unsigned int ata_id_major_version(const u16 *id) return mver; } +static inline int ata_id_is_sata(const u16 *id) +{ + return ata_id_major_version(id) >= 5 && id[93] == 0; +} + static inline int ata_id_current_chs_valid(const u16 *id) { /* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command @@ -350,7 +354,7 @@ static inline int ata_id_is_cfa(const u16 *id) static inline int ata_drive_40wire(const u16 *dev_id) { - if (ata_id_major_version(dev_id) >= 5 && ata_id_is_sata(dev_id)) + if (ata_id_is_sata(dev_id)) return 0; /* SATA */ if ((dev_id[93] & 0xE000) == 0x6000) return 0; /* 80 wire */ |
