diff options
Diffstat (limited to 'include/linux/ata.h')
| -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 272736e3799..c331da2da5f 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 */ |