Commit 32d90911 authored by Tejun Heo's avatar Tejun Heo Committed by Jeff Garzik

libata: test major version in ata_id_is_sata()

Test major version in ata_id_is_sata() not separately.
Signed-off-by: default avatarTejun Heo <htejun@gmail.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent f5ecac2d
......@@ -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 */
......
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