libata: test major version in ata_id_is_sata()

[powerpc.git] / include / linux / ata.h

diff --git a/include/linux/ata.h b/include/linux/ata.h
index 3a50739..c331da2 100644 (file)
--- 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))
@@ -299,6 +298,8 @@ struct ata_taskfile {
 #define ata_id_queue_depth(id) (((id)[75] & 0x1f) + 1)
 #define ata_id_removeable(id)  ((id)[0] & (1 << 7))
 #define ata_id_has_dword_io(id)        ((id)[50] & (1 << 0))
+#define ata_id_iordy_disable(id) ((id)[49] & (1 << 10))
+#define ata_id_has_iordy(id) ((id)[49] & (1 << 9))
 #define ata_id_u32(id,n)       \
        (((u32) (id)[(n) + 1] << 16) | ((u32) (id)[(n)]))
 #define ata_id_u64(id,n)       \
@@ -322,6 +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
@@ -348,9 +354,9 @@ 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] & 0x4000)
+       if ((dev_id[93] & 0xE000) == 0x6000)
                return 0;       /* 80 wire */
        return 1;
 }