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authorIngo Molnar <mingo@elte.hu>2009-05-18 10:15:09 +0200
committerIngo Molnar <mingo@elte.hu>2009-05-18 10:15:35 +0200
commit1079cac0f4eb7d968395378b1625979d4c818dd6 (patch)
treed261058d95d27fe7250511d5fad69db30dc17731 /include/linux/ata.h
parent5872144f64b34a5942f6b4acedc90b02de72c58b (diff)
parent1406de8e11eb043681297adf86d6892ff8efc27a (diff)
Merge commit 'v2.6.30-rc6' into tracing/core
Merge reason: we were on an -rc4 base, sync up to -rc6 Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/ata.h')
-rw-r--r--include/linux/ata.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index cb79b7a208e1..915da43edee1 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -730,6 +730,34 @@ static inline int ata_id_has_unload(const u16 *id)
return 0;
}
+static inline int ata_id_form_factor(const u16 *id)
+{
+ u16 val = id[168];
+
+ if (ata_id_major_version(id) < 7 || val == 0 || val == 0xffff)
+ return 0;
+
+ val &= 0xf;
+
+ if (val > 5)
+ return 0;
+
+ return val;
+}
+
+static inline int ata_id_rotation_rate(const u16 *id)
+{
+ u16 val = id[217];
+
+ if (ata_id_major_version(id) < 7 || val == 0 || val == 0xffff)
+ return 0;
+
+ if (val > 1 && val < 0x401)
+ return 0;
+
+ return val;
+}
+
static inline int ata_id_has_trim(const u16 *id)
{
if (ata_id_major_version(id) >= 7 &&