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authorDavid Woodhouse <dwmw2@infradead.org>2007-10-13 13:43:54 (GMT)
committerDavid Woodhouse <dwmw2@infradead.org>2007-10-13 13:43:54 (GMT)
commitb160292cc216a50fd0cd386b0bda2cd48352c73b (patch)
treeef07cf98f91353ee4c9ec1e1ca7a2a5d9d4b538a /include/linux/ide.h
parentb37bde147890c8fea8369a5a4e230dabdea4ebfb (diff)
parentbbf25010f1a6b761914430f5fca081ec8c7accd1 (diff)
downloadlinux-fsl-qoriq-b160292cc216a50fd0cd386b0bda2cd48352c73b.tar.xz
Merge Linux 2.6.23
Diffstat (limited to 'include/linux/ide.h')
-rw-r--r--include/linux/ide.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h
index c792b4f..b9f66c1 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1378,6 +1378,19 @@ static inline int ide_dev_has_iordy(struct hd_driveid *id)
return ((id->field_valid & 2) && (id->capability & 8)) ? 1 : 0;
}
+static inline int ide_dev_is_sata(struct hd_driveid *id)
+{
+ /*
+ * See if word 93 is 0 AND drive is at least ATA-5 compatible
+ * verifying that word 80 by casting it to a signed type --
+ * this trick allows us to filter out the reserved values of
+ * 0x0000 and 0xffff along with the earlier ATA revisions...
+ */
+ if (id->hw_config == 0 && (short)id->major_rev_num >= 0x0020)
+ return 1;
+ return 0;
+}
+
u8 ide_dump_status(ide_drive_t *, const char *, u8);
typedef struct ide_pio_timings_s {