summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-10-10 22:39:30 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-10-10 22:39:30 +0200
commit1a4e4d4d2cceb72be70526a485914abd638c7de1 (patch)
tree6877599bc12aab8a67068a837ab87fc96cb78cbb
parent942dcd85bf8edf38cdc3745306ca250684d99a61 (diff)
downloadop-kernel-dev-1a4e4d4d2cceb72be70526a485914abd638c7de1.zip
op-kernel-dev-1a4e4d4d2cceb72be70526a485914abd638c7de1.tar.gz
ide: check only for CACHE FLUSH command support in ide_id_has_flush_cache()
All devices supporting CACHE FLUSH EXT command should also support CACHE FLUSH command so it is sufficient to check only for CACHE FLUSH in ide_id_has_flush_cache(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
-rw-r--r--include/linux/ide.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 87b5b5d..6e22cd2 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1453,8 +1453,8 @@ extern struct mutex ide_cfg_mtx;
extern struct bus_type ide_bus_type;
extern struct class *ide_port_class;
-/* check if CACHE FLUSH (EXT) command is supported (bits defined in ATA-6) */
-#define ide_id_has_flush_cache(id) ((id)[ATA_ID_CFS_ENABLE_2] & 0x3000)
+/* check if CACHE FLUSH command is supported (as defined in ATA-6) */
+#define ide_id_has_flush_cache(id) ((id)[ATA_ID_CFS_ENABLE_2] & 0x1000)
/* some Maxtor disks have bit 13 defined incorrectly so check bit 10 too */
#define ide_id_has_flush_cache_ext(id) \
OpenPOWER on IntegriCloud