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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-10-10 22:39:30 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-10-10 22:39:30 +0200 |
| commit | 1a4e4d4d2cceb72be70526a485914abd638c7de1 (patch) | |
| tree | 6877599bc12aab8a67068a837ab87fc96cb78cbb | |
| parent | 942dcd85bf8edf38cdc3745306ca250684d99a61 (diff) | |
| download | op-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.h | 4 |
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) \ |
