Commit 1a4e4d4d authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz
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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: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent 942dcd85

include/linux/ide.h

+2 −2
Original line number Diff line number Diff line
@@ -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)	\