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Date: Wed, 30 Jul 2008 23:24:34 +0200 From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com> To: linux-ide@...r.kernel.org Cc: linux-kernel@...r.kernel.org Subject: [PATCH 1/3] 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@...il.com> --- include/linux/ide.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Index: b/include/linux/ide.h =================================================================== --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1451,8 +1451,8 @@ 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) \ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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