From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 20:39:30 +0000 (+0200) Subject: ide: check only for CACHE FLUSH command support in ide_id_has_flush_cache() X-Git-Tag: v2.6.28-rc1~710^2~34 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1a4e4d4d2cceb72be70526a485914abd638c7de1;p=platform%2Fupstream%2Fkernel-adaptation-pc.git 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 --- 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) \