summaryrefslogtreecommitdiffstats
path: root/include/linux
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/ata.h9
-rw-r--r--include/linux/ide.h3
2 files changed, 9 insertions, 3 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 8162257..921cf0f 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -558,6 +558,15 @@ static inline int ata_id_has_flush(const u16 *id)
return id[ATA_ID_COMMAND_SET_2] & (1 << 12);
}
+static inline int ata_id_flush_enabled(const u16 *id)
+{
+ if (ata_id_has_flush(id) == 0)
+ return 0;
+ if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000)
+ return 0;
+ return id[ATA_ID_CFS_ENABLE_2] & (1 << 12);
+}
+
static inline int ata_id_has_flush_ext(const u16 *id)
{
if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 6e22cd2..d2213d7 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1453,9 +1453,6 @@ extern struct mutex ide_cfg_mtx;
extern struct bus_type ide_bus_type;
extern struct class *ide_port_class;
-/* 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) \
(((id)[ATA_ID_CFS_ENABLE_2] & 0x2400) == 0x2400)
OpenPOWER on IntegriCloud