Replace open-coded check by ata_id_wcache_enabled()
(which also checks validity of word 85).

Signed-off-by: Bartlomiej Zolnierkiewicz
---
drivers/ide/ide-disk.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Index: b/drivers/ide/ide-disk.c
================================================== =================
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -896,7 +896,7 @@ static void idedisk_setup(ide_drive_t *d
drive->bios_cyl, drive->bios_head, drive->bios_sect);

/* write cache enabled? */
- if ((id[ATA_ID_CSFO] & 1) || (id[ATA_ID_CFS_ENABLE_1] & (1 << 5)))
+ if ((id[ATA_ID_CSFO] & 1) || ata_id_wcache_enabled(id))
drive->wcache = 1;

write_cache(drive, 1);
--
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