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-rw-r--r--drivers/ide/pci/opti621.c15
1 files changed, 2 insertions, 13 deletions
diff --git a/drivers/ide/pci/opti621.c b/drivers/ide/pci/opti621.c
index 6e99080497bf..e31e0f970a2c 100644
--- a/drivers/ide/pci/opti621.c
+++ b/drivers/ide/pci/opti621.c
@@ -102,18 +102,6 @@
* address: 50 ns, data: 50 ns, recovery: 100 ns.
*/
-/* #define READ_PREFETCH 0 */
-/* Uncomment for disable read prefetch.
- * There is some readprefetch capatibility in hdparm,
- * but when I type hdparm -P 1 /dev/hda, I got errors
- * and till reset drive is inaccessible.
- * This (hw) read prefetch is safe on my drive.
- */
-
-#ifndef READ_PREFETCH
-#define READ_PREFETCH 0x40 /* read prefetch is enabled */
-#endif /* else read prefetch is disabled */
-
#define READ_REG 0 /* index of Read cycle timing register */
#define WRITE_REG 1 /* index of Write cycle timing register */
#define CNTRL_REG 3 /* index of Control register */
@@ -264,7 +252,8 @@ static void opti621_set_pio_mode(ide_drive_t *drive, const u8 pio)
cycle1 = ((first.data_time-1)<<4) | (first.recovery_time-2);
cycle2 = ((second.data_time-1)<<4) | (second.recovery_time-2);
- misc = READ_PREFETCH | ((ax-1)<<4) | ((drdy-2)<<1);
+
+ misc = ((ax - 1) << 4) | ((drdy - 2) << 1);
#ifdef OPTI621_DEBUG
printk("%s: master: address: %d, data: %d, "