ide: remove ide_use_fast_pio()

Remove ide_use_fast_pio() and just re-tune PIO unconditionally if DMA tuning
has failed in ->ide_dma_check.  All host drivers using ide_use_fast_pio() set
drive->autotune so PIO is always tuned anyway and in some cases we _really_
need to re-tune PIO because PIO and DMA timings are shared.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 0 insertions, 15 deletions

diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c
index 0e2562f0f74e..af86433baede 100644
--- a/drivers/ide/ide-lib.c
+++ b/drivers/ide/ide-lib.c
@@ -96,21 +96,6 @@ static u8 ide_rate_filter(ide_drive_t *drive, u8 speed)
         return min(speed, mode);
 }
 
-int ide_use_fast_pio(ide_drive_t *drive)
-{
-        struct hd_driveid *id = drive->id;
-
-        if ((id->capability & 1) && drive->autodma)
-                return 1;
-
-        if ((id->capability & 8) || (id->field_valid & 2))
-                return 1;
-
-        return 0;
-}
-
-EXPORT_SYMBOL_GPL(ide_use_fast_pio);
-
 /*
  * Standard (generic) timings for PIO modes, from ATA2 specification.
  * These timings are for access to the IDE data port register *only*.