From 5efe7c540ec6021905d443dfe23cc44a11345edd Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Sat, 2 Feb 2008 19:56:46 +0100
Subject: [PATCH] ide: remove set_transfer()
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
drivers/ide/ide-iops.c | 18 ------------------
drivers/ide/ide-taskfile.c | 6 +++++-
include/linux/ide.h | 1 -
3 files changed, 5 insertions(+), 20 deletions(-)
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index 09069da22749..99fe50e941be 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -627,24 +627,6 @@ int ide_ata66_check (ide_drive_t *drive, ide_task_t *args)
return 0;
}
-/*
- * Backside of HDIO_DRIVE_CMD call of SETFEATURES_XFER.
- * 1 : Safe to update drive->id DMA registers.
- * 0 : OOPs not allowed.
- */
-int set_transfer (ide_drive_t *drive, ide_task_t *args)
-{
- if (args->tf.command == WIN_SETFEATURES &&
- args->tf.nsect >= XFER_SW_DMA_0 &&
- args->tf.feature == SETFEATURES_XFER &&
- (drive->id->dma_ultra ||
- drive->id->dma_mword ||
- drive->id->dma_1word))
- return 1;
-
- return 0;
-}
-
#ifdef CONFIG_BLK_DEV_IDEDMA
static u8 ide_auto_reduce_xfer (ide_drive_t *drive)
{
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index 16a9a581d089..bf72b6d9f685 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -755,6 +755,7 @@ int ide_cmd_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
u8 args[4], xfer_rate = 0;
ide_task_t tfargs;
struct ide_taskfile *tf = &tfargs.tf;
+ struct hd_driveid *id = drive->id;
if (NULL == (void *) arg) {
struct request rq;
@@ -792,7 +793,10 @@ int ide_cmd_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
return -ENOMEM;
}
- if (set_transfer(drive, &tfargs)) {
+ if (tf->command == WIN_SETFEATURES &&
+ tf->feature == SETFEATURES_XFER &&
+ tf->nsect >= XFER_SW_DMA_0 &&
+ (id->dma_ultra || id->dma_mword || id->dma_1word)) {
xfer_rate = args[1];
if (ide_ata66_check(drive, &tfargs))
goto abort;
diff --git a/include/linux/ide.h b/include/linux/ide.h
index e2048d2ca64c..b41eb7d12cd2 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -991,7 +991,6 @@ extern int ide_driveid_update(ide_drive_t *);
extern int ide_ata66_check(ide_drive_t *, ide_task_t *);
extern int ide_config_drive_speed(ide_drive_t *, u8);
extern u8 eighty_ninty_three (ide_drive_t *);
-extern int set_transfer(ide_drive_t *, ide_task_t *);
extern int taskfile_lib_get_identify(ide_drive_t *drive, u8 *);
extern int ide_wait_not_busy(ide_hwif_t *hwif, unsigned long timeout);
--
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