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ide: remove set_transfer()

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Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-02-02 19:56:46 +01:00
parent fa017176f7
commit 5efe7c540e
3 changed files with 5 additions and 20 deletions
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18
drivers/ide/ide-iops.c
View File

@ -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)
{

6
drivers/ide/ide-taskfile.c
View File

@ -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;

1
include/linux/ide.h
View File

@ -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);