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ide: switch set_xfer_rate() to use REQ_TYPE_ATA_TASKFILE requests 

Based on the earlier work by Tejun Heo.

Switch set_xfer_rate() to use REQ_TYPE_ATA_TASKFILE requests
and make ide_wait_cmd() static.

There should be no functionality changes caused by this patch.

Cc: Tejun Heo <htejun@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-01-26 20:13:12 +01:00
parent 0455fcc821
commit 34f5d5ae35
3 changed files with 11 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/ide/ide-proc.c
View File

@ -346,14 +346,20 @@ static int ide_write_setting(ide_drive_t *drive, ide_settings_t *setting, int va
static int set_xfer_rate (ide_drive_t *drive, int arg)
{
ide_task_t task;
int err;
if (arg < 0 || arg > 70)
return -EINVAL;
err = ide_wait_cmd(drive,
WIN_SETFEATURES, (u8) arg,
SETFEATURES_XFER, 0, NULL);
memset(&task, 0, sizeof(task));
task.tf.command = WIN_SETFEATURES;
task.tf.feature = SETFEATURES_XFER;
task.tf.nsect = (u8)arg;
task.tf_flags = IDE_TFLAG_OUT_FEATURE | IDE_TFLAG_OUT_NSECT |
IDE_TFLAG_IN_NSECT;
err = ide_no_data_taskfile(drive, &task);
if (!err && arg) {
ide_set_xfer_rate(drive, (u8) arg);

3
drivers/ide/ide-taskfile.c
View File

@ -750,7 +750,8 @@ abort:
}
#endif
int ide_wait_cmd (ide_drive_t *drive, u8 cmd, u8 nsect, u8 feature, u8 sectors, u8 *buf)
static int ide_wait_cmd(ide_drive_t *drive, u8 cmd, u8 nsect, u8 feature,
u8 sectors, u8 *buf)
{
struct request rq;
u8 buffer[4];

8
include/linux/ide.h
View File

@ -870,14 +870,6 @@ extern int ide_do_drive_cmd(ide_drive_t *, struct request *, ide_action_t);
extern void ide_end_drive_cmd(ide_drive_t *, u8, u8);
/*
* Issue ATA command and wait for completion.
* Use for implementing commands in kernel
*
* (ide_drive_t *drive, u8 cmd, u8 nsect, u8 feature, u8 sectors, u8 *buf)
*/
extern int ide_wait_cmd(ide_drive_t *, u8, u8, u8, u8, u8 *);
enum {
IDE_TFLAG_LBA48 = (1 << 0),
IDE_TFLAG_NO_SELECT_MASK = (1 << 1),