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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-10-13 21:39:36 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-10-13 21:39:36 +0200 |
| commit | be3c096ebdbe3c828aacb5473751a22840753eff (patch) | |
| tree | 941bca77404c00cd02211b4ba53ff532ae24a73c /drivers | |
| parent | 35c137531245118962eb40a550661afe317bec03 (diff) | |
| download | linux-be3c096ebdbe3c828aacb5473751a22840753eff.tar.bz2 | |
ide-disk: add ide_do_setfeature() helper
Add ide_do_setfeature() helper and convert set_{wcache,acoustic}()
to use it.
There should be no functional changes caused by this patch.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ide/ide-disk.c | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 65c499aab664..7ea075299bd9 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -580,6 +580,19 @@ static int set_nowerr(ide_drive_t *drive, int arg) return 0; } +static int ide_do_setfeature(ide_drive_t *drive, u8 feature, u8 nsect) +{ + ide_task_t task; + + memset(&task, 0, sizeof(task)); + task.tf.feature = feature; + task.tf.nsect = nsect; + task.tf.command = ATA_CMD_SET_FEATURES; + task.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; + + return ide_no_data_taskfile(drive, &task); +} + static void update_ordered(ide_drive_t *drive) { u16 *id = drive->id; @@ -619,19 +632,14 @@ ide_devset_get(wcache, wcache); static int set_wcache(ide_drive_t *drive, int arg) { - ide_task_t args; int err = 1; if (arg < 0 || arg > 1) return -EINVAL; if (ata_id_flush_enabled(drive->id)) { - memset(&args, 0, sizeof(ide_task_t)); - args.tf.feature = arg ? - SETFEATURES_WC_ON : SETFEATURES_WC_OFF; - args.tf.command = ATA_CMD_SET_FEATURES; - args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; - err = ide_no_data_taskfile(drive, &args); + err = ide_do_setfeature(drive, + arg ? SETFEATURES_WC_ON : SETFEATURES_WC_OFF, 0); if (err == 0) drive->wcache = arg; } @@ -658,18 +666,14 @@ ide_devset_get(acoustic, acoustic); static int set_acoustic(ide_drive_t *drive, int arg) { - ide_task_t args; - if (arg < 0 || arg > 254) return -EINVAL; - memset(&args, 0, sizeof(ide_task_t)); - args.tf.feature = arg ? SETFEATURES_AAM_ON : SETFEATURES_AAM_OFF; - args.tf.nsect = arg; - args.tf.command = ATA_CMD_SET_FEATURES; - args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; - ide_no_data_taskfile(drive, &args); + ide_do_setfeature(drive, + arg ? SETFEATURES_AAM_ON : SETFEATURES_AAM_OFF, arg); + drive->acoustic = arg; + return 0; } |