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path: root/drivers/ide/ide.c
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Diffstat (limited to 'drivers/ide/ide.c')
-rw-r--r--drivers/ide/ide.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index f04b53cb023f..d868ca44d033 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -584,11 +584,13 @@ out:
int set_pio_mode(ide_drive_t *drive, int arg)
{
struct request rq;
+ ide_hwif_t *hwif = drive->hwif;
if (arg < 0 || arg > 255)
return -EINVAL;
- if (drive->hwif->set_pio_mode == NULL)
+ if (hwif->set_pio_mode == NULL ||
+ (hwif->host_flags & IDE_HFLAG_NO_SET_MODE))
return -ENOSYS;
if (drive->special.b.set_tune)