ide: add "hdx=nodma" kernel parameter
* Add "hdx=nodma" option allowing user to disallow DMA for a given device.
* Obsolete "ide=nodma" option.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 45fa1ef..bc57ce6 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -759,7 +759,7 @@
{
u8 speed;
- if (noautodma || (drive->id->capability & 1) == 0)
+ if (noautodma || drive->nodma || (drive->id->capability & 1) == 0)
return 0;
/* consult the list of known "bad" drives */