[PATCH/RFC,v2,2/4] iommu/ipmmu-vmsa: Get rid of disabled device check

Commit Message

Magnus Damm Jan. 27, 2017, 6:14 a.m. UTC

From: Magnus Damm <[e-mail]>

Since of_iommu_configure() now skips over disabled devices
we can simply drop this check in the IPMMU driver.

Signed-off-by: Magnus Damm <[e-mail]>
---

 drivers/iommu/ipmmu-vmsa.c |    7 -------
 1 file changed, 7 deletions(-)

Patch

--- 0001/drivers/iommu/ipmmu-vmsa.c
+++ work/drivers/iommu/ipmmu-vmsa.c	2017-01-27 13:09:36.840607110 +0900
@@ -1051,13 +1051,6 @@  static struct iommu_group *ipmmu_device_
 static int ipmmu_of_xlate_dma(struct device *dev,
 			      struct of_phandle_args *spec)
 {
-	/* If the IPMMU device is disabled in DT then return error
-	 * to make sure the of_iommu code does not install ops
-	 * even though the iommu device is disabled
-	 */
-	if (!of_device_is_available(spec->np))
-		return -ENODEV;
-
 	return 0;
 }