drm/rockchip: remove redundant statement
authorJohn Keeping <john@metanate.com>
Tue, 5 Apr 2016 13:50:31 +0000 (14:50 +0100)
committerMark Yao <mark.yao@rock-chips.com>
Tue, 3 May 2016 06:11:22 +0000 (14:11 +0800)
commitaa1ac27f48de0ed94d5a104e15b5ab62b5deb236
treeab2b8cbc3501c39d129faf07968db97bf3d953ac
parentb89359bdf0f1e95a4c5f92300594ba9dde323fc4
drm/rockchip: remove redundant statement

The call to arm_iommu_detach_device() on the previous line sets
dev->archdata.mapping to NULL so this call is always a no-op.

Signed-off-by: John Keeping <john@metanate.com>
drivers/gpu/drm/rockchip/rockchip_drm_drv.c