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| author | Stephane Viau | 2014-06-17 16:32:37 +0200 |
|---|---|---|
| committer | Rob Clark | 2014-06-22 14:32:10 +0200 |
| commit | 87e956e9be0cdb832e90a4731b620286a8826842 (patch) | |
| tree | aae99419fd336809818e4c91a393d89413b29719 /drivers/gpu/drm/msm/msm_mmu.h | |
| parent | drm/msm: use PAGE_ALIGNED instead of IS_ALIGNED(PAGE_SIZE) (diff) | |
| download | kernel-qcow2-linux-87e956e9be0cdb832e90a4731b620286a8826842.tar.gz kernel-qcow2-linux-87e956e9be0cdb832e90a4731b620286a8826842.tar.xz kernel-qcow2-linux-87e956e9be0cdb832e90a4731b620286a8826842.zip | |
drm/msm: fix IOMMU cleanup for -EPROBE_DEFER
If probe fails after IOMMU is attached, we need to detach in order to
clean up properly. Before this change, IOMMU faults would occur if the
probe failed (-EPROBE_DEFER).
Signed-off-by: Stephane Viau <sviau@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_mmu.h')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_mmu.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_mmu.h b/drivers/gpu/drm/msm/msm_mmu.h index 030324482b4a..21da6d154f71 100644 --- a/drivers/gpu/drm/msm/msm_mmu.h +++ b/drivers/gpu/drm/msm/msm_mmu.h @@ -22,6 +22,7 @@ struct msm_mmu_funcs { int (*attach)(struct msm_mmu *mmu, const char **names, int cnt); + void (*detach)(struct msm_mmu *mmu, const char **names, int cnt); int (*map)(struct msm_mmu *mmu, uint32_t iova, struct sg_table *sgt, unsigned len, int prot); int (*unmap)(struct msm_mmu *mmu, uint32_t iova, struct sg_table *sgt, |