From 4d91a855989af53b81f1ad7a82250d973f9b7b01 Mon Sep 17 00:00:00 2001 From: Joonyoung Shim Date: Fri, 2 Oct 2015 09:30:38 +0900 Subject: [PATCH] drm/exynos: fix to detach device of iommu The arm_iommu_detach_device() is a function to detach device of iommu attached by arm_iommu_attach_device(). The exynos-drm uses arm_iommu_attach_device() so it should use arm_iommu_detach_device() to detach device of iommu, not iommu_detach_device(). The drm_release_iommu_mapping() is a function to release mapping of iommu created by arm_iommu_create_mapping(). It is called by exynos_drm_unload() so shouldn't be called by drm_iommu_detach_device(). Signed-off-by: Joonyoung Shim Signed-off-by: Inki Dae --- drivers/gpu/drm/exynos/exynos_drm_iommu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_iommu.c b/drivers/gpu/drm/exynos/exynos_drm_iommu.c index 055e8ec2ef21..d73b9ad35b7a 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_iommu.c +++ b/drivers/gpu/drm/exynos/exynos_drm_iommu.c @@ -139,6 +139,5 @@ void drm_iommu_detach_device(struct drm_device *drm_dev, if (!mapping || !mapping->domain) return; - iommu_detach_device(mapping->domain, subdrv_dev); - drm_release_iommu_mapping(drm_dev); + arm_iommu_detach_device(subdrv_dev); } -- 2.20.1