dma-buf: remove kmap_atomic interface

Neither used nor correctly implemented anywhere. Just completely remove
the interface.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: https://patchwork.freedesktop.org/patch/226645/

1 files changed, 0 insertions, 14 deletions

diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c
index 8b0b4ff64bb4..d7661702c11c 100644
--- a/drivers/gpu/drm/tegra/gem.c
+++ b/drivers/gpu/drm/tegra/gem.c
@@ -596,18 +596,6 @@ static int tegra_gem_prime_end_cpu_access(struct dma_buf *buf,
         return 0;
 }
 
-static void *tegra_gem_prime_kmap_atomic(struct dma_buf *buf,
-                                         unsigned long page)
-{
-        return NULL;
-}
-
-static void tegra_gem_prime_kunmap_atomic(struct dma_buf *buf,
-                                          unsigned long page,
-                                          void *addr)
-{
-}
-
 static void *tegra_gem_prime_kmap(struct dma_buf *buf, unsigned long page)
 {
         return NULL;
@@ -648,8 +636,6 @@ static const struct dma_buf_ops tegra_gem_prime_dmabuf_ops = {
         .release = tegra_gem_prime_release,
         .begin_cpu_access = tegra_gem_prime_begin_cpu_access,
         .end_cpu_access = tegra_gem_prime_end_cpu_access,
-        .map_atomic = tegra_gem_prime_kmap_atomic,
-        .unmap_atomic = tegra_gem_prime_kunmap_atomic,
         .map = tegra_gem_prime_kmap,
         .unmap = tegra_gem_prime_kunmap,
         .mmap = tegra_gem_prime_mmap,