linux-kernel - [PATCH v2 v3.18-rc4 2/4] drm: prime: Document gem_prime

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Date:	Wed, 12 Nov 2014 11:38:13 +0000
From:	Daniel Thompson <daniel.thompson@...aro.org>
To:	David Airlie <airlied@...ux.ie>
Cc:	Daniel Thompson <daniel.thompson@...aro.org>,
	dri-devel@...ts.freedesktop.org, Rob Clark <robdclark@...il.com>,
	Benjamin Gaignard <benjamin.gaignard@...aro.org>,
	linux-kernel@...r.kernel.org, patches@...aro.org,
	linaro-kernel@...ts.linaro.org,
	John Stultz <john.stultz@...aro.org>,
	Sumit Semwal <sumit.semwal@...aro.org>
Subject: [PATCH v2 v3.18-rc4 2/4] drm: prime: Document gem_prime_mmap

gem_prime_map is not currently described in the DRM manual, lets document
it.

Signed-off-by: Daniel Thompson <daniel.thompson@...aro.org>
---
 drivers/gpu/drm/drm_prime.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index 8467b17c8053..5d00c8726133 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -309,7 +309,7 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops =  {
  * Drivers can implement @gem_prime_export and @gem_prime_import in terms of
  * simpler APIs by using the helper functions @drm_gem_prime_export and
  * @drm_gem_prime_import.  These functions implement dma-buf support in terms of
- * five lower-level driver callbacks:
+ * six lower-level driver callbacks:
  *
  * Export callbacks:
  *
@@ -321,6 +321,8 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops =  {
  *
  *  - @gem_prime_vunmap: vunmap a buffer exported by your driver
  *
+ *  - @gem_prime_mmap (optional): mmap a buffer exported by your driver
+ *
  * Import callback:
  *
  *  - @gem_prime_import_sg_table (import): produce a GEM object from another
-- 
1.9.3

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