# \[PATCH v6 75/80\] drm: kernel-doc: add description for a new function parameter

- From: Mauro Carvalho Chehab \<mchehab+huawei@kernel.org\>
- Date: 2020-10-13 11:58:18 
- List: linux-doc
- Page: https://ratatoskr.run/linux-doc/2020/10/6138529
- Thread: https://ratatoskr.run/linux-doc/2020/10/6138538/t.md

```text
As reported by "make htmldocs":

	./drivers/gpu/drm/drm_prime.c:808: warning: Function parameter or member 'dev' not described in 'drm_prime_pages_to_sg'

Add a description for the new parameter.

Fixes: 707d561f77b5 ("drm: allow limiting the scatter list size.")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
 drivers/gpu/drm/drm_prime.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index 1693aa7c14b5..1395688930f8 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -793,6 +793,7 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops =  {
 
 /**
  * drm_prime_pages_to_sg - converts a page array into an sg list
+ * @dev: DRM device
  * @pages: pointer to the array of page pointers to convert
  * @nr_pages: length of the page vector
  *
-- 
2.26.2

```