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[1/3] drm/ttm: fix documentation of ttm_bo_reserve

Message ID 1449938545-8707-1-git-send-email-nhaehnle@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Nicolai Hähnle Dec. 12, 2015, 4:42 p.m. UTC 
From: Nicolai Hähnle <Nicolai.Haehnle@amd.com>

Previously, the comment was inconsistent. EDEADLK is what the ww_mutex
mechanism really returns.

Signed-off-by: Nicolai Hähnle <Nicolai.Haehnle@amd.com>
---
 include/drm/ttm/ttm_bo_driver.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 813042c..3d4bf08 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -826,10 +826,10 @@  static inline int __ttm_bo_reserve(struct ttm_buffer_object *bo,
  * reserved, the validation sequence is checked against the validation
  * sequence of the process currently reserving the buffer,
  * and if the current validation sequence is greater than that of the process
- * holding the reservation, the function returns -EAGAIN. Otherwise it sleeps
+ * holding the reservation, the function returns -EDEADLK. Otherwise it sleeps
  * waiting for the buffer to become unreserved, after which it retries
  * reserving.
- * The caller should, when receiving an -EAGAIN error
+ * The caller should, when receiving an -EDEADLK error
  * release all its buffer reservations, wait for @bo to become unreserved, and
  * then rerun the validation with the same validation sequence. This procedure
  * will always guarantee that the process with the lowest validation sequence