From 6beb8201bbc41a50ccf2c3b0aecfc93c6d8be763 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolai=20H=C3=A4hnle?= <Nicolai.Haehnle@amd.com>
Date: Sat, 12 Dec 2015 11:42:23 -0500
Subject: [PATCH] drm/ttm: fix documentation of ttm_bo_reserve
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Previously, the comment was inconsistent. EDEADLK is what the ww_mutex
mechanism really returns.

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

diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 813042cede57..3d4bf08aa21f 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
-- 
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