linux-kernel - [PATCH 2/6] gpu: host1x: Fix syncpoint wait return value

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Date:	Fri, 17 May 2013 14:49:44 +0300
From:	Arto Merilainen <amerilainen@...dia.com>
To:	<thierry.reding@...onic-design.de>, <airlied@...ux.ie>,
	<linux-tegra@...r.kernel.org>
CC:	<tbergstrom@...dia.com>, <dri-devel@...ts.freedesktop.org>,
	<linux-kernel@...r.kernel.org>,
	Arto Merilainen <amerilainen@...dia.com>
Subject: [PATCH 2/6] gpu: host1x: Fix syncpoint wait return value

Syncpoint wait returned EAGAIN if it was called with zero timeout.
This patch modifies the function to return ETIMEDOUT.

Signed-off-by: Arto Merilainen <amerilainen@...dia.com>
---
 drivers/gpu/host1x/syncpt.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/host1x/syncpt.c b/drivers/gpu/host1x/syncpt.c
index 4b49345..5bf5366 100644
--- a/drivers/gpu/host1x/syncpt.c
+++ b/drivers/gpu/host1x/syncpt.c
@@ -187,7 +187,7 @@ int host1x_syncpt_wait(struct host1x_syncpt *sp, u32 thresh, long timeout,
 	}
 
 	if (!timeout) {
-		err = -EAGAIN;
+		err = -ETIMEDOUT;
 		goto done;
 	}
 
@@ -205,7 +205,7 @@ int host1x_syncpt_wait(struct host1x_syncpt *sp, u32 thresh, long timeout,
 	if (err)
 		goto done;
 
-	err = -EAGAIN;
+	err = -ETIMEDOUT;
 	/* Caller-specified timeout may be impractically low */
 	if (timeout < 0)
 		timeout = LONG_MAX;
-- 
1.7.9.5

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