linux-kernel - [PATCH] soc: tegra: match wait_for_completion

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Message-Id: <1425885146-29065-1-git-send-email-hofrat@osadl.org>
Date:	Mon,  9 Mar 2015 03:12:26 -0400
From:	Nicholas Mc Guire <hofrat@...dl.org>
To:	Stephen Warren <swarren@...dotorg.org>
Cc:	Thierry Reding <thierry.reding@...il.com>,
	Alexandre Courbot <gnurou@...il.com>,
	Peter De Schrijver <pdeschrijver@...dia.com>,
	Wolfram Sang <wsa@...-dreams.de>, linux-tegra@...r.kernel.org,
	linux-kernel@...r.kernel.org, Nicholas Mc Guire <hofrat@...dl.org>
Subject: [PATCH] soc: tegra: match wait_for_completion_timeout return type

return type of wait_for_completion_timeout is unsigned long not int. An
appropriately named unsigned long is added and the assignment fixed up.

Signed-off-by: Nicholas Mc Guire <hofrat@...dl.org>
---

This was only compile tested for tegra_defconfig 
(implies CONFIG_ARCH_TEGRA_2x_SOC=y)

Patch is against 4.0-rc2 linux-next (localversion-next is -next-20150306)

 drivers/soc/tegra/fuse/fuse-tegra20.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/soc/tegra/fuse/fuse-tegra20.c b/drivers/soc/tegra/fuse/fuse-tegra20.c
index 5eff6f0..6acc2c4 100644
--- a/drivers/soc/tegra/fuse/fuse-tegra20.c
+++ b/drivers/soc/tegra/fuse/fuse-tegra20.c
@@ -59,6 +59,7 @@ static u32 tegra20_fuse_readl(const unsigned int offset)
 	int ret;
 	u32 val = 0;
 	struct dma_async_tx_descriptor *dma_desc;
+	unsigned long time_left;
 
 	mutex_lock(&apb_dma_lock);
 
@@ -82,9 +83,10 @@ static u32 tegra20_fuse_readl(const unsigned int offset)
 
 	dmaengine_submit(dma_desc);
 	dma_async_issue_pending(apb_dma_chan);
-	ret = wait_for_completion_timeout(&apb_dma_wait, msecs_to_jiffies(50));
+	time_left = wait_for_completion_timeout(&apb_dma_wait,
+						msecs_to_jiffies(50));
 
-	if (WARN(ret == 0, "apb read dma timed out"))
+	if (WARN(time_left == 0, "apb read dma timed out"))
 		dmaengine_terminate_all(apb_dma_chan);
 	else
 		val = *apb_buffer;
-- 
1.7.10.4

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