linux-kernel - [PATCH] ASoC: arizona: match wait_for_completion

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Message-Id: <1425820609-28684-1-git-send-email-hofrat@osadl.org>
Date:	Sun,  8 Mar 2015 09:16:49 -0400
From:	Nicholas Mc Guire <hofrat@...dl.org>
To:	Liam Girdwood <lgirdwood@...il.com>
Cc:	Mark Brown <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.de>,
	Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>,
	Lee Jones <lee.jones@...aro.org>,
	Richard Fitzgerald <rf@...nsource.wolfsonmicro.com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	patches@...nsource.wolfsonmicro.com, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org, Nicholas Mc Guire <hofrat@...dl.org>
Subject: [PATCH] ASoC: arizona: 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>
---

Note that the error message
 "Timed out waiting for lock"
might not be that clear in a kernel log message as it 
could probably be read as relating to a kernel lock 
 "Timed out waiting for FLL lock"
might be clearer.

This was only compile tested for exynos_defconfig + CONFIG_COMPILE_TEST=y
SND_SOC_ALL_CODECS=m, EXTCON_ARIZONA=m, CONFIG_MFD_ARIZONA_SPI=m, 
CONFIG_MFD_WM5102=y, (implies SND_SOC_ARIZONA=m)

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

 sound/soc/codecs/arizona.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 95d31d6..57da0ce 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -1902,7 +1902,7 @@ static int arizona_is_enabled_fll(struct arizona_fll *fll)
 static int arizona_enable_fll(struct arizona_fll *fll)
 {
 	struct arizona *arizona = fll->arizona;
-	int ret;
+	unsigned long time_left;
 	bool use_sync = false;
 	int already_enabled = arizona_is_enabled_fll(fll);
 	struct arizona_fll_cfg cfg;
@@ -1978,9 +1978,9 @@ static int arizona_enable_fll(struct arizona_fll *fll)
 		regmap_update_bits_async(arizona->regmap, fll->base + 1,
 					 ARIZONA_FLL1_FREERUN, 0);
 
-	ret = wait_for_completion_timeout(&fll->ok,
+	time_left = wait_for_completion_timeout(&fll->ok,
 					  msecs_to_jiffies(250));
-	if (ret == 0)
+	if (time_left == 0)
 		arizona_fll_warn(fll, "Timed out waiting for lock\n");
 
 	return 0;
-- 
1.7.10.4

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