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authorArvind Yadav <arvind.yadav.cs@gmail.com>2017-07-25 15:44:29 +0530
committerMark Brown <broonie@kernel.org>2017-07-26 13:00:18 +0100
commit8698475a94d0b7eb21efaa346d507dc4932f2032 (patch)
tree9e733b816c93194ea1bf770693d13d8fa0e6d96e
parentd2d2c0a0f0e230e9650e778d0d5c7ed6d1bcffb0 (diff)
ASoC: samsung: s3c24xx: Handle return value of clk_prepare_enable.
clk_prepare_enable() can fail here and we must check its return value. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r--sound/soc/samsung/s3c24xx-i2s.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/sound/soc/samsung/s3c24xx-i2s.c b/sound/soc/samsung/s3c24xx-i2s.c
index 91e6871e5413..8d58d02183bf 100644
--- a/sound/soc/samsung/s3c24xx-i2s.c
+++ b/sound/soc/samsung/s3c24xx-i2s.c
@@ -340,6 +340,7 @@ EXPORT_SYMBOL_GPL(s3c24xx_i2s_get_clockrate);
static int s3c24xx_i2s_probe(struct snd_soc_dai *dai)
{
+ int ret;
snd_soc_dai_init_dma_data(dai, &s3c24xx_i2s_pcm_stereo_out,
&s3c24xx_i2s_pcm_stereo_in);
@@ -348,7 +349,9 @@ static int s3c24xx_i2s_probe(struct snd_soc_dai *dai)
pr_err("failed to get iis_clock\n");
return PTR_ERR(s3c24xx_i2s.iis_clk);
}
- clk_prepare_enable(s3c24xx_i2s.iis_clk);
+ ret = clk_prepare_enable(s3c24xx_i2s.iis_clk);
+ if (ret)
+ return ret;
/* Configure the I2S pins (GPE0...GPE4) in correct mode */
s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
@@ -377,7 +380,11 @@ static int s3c24xx_i2s_suspend(struct snd_soc_dai *cpu_dai)
static int s3c24xx_i2s_resume(struct snd_soc_dai *cpu_dai)
{
- clk_prepare_enable(s3c24xx_i2s.iis_clk);
+ int ret;
+
+ ret = clk_prepare_enable(s3c24xx_i2s.iis_clk);
+ if (ret)
+ return ret;
writel(s3c24xx_i2s.iiscon, s3c24xx_i2s.regs + S3C2410_IISCON);
writel(s3c24xx_i2s.iismod, s3c24xx_i2s.regs + S3C2410_IISMOD);