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| author | Arvind Yadav <arvind.yadav.cs@gmail.com> | 2017-07-25 12:15:18 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-07-26 14:01:33 +0200 |
| commit | 3643e9172649f97f2e6301582890202abcc0f97e (patch) | |
| tree | f4625d614ae24375aae88fc3637c1e5aeffa0be2 /sound | |
| parent | ASoC: sun4i: explicitly request exclusive reset control (diff) | |
| download | linux-3643e9172649f97f2e6301582890202abcc0f97e.tar.xz linux-3643e9172649f97f2e6301582890202abcc0f97e.zip | |
ASoC: sun4i-spdif: 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>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/sunxi/sun4i-spdif.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sound/soc/sunxi/sun4i-spdif.c b/sound/soc/sunxi/sun4i-spdif.c index c49f3757b686..b4af4aabead1 100644 --- a/sound/soc/sunxi/sun4i-spdif.c +++ b/sound/soc/sunxi/sun4i-spdif.c @@ -458,11 +458,16 @@ static int sun4i_spdif_runtime_suspend(struct device *dev) static int sun4i_spdif_runtime_resume(struct device *dev) { struct sun4i_spdif_dev *host = dev_get_drvdata(dev); + int ret; - clk_prepare_enable(host->spdif_clk); - clk_prepare_enable(host->apb_clk); + ret = clk_prepare_enable(host->spdif_clk); + if (ret) + return ret; + ret = clk_prepare_enable(host->apb_clk); + if (ret) + clk_disable_unprepare(host->spdif_clk); - return 0; + return ret; } static int sun4i_spdif_probe(struct platform_device *pdev) |