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spi/s3c64xx: Check that clock enables succeed on runtime resume

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Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Mark Brown 2013-09-27 18:44:53 +01:00
parent 67651b29ef
commit 8b06d5b857
1 changed files with 10 additions and 2 deletions
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12
drivers/spi/spi-s3c64xx.c
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@ -1524,9 +1524,17 @@ static int s3c64xx_spi_runtime_resume(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master);
int ret;
clk_prepare_enable(sdd->src_clk);
clk_prepare_enable(sdd->clk);
ret = clk_prepare_enable(sdd->src_clk);
if (ret != 0)
return ret;
ret = clk_prepare_enable(sdd->clk);
if (ret != 0) {
clk_disable_unprepare(sdd->src_clk);
return ret;
}
return 0;
}