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spi/bcm63xx: check return value of clk_prepare_enable

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Ensure we notice if the clock cannot be enabled for any reason and pass
the error down.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Jonas Gorski
2013-12-17 21:42:09 +01:00
committed by Mark Brown
parent 20e9e78f8b
commit ea01e8a4cd
1 changed files with 8 additions and 2 deletions
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drivers/spi/spi-bcm63xx.c
+8 -2
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@@ -399,7 +399,10 @@ static int bcm63xx_spi_probe(struct platform_device *pdev)
} }
/* Initialize hardware */ /* Initialize hardware */
clk_prepare_enable(bs->clk); ret = clk_prepare_enable(bs->clk);
if (ret)
goto out_err;
bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS); bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS);
/* register and we are done */ /* register and we are done */
@@ -452,8 +455,11 @@ static int bcm63xx_spi_resume(struct device *dev)
{ {
struct spi_master *master = dev_get_drvdata(dev); struct spi_master *master = dev_get_drvdata(dev);
struct bcm63xx_spi *bs = spi_master_get_devdata(master); struct bcm63xx_spi *bs = spi_master_get_devdata(master);
int ret;
clk_prepare_enable(bs->clk); ret = clk_prepare_enable(bs->clk);
if (ret)
return ret;
spi_master_resume(master); spi_master_resume(master);