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spi/bcm63xx: check return value of clk_prepare_enable
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>
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1 changed files with 8 additions and 2 deletions
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@ -399,7 +399,10 @@ static int bcm63xx_spi_probe(struct platform_device *pdev)
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}
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/* Initialize hardware */
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clk_prepare_enable(bs->clk);
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ret = clk_prepare_enable(bs->clk);
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if (ret)
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goto out_err;
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bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS);
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/* register and we are done */
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@ -452,8 +455,11 @@ static int bcm63xx_spi_resume(struct device *dev)
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{
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struct spi_master *master = dev_get_drvdata(dev);
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struct bcm63xx_spi *bs = spi_master_get_devdata(master);
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int ret;
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clk_prepare_enable(bs->clk);
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ret = clk_prepare_enable(bs->clk);
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if (ret)
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return ret;
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spi_master_resume(master);
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