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| author | Axel Lin <axel.lin@ingics.com> | 2014-02-26 09:47:55 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-03-10 11:21:57 +0000 |
| commit | 2aa237f4a1a72813f9684a0ce6e48288e75de479 (patch) | |
| tree | 86401e6f9afb4846afba3eae86a91ae9443c93d7 /drivers/spi/spi-coldfire-qspi.c | |
| parent | 3531b717d05273e45efd2ab7903ea013aaec3fea (diff) | |
| download | lwn-2aa237f4a1a72813f9684a0ce6e48288e75de479.tar.gz lwn-2aa237f4a1a72813f9684a0ce6e48288e75de479.zip | |
spi: coldfire-qspi: Enable clock before calling spi_master_resume
This ensures clock has been enabled before calling spi_master_resume().
while at it, also add checking return value of spi_master_suspend and
spi_master_resume because they may fail.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/spi/spi-coldfire-qspi.c')
| -rw-r--r-- | drivers/spi/spi-coldfire-qspi.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/spi/spi-coldfire-qspi.c b/drivers/spi/spi-coldfire-qspi.c index 8d594c6704ad..94d817523d5f 100644 --- a/drivers/spi/spi-coldfire-qspi.c +++ b/drivers/spi/spi-coldfire-qspi.c @@ -473,8 +473,11 @@ static int mcfqspi_suspend(struct device *dev) { struct spi_master *master = dev_get_drvdata(dev); struct mcfqspi *mcfqspi = spi_master_get_devdata(master); + int ret; - spi_master_suspend(master); + ret = spi_master_suspend(master); + if (ret) + return ret; clk_disable(mcfqspi->clk); @@ -486,11 +489,9 @@ static int mcfqspi_resume(struct device *dev) struct spi_master *master = dev_get_drvdata(dev); struct mcfqspi *mcfqspi = spi_master_get_devdata(master); - spi_master_resume(master); - clk_enable(mcfqspi->clk); - return 0; + return spi_master_resume(master); } #endif |