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| author |   Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com> | 2017-08-08 11:00:03 +0200 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2017-08-08 10:43:41 +0100 |
| commit | 802740890c4200c9266aee3139c5bd8e9b154e8f (patch) | |
| tree | 0768049555060dc79eb07cebc015b65d96d47aad /drivers/spi/spi-cadence.c | |
| parent | spi: cadence: change sequence of calling runtime_enable (diff) | |
| download | linux-dev-802740890c4200c9266aee3139c5bd8e9b154e8f.tar.xz linux-dev-802740890c4200c9266aee3139c5bd8e9b154e8f.zip | |
spi: cadence: Add support for context loss
Context could be lost across the suspend and resume.
Reinit the driver to tide over.
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-cadence.c')
| -rw-r--r-- | drivers/spi/spi-cadence.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c index 5e02f9b91688..5c9516ae4942 100644 --- a/drivers/spi/spi-cadence.c +++ b/drivers/spi/spi-cadence.c @@ -704,7 +704,9 @@ static int __maybe_unused cdns_spi_resume(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct spi_master *master = platform_get_drvdata(pdev); + struct cdns_spi *xspi = spi_master_get_devdata(master); + cdns_spi_init_hw(xspi); return spi_master_resume(master); } |