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>
This commit is contained in:
Shubhrajyoti Datta 2017-08-08 11:00:03 +02:00 committed by Mark Brown
parent 48767fd898
commit 802740890c

View File

@ -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);
}