Commit 937ebf9c authored by Jonas Gorski's avatar Jonas Gorski Committed by Mark Brown
Browse files

spi/bcm63xx-hsspi: fix pm sleep support 



Use the right CONFIG symbol to guard, properly (un)preprare clocks on
suspend/resume, and check the result of it.

Signed-off-by: default avatarJonas Gorski <jogo@openwrt.org>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent 7d255695

drivers/spi/spi-bcm63xx-hsspi.c

+10 −13
Original line number Diff line number Diff line
@@ -425,14 +425,14 @@ static int bcm63xx_hsspi_remove(struct platform_device *pdev) 
	return 0;

}



#ifdef CONFIG_PM

#ifdef CONFIG_PM_SLEEP

static int bcm63xx_hsspi_suspend(struct device *dev)

{

	struct spi_master *master = dev_get_drvdata(dev);

	struct bcm63xx_hsspi *bs = spi_master_get_devdata(master);



	spi_master_suspend(master);

	clk_disable(bs->clk);

	clk_disable_unprepare(bs->clk);



	return 0;

}
@@ -441,30 +441,27 @@ static int bcm63xx_hsspi_resume(struct device *dev) 
{

	struct spi_master *master = dev_get_drvdata(dev);

	struct bcm63xx_hsspi *bs = spi_master_get_devdata(master);

	int ret;



	ret = clk_prepare_enable(bs->clk);

	if (ret)

		return ret;



	clk_enable(bs->clk);

	spi_master_resume(master);



	return 0;

}

#endif



static const struct dev_pm_ops bcm63xx_hsspi_pm_ops = {

	.suspend	= bcm63xx_hsspi_suspend,

	.resume		= bcm63xx_hsspi_resume,

	SET_SYSTEM_SLEEP_PM_OPS(bcm63xx_hsspi_suspend, bcm63xx_hsspi_resume)

};



#define BCM63XX_HSSPI_PM_OPS	(&bcm63xx_hsspi_pm_ops)

#else

#define BCM63XX_HSSPI_PM_OPS	NULL

#endif







static struct platform_driver bcm63xx_hsspi_driver = {

	.driver = {

		.name	= "bcm63xx-hsspi",

		.owner	= THIS_MODULE,

		.pm	= BCM63XX_HSSPI_PM_OPS,

		.pm	= &bcm63xx_hsspi_pm_ops,

	},

	.probe		= bcm63xx_hsspi_probe,

	.remove		= bcm63xx_hsspi_remove,