Unverified Commit 118eb0e5 authored by Florian Fainelli's avatar Florian Fainelli Committed by Mark Brown
Browse files

spi: bcm2835: Implement shutdown callback 



Make sure we clear the FIFOs, stop the block, disable the clock and
release the DMA channel.

Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20200528190605.24850-1-f.fainelli@gmail.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent b7d73cb6

drivers/spi/spi-bcm2835.c

+10 −0
Original line number Diff line number Diff line
@@ -1391,6 +1391,15 @@ static int bcm2835_spi_remove(struct platform_device *pdev) 
	return 0;

}



static void bcm2835_spi_shutdown(struct platform_device *pdev)

{

	int ret;



	ret = bcm2835_spi_remove(pdev);

	if (ret)

		dev_err(&pdev->dev, "failed to shutdown\n");

}



static const struct of_device_id bcm2835_spi_match[] = {

	{ .compatible = "brcm,bcm2835-spi", },

	{}
@@ -1404,6 +1413,7 @@ static struct platform_driver bcm2835_spi_driver = { 
	},

	.probe		= bcm2835_spi_probe,

	.remove		= bcm2835_spi_remove,

	.shutdown	= bcm2835_spi_shutdown,

};

module_platform_driver(bcm2835_spi_driver);