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Commit de217c1c authored by Claudiu Beznea's avatar Claudiu Beznea Committed by Boris Brezillon
Browse files

mtd: spi-nor: atmel-quadspi: add suspend/resume hooks 



Implement suspend/resume hooks.

Signed-off-by: default avatarClaudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: default avatarTudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: default avatarBoris Brezillon <boris.brezillon@bootlin.com>
parent 38ebbe2b

drivers/mtd/spi-nor/atmel-quadspi.c

+21 −0
Original line number Diff line number Diff line
@@ -737,6 +737,26 @@ static int atmel_qspi_remove(struct platform_device *pdev) 
	return 0;

}



static int __maybe_unused atmel_qspi_suspend(struct device *dev)

{

	struct atmel_qspi *aq = dev_get_drvdata(dev);



	clk_disable_unprepare(aq->clk);



	return 0;

}



static int __maybe_unused atmel_qspi_resume(struct device *dev)

{

	struct atmel_qspi *aq = dev_get_drvdata(dev);



	clk_prepare_enable(aq->clk);



	return atmel_qspi_init(aq);

}



static SIMPLE_DEV_PM_OPS(atmel_qspi_pm_ops, atmel_qspi_suspend,

			 atmel_qspi_resume);



static const struct of_device_id atmel_qspi_dt_ids[] = {

	{ .compatible = "atmel,sama5d2-qspi" },
@@ -749,6 +769,7 @@ static struct platform_driver atmel_qspi_driver = { 
	.driver = {

		.name	= "atmel_qspi",

		.of_match_table	= atmel_qspi_dt_ids,

		.pm	= &atmel_qspi_pm_ops,

	},

	.probe		= atmel_qspi_probe,

	.remove		= atmel_qspi_remove,