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Commit 6e532afa authored by Boris Brezillon's avatar Boris Brezillon
Browse files

mtd: nand: atmel: Add PM ops 



Provide a ->resume() hook to make sure the NAND timings are correctly
restored by resetting all chips connected to the controller.

Signed-off-by: default avatarBoris Brezillon <boris.brezillon@free-electrons.com>
parent f9ce2edd

drivers/mtd/nand/atmel/nand-controller.c

+18 −0
Original line number Diff line number Diff line
@@ -2506,6 +2506,24 @@ static int atmel_nand_controller_remove(struct platform_device *pdev) 
	return nc->caps->ops->remove(nc);

}



static int atmel_nand_controller_resume(struct device *dev)

{

	struct atmel_nand_controller *nc = dev_get_drvdata(dev);

	struct atmel_nand *nand;



	list_for_each_entry(nand, &nc->chips, node) {

		int i;



		for (i = 0; i < nand->numcs; i++)

			nand_reset(&nand->base, i);

	}



	return 0;

}



static SIMPLE_DEV_PM_OPS(atmel_nand_controller_pm_ops, NULL,

			 atmel_nand_controller_resume);



static struct platform_driver atmel_nand_controller_driver = {

	.driver = {

		.name = "atmel-nand-controller",