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Commit 4407319d authored by Boris Brezillon's avatar Boris Brezillon Committed by Lee Jones
Browse files

memory: atmel-ebi: Add PM ops 



Add a ->resume() hook to make sure the EBI dev configs are correctly
restored when resuming the platform.

Signed-off-by: default avatarBoris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: default avatarNicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent aaa572b9

drivers/memory/atmel-ebi.c

+20 −0
Original line number Diff line number Diff line
@@ -507,6 +507,8 @@ static int atmel_ebi_probe(struct platform_device *pdev) 
	if (!ebi)

		return -ENOMEM;



	platform_set_drvdata(pdev, ebi);



	INIT_LIST_HEAD(&ebi->devs);

	ebi->caps = match->data;

	ebi->dev = dev;
@@ -579,10 +581,28 @@ static int atmel_ebi_probe(struct platform_device *pdev) 
	return of_platform_populate(np, NULL, NULL, dev);

}



static int atmel_ebi_resume(struct device *dev)

{

	struct atmel_ebi *ebi = dev_get_drvdata(dev);

	struct atmel_ebi_dev *ebid;



	list_for_each_entry(ebid, &ebi->devs, node) {

		int i;



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

			ebid->ebi->caps->apply_config(ebid, &ebid->configs[i]);

	}



	return 0;

}



static SIMPLE_DEV_PM_OPS(atmel_ebi_pm_ops, NULL, atmel_ebi_resume);



static struct platform_driver atmel_ebi_driver = {

	.driver = {

		.name = "atmel-ebi",

		.of_match_table	= atmel_ebi_id_table,

		.pm = &atmel_ebi_pm_ops,

	},

};

builtin_platform_driver_probe(atmel_ebi_driver, atmel_ebi_probe);