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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: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Boris Brezillon 2017-03-16 09:30:34 +01:00 committed by Lee Jones
parent aaa572b945
commit 4407319d8f
1 changed files with 20 additions and 0 deletions
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20
drivers/memory/atmel-ebi.c
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@ -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);