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ata: ahci_brcm: Add a shutdown callback

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Make sure that we quiesce the controller and shut down the clocks in a
shutdown callback.

Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Florian Fainelli 2019-12-10 10:53:49 -08:00 committed by Jens Axboe
parent 3c696ac417
commit 7de9b1688c
1 changed files with 15 additions and 0 deletions
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15
drivers/ata/ahci_brcm.c
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@ -532,11 +532,26 @@ static int brcm_ahci_remove(struct platform_device *pdev)
return 0; return 0;
} }
static void brcm_ahci_shutdown(struct platform_device *pdev)
{
int ret;
/* All resources releasing happens via devres, but our device, unlike a
* proper remove is not disappearing, therefore using
* brcm_ahci_suspend() here which does explicit power management is
* appropriate.
*/
ret = brcm_ahci_suspend(&pdev->dev);
if (ret)
dev_err(&pdev->dev, "failed to shutdown\n");
}
static SIMPLE_DEV_PM_OPS(ahci_brcm_pm_ops, brcm_ahci_suspend, brcm_ahci_resume); static SIMPLE_DEV_PM_OPS(ahci_brcm_pm_ops, brcm_ahci_suspend, brcm_ahci_resume);
static struct platform_driver brcm_ahci_driver = { static struct platform_driver brcm_ahci_driver = {
.probe = brcm_ahci_probe, .probe = brcm_ahci_probe,
.remove = brcm_ahci_remove, .remove = brcm_ahci_remove,
.shutdown = brcm_ahci_shutdown,
.driver = { .driver = {
.name = DRV_NAME, .name = DRV_NAME,
.of_match_table = ahci_of_match, .of_match_table = ahci_of_match,