ata: ahci_brcm: Add a shutdown callback (7de9b168) · Commits · 戴 / test

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

drivers/ata/ahci_brcm.c

+15 −0

Original line number	Diff line number	Diff line
		@@ -532,11 +532,26 @@ static int brcm_ahci_remove(struct platform_device *pdev)
		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 struct platform_driver brcm_ahci_driver = {
		.probe = brcm_ahci_probe,
		.remove = brcm_ahci_remove,
		.shutdown = brcm_ahci_shutdown,
		.driver = {
		.name = DRV_NAME,
		.of_match_table = ahci_of_match,