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Subject[PATCH 6/8] ata: ahci_brcm: Add a shutdown callback
Date
Make sure that we quiesce the controller and shut down the clocks in a
shutdown callback.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
drivers/ata/ahci_brcm.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)

diff --git a/drivers/ata/ahci_brcm.c b/drivers/ata/ahci_brcm.c
index 76612577a59a..58e1a6e5478d 100644
--- a/drivers/ata/ahci_brcm.c
+++ b/drivers/ata/ahci_brcm.c
@@ -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,
--
2.17.1
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