From: Jai Luthra <jai.luthra@ideasonboard.com>
Date: Mon, 24 Feb 2025 12:40:05 +0000 (+0530)
Subject: phy: cadence: cdns-dphy-rx: Add runtime PM support
X-Git-Tag: v6.18-rc1~62^2~60
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=497e78c7a3a069f4fc62ef501d067fea27db6af4;p=thirdparty%2Fkernel%2Fstable.git

phy: cadence: cdns-dphy-rx: Add runtime PM support

Enable runtime power management for the device. The PHY framework
handles calling pm_runtime_(get|put)_sync when powering on/off this
device.

Signed-off-by: Jai Luthra <jai.luthra@ideasonboard.com>
Link: https://lore.kernel.org/r/20250224-cdns_phy_pm-v1-1-0fe2c544cc87@ideasonboard.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
---

diff --git a/drivers/phy/cadence/cdns-dphy-rx.c b/drivers/phy/cadence/cdns-dphy-rx.c
index 7729cf80a9bd8..3ac80141189c4 100644
--- a/drivers/phy/cadence/cdns-dphy-rx.c
+++ b/drivers/phy/cadence/cdns-dphy-rx.c
@@ -12,6 +12,7 @@
 #include <linux/phy/phy.h>
 #include <linux/phy/phy-mipi-dphy.h>
 #include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
 #include <linux/sys_soc.h>
 
 #define DPHY_PMA_CMN(reg)		(reg)
@@ -265,7 +266,7 @@ static int cdns_dphy_rx_probe(struct platform_device *pdev)
 		return PTR_ERR(provider);
 	}
 
-	return 0;
+	return devm_pm_runtime_enable(dev);
 }
 
 static const struct of_device_id cdns_dphy_rx_of_match[] = {