From: Heiko Stuebner <he...@sntech.de>

Currently the phy driver only gets the optional clock reference but
never puts it again, neither during error handling nor on remove.
Fix that by moving the clk_put to a devm-action that gets called at
the right time when all other devm actions are done.

Signed-off-by: Heiko Stuebner <he...@sntech.de>
Reviewed-by: Douglas Anderson <diand...@chromium.org>
Signed-off-by: Kishon Vijay Abraham I <kis...@ti.com>
---
 drivers/phy/phy-rockchip-usb.c |   12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/phy/phy-rockchip-usb.c b/drivers/phy/phy-rockchip-usb.c
index 62c43c4..e941444 100644
--- a/drivers/phy/phy-rockchip-usb.c
+++ b/drivers/phy/phy-rockchip-usb.c
@@ -90,6 +90,14 @@ static const struct phy_ops ops = {
        .owner          = THIS_MODULE,
 };
 
+static void rockchip_usb_phy_action(void *data)
+{
+       struct rockchip_usb_phy *rk_phy = data;
+
+       if (rk_phy->clk)
+               clk_put(rk_phy->clk);
+}
+
 static int rockchip_usb_phy_probe(struct platform_device *pdev)
 {
        struct device *dev = &pdev->dev;
@@ -123,6 +131,10 @@ static int rockchip_usb_phy_probe(struct platform_device 
*pdev)
                rk_phy->reg_offset = reg_offset;
                rk_phy->reg_base = grf;
 
+               err = devm_add_action(dev, rockchip_usb_phy_action, rk_phy);
+               if (err)
+                       return err;
+
                rk_phy->clk = of_clk_get_by_name(child, "phyclk");
                if (IS_ERR(rk_phy->clk))
                        rk_phy->clk = NULL;
-- 
1.7.9.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to