From: Heiko Stuebner Date: Thu, 19 Nov 2015 21:22:22 +0000 (+0100) Subject: phy: rockchip-usb: fix clock get-put mismatch X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=75d390fecf9e69eebca7f15de40d761e33fcfd7b;p=openwrt%2Fstaging%2Fblogic.git phy: rockchip-usb: fix clock get-put mismatch 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 Reviewed-by: Douglas Anderson Signed-off-by: Kishon Vijay Abraham I --- diff --git a/drivers/phy/phy-rockchip-usb.c b/drivers/phy/phy-rockchip-usb.c index 62c43c435194..e941444072ba 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;