From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161405AbbKSVXM (ORCPT ); Thu, 19 Nov 2015 16:23:12 -0500 Received: from gloria.sntech.de ([95.129.55.99]:36485 "EHLO gloria.sntech.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758811AbbKSVXG (ORCPT ); Thu, 19 Nov 2015 16:23:06 -0500 From: Heiko Stuebner To: kishon@ti.com, mturquette@baylibre.com, sboyd@codeaurora.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, dianders@chromium.org, romain.perier@gmail.com, arnd@arndb.de, hl@rock-chips.com, Heiko Stuebner Subject: [PATCH v3 1/8] phy: rockchip-usb: fix clock get-put mismatch Date: Thu, 19 Nov 2015 22:22:22 +0100 Message-Id: <1447968149-10979-2-git-send-email-heiko@sntech.de> X-Mailer: git-send-email 2.6.2 In-Reply-To: <1447968149-10979-1-git-send-email-heiko@sntech.de> References: <1447968149-10979-1-git-send-email-heiko@sntech.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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; -- 2.6.2