From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932733Ab3LTNYt (ORCPT ); Fri, 20 Dec 2013 08:24:49 -0500 Received: from mailout3.samsung.com ([203.254.224.33]:60199 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932554Ab3LTNYp (ORCPT ); Fri, 20 Dec 2013 08:24:45 -0500 X-AuditID: cbfee61b-b7f456d000006dfd-5e-52b4451b9d69 From: Kamil Debski To: linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org Cc: kyungmin.park@samsung.com, kishon@ti.com, t.figa@samsung.com, s.nawrocki@samsung.com, m.szyprowski@samsung.com, gautam.vivek@samsung.com, mat.krawczuk@gmail.com, yulgon.kim@samsung.com, p.paneri@samsung.com, av.tikhomirov@samsung.com, jg1.han@samsung.com, galak@codeaurora.org, matt.porter@linaro.org, k.debski@samsung.com, tjakobi@math.uni-bielefeld.de, stern@rowland.harvard.edu Subject: [PATCH v4 2/9] phy: core: Add devm_of_phy_get to phy-core Date: Fri, 20 Dec 2013 14:24:08 +0100 Message-id: <1387545857-9472-3-git-send-email-k.debski@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1387545857-9472-1-git-send-email-k.debski@samsung.com> References: <1387545857-9472-1-git-send-email-k.debski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrILMWRmVeSWpSXmKPExsVy+t9jQV1p1y1BBh/Pq1ss2X2D1WL+kXOs Fv1vFrJatF05yG5xeeElVosfry+wWVx42sNmcbbpDVBs1xw2ixnn9zFZLFrWymyx9shddouz /bfZLCY2TWO3OL+lk8ni8Jt2VosJv4Ha1s94zWLRtvoDq0XH2YPsDiIel/t6mTx2zrrL7nHn 2h42j3/H2D1m3/3B6NG3ZRWjx/Eb25k8Pm+SC+CI4rJJSc3JLEst0rdL4MrY96mbveC6YMXZ STfYGxh383UxcnJICJhIbOx/xgJhi0lcuLeerYuRi0NIYDqjxLapO1kgnA4miUm7J7B2MXJw sAloSqy65wHSICJQIzHl1hV2kBpmgS5miQnbTrOBJIQFnCTu9P5gBLFZBFQlVl1uZgbp5RVw lmheoANiSggoSMyZZANSwSngIjFz8SKwTiGgit9nH7FOYORdwMiwilE0tSC5oDgpPddIrzgx t7g0L10vOT93EyM44J9J72Bc1WBxiFGAg1GJh7dAf3OQEGtiWXFl7iFGCQ5mJRHefu0tQUK8 KYmVValF+fFFpTmpxYcYpTlYlMR5D7ZaBwoJpCeWpGanphakFsFkmTg4pRoYN4RUTd47YVXr 5RBvJ8Uzhi0XQ+72slTYcc6eO1tjR0EX++qjVwRNo+bbvpe8cebSgVTHqtOq4alabOudF9Qq 1paG/XqwWqeFm22F1h6mycefxk302SK9fWPH6vDdCp9lSvZLa82ommAmc8PndM97j8RlFyvv 1fjWBP8wEyo3Lpx31mr6QvMSJZbijERDLeai4kQASWlWsXQCAAA= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adding devm_of_phy_get will allow to get phys by supplying a pointer to the struct device_node instead of struct device. Signed-off-by: Kamil Debski --- drivers/phy/phy-core.c | 31 +++++++++++++++++++++++++++++++ include/linux/phy/phy.h | 2 ++ 2 files changed, 33 insertions(+) diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index d6f8c34..0551cc3 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -450,6 +450,37 @@ struct phy *devm_phy_get(struct device *dev, const char *string) EXPORT_SYMBOL_GPL(devm_phy_get); /** + * devm_of_phy_get() - lookup and obtain a reference to a phy. + * @dev: device that requests this phy + * @np: node containing the phy + * @con_id: name of the phy from device's point of view + * + * Gets the phy using of_phy_get(), and associates a device with it using + * devres. On driver detach, release function is invoked on the devres data, + * then, devres data is freed. + */ +struct phy *devm_of_phy_get(struct device *dev, struct device_node *np, + const char *con_id) +{ + struct phy **ptr, *phy; + + ptr = devres_alloc(devm_phy_release, sizeof(*ptr), GFP_KERNEL); + if (!ptr) + return ERR_PTR(-ENOMEM); + + phy = of_phy_get(np, con_id); + if (!IS_ERR(phy)) { + *ptr = phy; + devres_add(dev, ptr); + } else { + devres_free(ptr); + } + + return phy; +} +EXPORT_SYMBOL_GPL(devm_of_phy_get); + +/** * phy_create() - create a new phy * @dev: device that is creating the new phy * @ops: function pointers for performing phy operations diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h index bcb6274..864914c 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -129,6 +129,8 @@ int phy_power_on(struct phy *phy); int phy_power_off(struct phy *phy); struct phy *phy_get(struct device *dev, const char *string); struct phy *devm_phy_get(struct device *dev, const char *string); +struct phy *devm_of_phy_get(struct device *dev, struct device_node *np, + const char *con_id); void phy_put(struct phy *phy); void devm_phy_put(struct device *dev, struct phy *phy); struct phy *of_phy_get(struct device_node *np, const char *con_id); -- 1.7.9.5