From patchwork Wed Mar 5 14:18:26 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kamil Debski X-Patchwork-Id: 3774951 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 33D0BBF13A for ; Wed, 5 Mar 2014 14:21:29 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4EAC32020A for ; Wed, 5 Mar 2014 14:21:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 34C8F20203 for ; Wed, 5 Mar 2014 14:21:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755171AbaCEOTj (ORCPT ); Wed, 5 Mar 2014 09:19:39 -0500 Received: from mailout2.samsung.com ([203.254.224.25]:18706 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755067AbaCEOTi (ORCPT ); Wed, 5 Mar 2014 09:19:38 -0500 Received: from epcpsbgm2.samsung.com (epcpsbgm2 [203.254.230.27]) by mailout2.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0N1Y007VFVSOAR20@mailout2.samsung.com>; Wed, 05 Mar 2014 23:19:37 +0900 (KST) X-AuditID: cbfee61b-b7f456d000006dfd-a9-531732781e4e Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 60.1C.28157.87237135; Wed, 05 Mar 2014 23:19:36 +0900 (KST) Received: from AMDC1342.digital.local ([106.116.147.39]) by mmp2.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0N1Y00KH9VQT78B0@mmp2.samsung.com>; Wed, 05 Mar 2014 23:19:36 +0900 (KST) 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, sander@humilis.net Subject: [PATCH v8 2/4] phy: core: Add devm_of_phy_get to phy-core Date: Wed, 05 Mar 2014 15:18:26 +0100 Message-id: <1394029108-2531-3-git-send-email-k.debski@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1394029108-2531-1-git-send-email-k.debski@samsung.com> References: <1394029108-2531-1-git-send-email-k.debski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrDLMWRmVeSWpSXmKPExsVy+t9jQd0KI/Fgg70zdSyW7L7BajH/yDlW i/43C1kt2q4cZLe4vPASq8WP1xfYLC487WGzONv0Bii2aw6bxYzz+5gsFi1rZbZYe+Quu8XZ /ttsFhObprFbnN/SyWRx+E07q8WKe7vZLSb8BupdP+M1i0Xb6g+sFh1nD7I7iHpc7utl8tg5 6y67x6e3i5k97lzbw+bx7xi7x+y7Pxg9+rasYvQ4fmM7k8fnTXIBnFFcNimpOZllqUX6dglc GQue3WYs+CVScXHdNtYGxsmCXYycHBICJhLPJ81mgbDFJC7cW8/WxcjFISQwnVHi0IxlzBBO B5PE5bv7gTIcHGwCmhKr7nmANIgI1EhMuXWFHaSGWWAes8SHL9PBJgkLOEk8b1zDBGKzCKhK fPi9lxHE5hVwlrj29wEjyBwJAQWJOZNsQMKcAi4ST7c/BCsXAirp/LmAeQIj7wJGhlWMoqkF yQXFSem5RnrFibnFpXnpesn5uZsYwXHwTHoH46oGi0OMAhyMSjy8LzjEgoVYE8uKK3MPMUpw MCuJ8EZriQcL8aYkVlalFuXHF5XmpBYfYpTmYFES5z3Yah0oJJCeWJKanZpakFoEk2Xi4JRq YAy52HA3/GX+jGPirDsyTjTZ8bJobktu/O3iJ2rxeI51Kut6n3vbngtuXnDUSzv466TN2S3v Y5cmTOpjnPhB7LfqLt/Px5/yfPLbVL4v4d/f19I3A6rWLru9es/VCINbq7bwl6+WuaM18XPh RF2F3o7zWa9uZ+8tStP4tvShoW9ET3nH3fKzEyWUWIozEg21mIuKEwF7dHhJfwIAAA== Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-3.9 required=5.0 tests=BAYES_00,KHOP_BIG_TO_CC, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 | 8 ++++++++ 2 files changed, 39 insertions(+) diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index 7c1b0e1..623b71c 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -526,6 +526,37 @@ struct phy *devm_phy_optional_get(struct device *dev, const char *string) EXPORT_SYMBOL_GPL(devm_phy_optional_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 2fe3194..bcbf96c 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -149,6 +149,8 @@ struct phy *phy_get(struct device *dev, const char *string); struct phy *phy_optional_get(struct device *dev, const char *string); struct phy *devm_phy_get(struct device *dev, const char *string); struct phy *devm_phy_optional_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); @@ -252,6 +254,12 @@ static inline struct phy *devm_phy_optional_get(struct device *dev, return ERR_PTR(-ENOSYS); } +struct phy *devm_of_phy_get(struct device *dev, struct device_node *np, + const char *con_id) +{ + return ERR_PTR(-ENOSYS); +} + static inline void phy_put(struct phy *phy) { }