From patchwork Thu Dec 5 12:29:32 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kamil Debski X-Patchwork-Id: 3287981 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 EF6FEC0D4A for ; Thu, 5 Dec 2013 12:31:54 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4DA3520519 for ; Thu, 5 Dec 2013 12:31:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 588A1204A7 for ; Thu, 5 Dec 2013 12:31:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756729Ab3LEMbj (ORCPT ); Thu, 5 Dec 2013 07:31:39 -0500 Received: from mailout1.samsung.com ([203.254.224.24]:65450 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756647Ab3LEMaI (ORCPT ); Thu, 5 Dec 2013 07:30:08 -0500 Received: from epcpsbgm2.samsung.com (epcpsbgm2 [203.254.230.27]) by mailout1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MXC00E9P2Q7E730@mailout1.samsung.com>; Thu, 05 Dec 2013 21:30:07 +0900 (KST) X-AuditID: cbfee61b-b7f006d000003e1f-2b-52a071cfda7e Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id DB.82.15903.FC170A25; Thu, 05 Dec 2013 21:30:07 +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 <0MXC00EOH2PI9590@mmp2.samsung.com>; Thu, 05 Dec 2013 21:30:06 +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, Kamil Debski Subject: [PATCH 2/9] phy: core: Add devm_of_phy_get to phy-core Date: Thu, 05 Dec 2013 13:29:32 +0100 Message-id: <1386246579-25141-3-git-send-email-k.debski@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1386246579-25141-1-git-send-email-k.debski@samsung.com> References: <1386246579-25141-1-git-send-email-k.debski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrLLMWRmVeSWpSXmKPExsVy+t9jQd3zhQuCDBYsVbZYsvsGq8X8I+dY LfrfLGS1aLtykN3i8sJLrBY/Xl9gs7jwtIfN4mzTG6DYrjlsFjPO72OyWLSsldli7ZG77BZn +2+zWUxsmsZucX5LJ5PF4TftrBbrZ7xmseg4e5DdQcjjcl8vk8fOWXfZPe5c28Pm0bdlFaPH 8RvbmTw+b5ILYIvisklJzcksSy3St0vgypg+7TRrwRHBiv2HTzI2MK7i62Lk5JAQMJHY+/sb M4QtJnHh3nq2LkYuDiGB6YwSR28tYYFwOpgkPh79xd7FyMHBJqApseqeB0iDiECNxJRbV9hB bGaBu0wSqzdqgdjCAvYSq9ZdBRvKIqAq8WHlSyYQm1fAReLv3stsIGMkBBQk5kyyAQlzCrhK rJx4GCwsBFSy5ormBEbeBYwMqxhFUwuSC4qT0nON9IoTc4tL89L1kvNzNzGCA/mZ9A7GVQ0W hxgFOBiVeHhfJM4PEmJNLCuuzD3EKMHBrCTCK5yzIEiINyWxsiq1KD++qDQntfgQozQHi5I4 78FW60AhgfTEktTs1NSC1CKYLBMHp1QDY8N7n5cpphMe5e68oJM3XfBo+dWFH94cjnUtY3h1 PvL/2YdvTm9oas1tWB36i/VscOjPH94f7j9atGAq2/mO59sn8estvelg6Lpw651jcm9YLs9d 7HIk73ucxdTQt3MUd/9tjZL4+0bMchvTx5urPDvkdfqrL+a61d/jv/nm/E+PTVl8PN/u1goq sRRnJBpqMRcVJwIAVutu12ACAAA= 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=-6.9 required=5.0 tests=BAYES_00, 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 the device_node instead of by name. Signed-off-by: Kamil Debski Signed-off-by: Kyungmin Park --- 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 7fb3474..b39b48c 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -421,6 +421,37 @@ 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 + * @index: the index of the phy + * + * Gets the phy using 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, int + index) +{ + 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, index); + 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 169f572..f143ee8 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, int + index); 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, int index);