From patchwork Fri Dec 13 14:03:00 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kamil Debski X-Patchwork-Id: 3340531 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 05968C0D4A for ; Fri, 13 Dec 2013 14:03:50 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5B446207B8 for ; Fri, 13 Dec 2013 14:03:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9892420795 for ; Fri, 13 Dec 2013 14:03:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752714Ab3LMODU (ORCPT ); Fri, 13 Dec 2013 09:03:20 -0500 Received: from mailout1.samsung.com ([203.254.224.24]:26677 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752524Ab3LMODS (ORCPT ); Fri, 13 Dec 2013 09:03:18 -0500 Received: from epcpsbgm1.samsung.com (epcpsbgm1 [203.254.230.26]) by mailout1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MXR00CDX0DHPO70@mailout1.samsung.com>; Fri, 13 Dec 2013 23:03:17 +0900 (KST) X-AuditID: cbfee61a-b7f7e6d000005936-f7-52ab13a4ff1e Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id BB.CA.22838.4A31BA25; Fri, 13 Dec 2013 23:03:17 +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 <0MXR00K780D36M60@mmp2.samsung.com>; Fri, 13 Dec 2013 23:03:16 +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: kishon@ti.com, t.figa@samsung.com, m.szyprowski@samsung.com, gautam.vivek@samsung.com, matt.porter@linaro.org, k.debski@samsung.com Subject: [PATCH v2 2/2] phy: core: Add devm_of_phy_get to phy-core Date: Fri, 13 Dec 2013 15:03:00 +0100 Message-id: <1386943380-28596-2-git-send-email-k.debski@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1386943380-28596-1-git-send-email-k.debski@samsung.com> References: <1386943380-28596-1-git-send-email-k.debski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprFLMWRmVeSWpSXmKPExsVy+t9jQd2lwquDDF5OYrSYf+Qcq0XblYPs Fj9eX2CzuPC0h83i8q45bBYzzu9jsli0rJXZYu2Ru+wWE5umsVusn/GaxYHL4861PWwefVtW MXocv7GdyePzJrkAligum5TUnMyy1CJ9uwSujPlbe9kKJgpVXOv4xt7A+ISvi5GDQ0LARKLp oFwXIyeQKSZx4d56ti5GLg4hgemMEtN+nWSBcDqYJPqOHGMFaWAT0JRYdc8DpEFEoEZiyq0r 7CA2s0Ano8TltmoQW1jASeLd98VsIOUsAqoSrx+pgoR5BVwk5u7ZywixVkFiziQbkDCngKvE jnunWEFsIaCSda+XsUxg5F3AyLCKUTS1ILmgOCk911CvODG3uDQvXS85P3cTIzjEnkntYFzZ YHGIUYCDUYmH16N3VZAQa2JZcWXuIUYJDmYlEV4vvtVBQrwpiZVVqUX58UWlOanFhxilOViU xHkPtFoHCgmkJ5akZqemFqQWwWSZODilGhjXfmp/Evx3Zr+A1+1c15qXM50mbC6IcF9575jr 3NtSJ880+W0X3LbA631IU29DnKP006U97WEacYrTd+eu5sgs9r7It1Xmm8tiYydLlx1vVx5c mP/9x5QN2x9l+JyaHe+4aRkX65rwOf8eJ4nYbbLrfa2tNGVp6cltfSdCHd0evftS+lLolul3 JZbijERDLeai4kQATVze8i0CAAA= 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 --- It seems that my git send-email is playing up and sent the previous emails without from. This is a resend. Sorry for any confusion. --- 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 f0dbd42..661f7ab 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -446,6 +446,37 @@ 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..db36d81 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);