From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753980Ab3LPMwv (ORCPT ); Mon, 16 Dec 2013 07:52:51 -0500 Received: from mailout2.samsung.com ([203.254.224.25]:25603 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753675Ab3LPMws (ORCPT ); Mon, 16 Dec 2013 07:52:48 -0500 X-AuditID: cbfee61a-b7f7e6d000005936-8a-52aef79ed328 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 v3 2/2] phy: core: Add devm_of_phy_get to phy-core Date: Mon, 16 Dec 2013 13:52:18 +0100 Message-id: <1387198338-10556-2-git-send-email-k.debski@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1387198338-10556-1-git-send-email-k.debski@samsung.com> References: <1387198338-10556-1-git-send-email-k.debski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprNLMWRmVeSWpSXmKPExsVy+t9jQd1539cFGfTvtLKYf+Qcq0XblYPs Fj9eX2CzuPC0h83i8q45bBYzzu9jsli0rJXZYu2Ru+wWE5umsVusn/GaxYHL4861PWwefVtW MXocv7GdyePzJrkAligum5TUnMyy1CJ9uwSujMWL/7AX7BKseDfhEUsD4yK+LkZODgkBE4n1 u5exQthiEhfurWfrYuTiEBKYzijxZ9dHJging0ni5J3LjF2MHBxsApoSq+55gDSICNRITLl1 hR3EZhboZJS43FYNUiIs4CRxb3YsSJhFQFVi1eXZLCA2r4CLxMWj19hBSiQEFCTmTLIBCXMK uEos3/KKCcQWAipZdOcj0wRG3gWMDKsYRVMLkguKk9JzDfWKE3OLS/PS9ZLzczcxgoPsmdQO xpUNFocYBTgYlXh4FSzXBQmxJpYVV+YeYpTgYFYS4a0/DhTiTUmsrEotyo8vKs1JLT7EKM3B oiTOe6DVOlBIID2xJDU7NbUgtQgmy8TBKdXA2PeFRfml4v2PGYnd9s418lfNHrXbpk9zEPO8 IfLj2ynWXJmTv5fl3+51tXOz+jt7dledKPOG9j0yiw7dXnE65VZa5iaxL887rij+rm3zdHO4 lHSJLzkrxlJk3i/nhTXeooqzTy75eUVmd/i9n7ztlaod+i8+nYkyTXtyp66y0982hkuG6Uy9 EktxRqKhFnNRcSIAalIlZC4CAAA= 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 the device_node instead of by name. 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 0107f71..d45ad87 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 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