Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752609AbaA2Rak (ORCPT ); Wed, 29 Jan 2014 12:30:40 -0500 Received: from mailout1.samsung.com ([203.254.224.24]:39123 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752578AbaA2RaC (ORCPT ); Wed, 29 Jan 2014 12:30:02 -0500 X-AuditID: cbfee61a-b7fb26d00000724f-9c-52e93a98de83 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 v6 2/8] phy: core: Add devm_of_phy_get to phy-core Date: Wed, 29 Jan 2014 18:29:28 +0100 Message-id: <1391016574-25237-3-git-send-email-k.debski@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1391016574-25237-1-git-send-email-k.debski@samsung.com> References: <1391016574-25237-1-git-send-email-k.debski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrILMWRmVeSWpSXmKPExsVy+t9jAd0ZVi+DDDY12Vgs2X2D1WL+kXOs Fv1vFrJatF05yG5xeeElVosfry+wWVx42sNmcbbpDVBs1xw2ixnn9zFZLFrWymyx9shddouz /bfZLCY2TWO3OL+lk8ni8Jt2VosJv4Ha1s94zWLRtvoDq0XH2YPsDiIel/t6mTx2zrrL7nHn 2h42j3/H2D1m3/3B6NG3ZRWjx/Eb25k8Pm+SC+CI4rJJSc3JLEst0rdL4Mr4s2IHW8FKkYq2 A5tYGhiPCXQxcnJICJhIfHx5mR3CFpO4cG89WxcjF4eQwCJGiSWt31lBEkICHUwSm164dTFy cLAJaEqsuucBEhYRqJGYcusKO0g9s0AXs8SEbafZQBLCAk4SM8/PAhvKIqAq0X10OQuIzSvg IvH9ywMWkDkSAgoScybZgIQ5BVwlOmZcZINY5SKxumcN2wRG3gWMDKsYRVMLkguKk9JzDfWK E3OLS/PS9ZLzczcxggP+mdQOxpUNFocYBTgYlXh4V1x8HiTEmlhWXJl7iFGCg1lJhDfK8GWQ EG9KYmVValF+fFFpTmrxIUZpDhYlcd4DrdaBQgLpiSWp2ampBalFMFkmDk6pBsb8haFfKtiX 1333+WaWsuVYZ70Sl4R37mzWBxNkvbK0Sw7eWDn/IesfpiXqb3bHdtbpMQcJrbqn7mn6sVfx 4u6t5i45R/b9Z7rINttA2Vdn19VEG52sTIunt9d1fdQVMfUJs94kNu3Hgn0xv3j0W6u+XKk0 PvEscka55JaHJVr87F8W733ztVyJpTgj0VCLuag4EQCAL9nmdAIAAA== 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 | 8 ++++++++ 2 files changed, 39 insertions(+) diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index a1d4387..6e32fb0 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -468,6 +468,37 @@ 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 5cffc69..b17d6d2 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -147,6 +147,8 @@ static inline void phy_set_bus_width(struct phy *phy, int bus_width) } 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); @@ -238,6 +240,12 @@ static inline struct phy *devm_phy_get(struct device *dev, const char *string) 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) { } -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/