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[90.118.185.89]) by smtp.gmail.com with ESMTPSA id s2-v6sm5240915wrw.52.2018.08.08.08.33.31 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 08 Aug 2018 08:33:33 -0700 (PDT) From: Bartosz Golaszewski To: Jonathan Corbet , Sekhar Nori , Kevin Hilman , Russell King , Arnd Bergmann , Greg Kroah-Hartman , David Woodhouse , Brian Norris , Boris Brezillon , Marek Vasut , Richard Weinberger , Grygorii Strashko , "David S . Miller" , Srinivas Kandagatla , Naren , Mauro Carvalho Chehab , Andrew Morton , Lukas Wunner , Dan Carpenter , Florian Fainelli , Ivan Khoronzhuk , Sven Van Asbroeck , Paolo Abeni , Alban Bedel , Rob Herring , David Lechner , Andrew Lunn Subject: [PATCH 04/28] nvmem: provide nvmem_device_name() Date: Wed, 8 Aug 2018 17:31:26 +0200 Message-Id: <20180808153150.23444-5-brgl@bgdev.pl> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180808153150.23444-1-brgl@bgdev.pl> References: <20180808153150.23444-1-brgl@bgdev.pl> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180808_083343_496687_A213FD8F X-CRM114-Status: GOOD ( 16.10 ) X-Spam-Score: -0.0 (/) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:442 listed in] [list.dnswl.org] -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.0 T_DKIMWL_WL_MED DKIMwl.org - Whitelisted Medium sender X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-doc@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski , linux-mtd@lists.infradead.org, linux-i2c@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org From: Bartosz Golaszewski Kernel users don't have any means of checking the names of nvmem devices. Add a routine that returns the name of the nvmem provider. This will be useful for nvmem notifier subscribers - otherwise they can't check what device is being added/removed. Signed-off-by: Bartosz Golaszewski --- drivers/nvmem/core.c | 6 ++++++ include/linux/nvmem-consumer.h | 7 +++++++ 2 files changed, 13 insertions(+) diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 128c8e51bff2..b040370292a7 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -1440,6 +1440,12 @@ int nvmem_device_write(struct nvmem_device *nvmem, } EXPORT_SYMBOL_GPL(nvmem_device_write); +const char *nvmem_device_name(struct nvmem_device *nvmem) +{ + return dev_name(&nvmem->dev); +} +EXPORT_SYMBOL_GPL(nvmem_device_name); + static int __init nvmem_init(void) { return bus_register(&nvmem_bus_type); diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h index ae4d30347602..c4000a218f67 100644 --- a/include/linux/nvmem-consumer.h +++ b/include/linux/nvmem-consumer.h @@ -69,6 +69,8 @@ int nvmem_device_cell_write(struct nvmem_device *nvmem, int nvmem_register_notifier(struct notifier_block *nb); int nvmem_unregister_notifier(struct notifier_block *nb); + +const char *nvmem_device_name(struct nvmem_device *nvmem); #else static inline struct nvmem_cell *nvmem_cell_get(struct device *dev, @@ -167,6 +169,11 @@ static inline int int nvmem_unregister_notifier(struct notifier_block *nb) { return -ENOSYS; } + +static inline const char *nvmem_device_name(struct nvmem_device *nvmem) +{ + return ERR_PTR(-ENOSYS); +} #endif /* CONFIG_NVMEM */ #if IS_ENABLED(CONFIG_NVMEM) && IS_ENABLED(CONFIG_OF)