From: Bartosz Golaszewski <brgl@bgdev.pl>
To: Jonathan Corbet <corbet@lwn.net>, Sekhar Nori <nsekhar@ti.com>,
Kevin Hilman <khilman@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
David Woodhouse <dwmw2@infradead.org>,
Brian Norris <computersforpeace@gmail.com>,
Boris Brezillon <boris.brezillon@bootlin.com>,
Marek Vasut <marek.vasut@gmail.com>,
Richard Weinberger <richard@nod.at>,
Grygorii Strashko <grygorii.strashko@ti.com>,
"David S . Miller" <davem@davemloft.net>,
Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
Naren <naren.kernel@gmail.com>,
Mauro Carvalho Chehab <mchehab+samsung@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Lukas Wunner <lukas@wunner.de>,
Dan Carpenter <dan.carpenter@oracle.com>,
Florian Fainelli <f.fainelli@gmail.com>,
Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>,
Sven Van Asbroeck <svendev@arcx.com>,
Paolo Abeni <pabeni@redhat.com>, Alban Bedel <albeu@free.fr>,
Rob Herring <robh@kernel.org>,
David Lechner <david@lechnology.com>,
Andrew Lunn <andrew@lunn.ch>
Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org,
linux-mtd@lists.infradead.org, linux-omap@vger.kernel.org,
netdev@vger.kernel.org,
Bartosz Golaszewski <bgolaszewski@baylibre.com>
Subject: [PATCH 04/28] nvmem: provide nvmem_device_name()
Date: Wed, 8 Aug 2018 17:31:26 +0200 [thread overview]
Message-ID: <20180808153150.23444-5-brgl@bgdev.pl> (raw)
In-Reply-To: <20180808153150.23444-1-brgl@bgdev.pl>
From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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 <bgolaszewski@baylibre.com>
---
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)
--
2.18.0
next prev parent reply other threads:[~2018-08-08 15:37 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-08 15:31 [PATCH 00/28] at24: remove at24_platform_data Bartosz Golaszewski
2018-08-08 15:31 ` [PATCH 01/28] nvmem: add support for cell lookups Bartosz Golaszewski
2018-08-08 15:31 ` [PATCH 02/28] Documentation: nvmem: document lookup entries Bartosz Golaszewski
2018-08-08 15:31 ` [PATCH 03/28] nvmem: add a notifier chain Bartosz Golaszewski
2018-08-08 16:13 ` Andrew Lunn
2018-08-08 16:30 ` Bartosz Golaszewski
2018-08-08 15:31 ` Bartosz Golaszewski [this message]
2018-08-08 17:42 ` [PATCH 04/28] nvmem: provide nvmem_device_name() Andy Shevchenko
2018-08-08 15:31 ` [PATCH 05/28] nvmem: remove the name field from struct nvmem_device Bartosz Golaszewski
2018-08-08 15:31 ` [PATCH 06/28] mtd: Add support for reading MTD devices via the nvmem API Bartosz Golaszewski
2018-08-08 16:20 ` Andrew Lunn
2018-08-08 16:26 ` Bartosz Golaszewski
2018-08-08 15:31 ` [PATCH 07/28] ARM: davinci: dm365-evm: use nvmem lookup for mac address Bartosz Golaszewski
2018-08-08 17:43 ` Andy Shevchenko
2018-08-08 15:31 ` [PATCH 08/28] ARM: davinci: dm644-evm: " Bartosz Golaszewski
2018-08-08 15:31 ` [PATCH 09/28] ARM: davinci: dm646x-evm: " Bartosz Golaszewski
2018-08-08 15:31 ` [PATCH 10/28] ARM: davinci: da830-evm: " Bartosz Golaszewski
2018-08-08 15:31 ` [PATCH 11/28] ARM: davinci: mityomapl138: add nvmem cells lookup entries Bartosz Golaszewski
2018-08-08 15:31 ` [PATCH 12/28] ARM: davinci: da850-evm: use nvmem lookup for mac address Bartosz Golaszewski
2018-08-08 15:31 ` [PATCH 13/28] ARM: davinci: da850-evm: remove unnecessary include Bartosz Golaszewski
2018-08-08 15:31 ` [PATCH 14/28] net: split eth_platform_get_mac_address() into subroutines Bartosz Golaszewski
2018-08-08 17:50 ` Andy Shevchenko
2018-08-09 11:12 ` Bartosz Golaszewski
2018-08-08 15:31 ` [PATCH 15/28] net: add support for nvmem to eth_platform_get_mac_address() Bartosz Golaszewski
2018-08-08 15:31 ` [PATCH 16/28] net: davinci_emac: use eth_platform_get_mac_address() Bartosz Golaszewski
2018-08-08 15:31 ` [PATCH 17/28] ARM: davinci: da850-evm: remove dead MTD code Bartosz Golaszewski
2018-08-08 15:31 ` [PATCH 18/28] ARM: davinci: mityomapl138: don't read the MAC address from machine code Bartosz Golaszewski
2018-08-08 15:31 ` [PATCH 19/28] ARM: davinci: dm365-evm: use device properties for at24 eeprom Bartosz Golaszewski
2018-08-08 17:54 ` Andy Shevchenko
2018-08-08 15:31 ` [PATCH 20/28] ARM: davinci: da830-evm: " Bartosz Golaszewski
2018-08-08 17:55 ` Andy Shevchenko
2018-08-08 15:31 ` [PATCH 21/28] ARM: davinci: dm644x-evm: " Bartosz Golaszewski
2018-08-08 17:55 ` Andy Shevchenko
2018-08-08 17:59 ` Andy Shevchenko
2018-08-08 15:31 ` [PATCH 22/28] ARM: davinci: dm646x-evm: " Bartosz Golaszewski
2018-08-08 17:56 ` Andy Shevchenko
2018-08-08 15:31 ` [PATCH 23/28] ARM: davinci: sffsdr: fix the at24 eeprom device name Bartosz Golaszewski
2018-08-08 15:31 ` [PATCH 24/28] ARM: davinci: sffsdr: use device properties for at24 eeprom Bartosz Golaszewski
2018-08-08 17:57 ` Andy Shevchenko
2018-08-08 18:00 ` Andy Shevchenko
2018-08-08 15:31 ` [PATCH 25/28] ARM: davinci: remove dead code related to MAC address reading Bartosz Golaszewski
2018-08-08 15:31 ` [PATCH 26/28] ARM: davinci: mityomapl138: use nvmem notifiers Bartosz Golaszewski
2018-08-08 15:31 ` [PATCH 27/28] ARM: davinci: mityomapl138: use device properties for at24 eeprom Bartosz Golaszewski
2018-08-08 17:58 ` Andy Shevchenko
2018-08-08 18:00 ` Andy Shevchenko
2018-08-08 15:31 ` [PATCH 28/28] eeprom: at24: kill at24_platform_data Bartosz Golaszewski
2018-08-08 18:03 ` Andy Shevchenko
2018-08-09 11:33 ` Bartosz Golaszewski
2018-08-09 11:35 ` Bartosz Golaszewski
2018-08-08 15:55 ` [PATCH 00/28] at24: remove at24_platform_data Wolfram Sang
2018-08-08 16:27 ` Bartosz Golaszewski
2018-08-08 16:44 ` Andrew Lunn
2018-08-08 16:52 ` Bartosz Golaszewski
2018-08-10 8:12 ` Sekhar Nori
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