diff options
author | Suzuki K Poulose <suzuki.poulose@arm.com> | 2019-07-23 23:18:32 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-07-30 13:07:41 +0200 |
commit | 6cda08a20dbde45b021091230c8a359fa08c5103 (patch) | |
tree | 6017a1b2e4a83b7fd330d404691e33da0df2726a /drivers/base | |
parent | 5f9e832c137075045d15cd6899ab0505cfb2ca4b (diff) | |
download | linux-6cda08a20dbde45b021091230c8a359fa08c5103.tar.bz2 |
drivers: Introduce device lookup variants by name
Add a helper to match the device name for device lookup. Also
reuse this generic exported helper for the existing bus_find_device_by_name().
and add similar variants for driver/class.
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexander Aring <alex.aring@gmail.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Dan Murphy <dmurphy@ti.com>
Cc: Harald Freudenberger <freude@linux.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: linux-leds@vger.kernel.org
Cc: linux-rtc@vger.kernel.org
Cc: linux-usb@vger.kernel.org
Cc: linux-wpan@vger.kernel.org
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Peter Oberparleiter <oberpar@linux.ibm.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Stefan Schmidt <stefan@datenfreihafen.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20190723221838.12024-2-suzuki.poulose@arm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base')
-rw-r--r-- | drivers/base/bus.c | 24 | ||||
-rw-r--r-- | drivers/base/core.c | 6 |
2 files changed, 6 insertions, 24 deletions
diff --git a/drivers/base/bus.c b/drivers/base/bus.c index df3cac739813..a1d1e8256324 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -342,30 +342,6 @@ struct device *bus_find_device(struct bus_type *bus, } EXPORT_SYMBOL_GPL(bus_find_device); -static int match_name(struct device *dev, const void *data) -{ - const char *name = data; - - return sysfs_streq(name, dev_name(dev)); -} - -/** - * bus_find_device_by_name - device iterator for locating a particular device of a specific name - * @bus: bus type - * @start: Device to begin with - * @name: name of the device to match - * - * This is similar to the bus_find_device() function above, but it handles - * searching by a name automatically, no need to write another strcmp matching - * function. - */ -struct device *bus_find_device_by_name(struct bus_type *bus, - struct device *start, const char *name) -{ - return bus_find_device(bus, start, (void *)name, match_name); -} -EXPORT_SYMBOL_GPL(bus_find_device_by_name); - /** * subsys_find_device_by_id - find a device with a specific enumeration number * @subsys: subsystem diff --git a/drivers/base/core.c b/drivers/base/core.c index da84a73f2ba6..fb83647d685a 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -3357,6 +3357,12 @@ void device_set_of_node_from_dev(struct device *dev, const struct device *dev2) } EXPORT_SYMBOL_GPL(device_set_of_node_from_dev); +int device_match_name(struct device *dev, const void *name) +{ + return sysfs_streq(dev_name(dev), name); +} +EXPORT_SYMBOL_GPL(device_match_name); + int device_match_of_node(struct device *dev, const void *np) { return dev->of_node == np; |