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authorSuzuki K Poulose <suzuki.poulose@arm.com>2019-07-24 00:18:32 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-07-30 13:07:41 +0200
commit6cda08a20dbde45b021091230c8a359fa08c5103 (patch)
tree6017a1b2e4a83b7fd330d404691e33da0df2726a /drivers/rtc/interface.c
parentLinus 5.3-rc1 (diff)
downloadlinux-6cda08a20dbde45b021091230c8a359fa08c5103.tar.xz
linux-6cda08a20dbde45b021091230c8a359fa08c5103.zip
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/rtc/interface.c')
-rw-r--r--drivers/rtc/interface.c11
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 72b7ddc43116..c93ef33b01d3 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -663,21 +663,12 @@ void rtc_update_irq(struct rtc_device *rtc,
}
EXPORT_SYMBOL_GPL(rtc_update_irq);
-static int __rtc_match(struct device *dev, const void *data)
-{
- const char *name = data;
-
- if (strcmp(dev_name(dev), name) == 0)
- return 1;
- return 0;
-}
-
struct rtc_device *rtc_class_open(const char *name)
{
struct device *dev;
struct rtc_device *rtc = NULL;
- dev = class_find_device(rtc_class, NULL, name, __rtc_match);
+ dev = class_find_device_by_name(rtc_class, name);
if (dev)
rtc = to_rtc_device(dev);