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| author | Suzuki K Poulose <suzuki.poulose@arm.com> | 2019-07-23 23:18:35 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-07-30 13:07:42 +0200 |
| commit | 4495dfdd6193d9712b7b8f5d699d89d5996e6aaa (patch) | |
| tree | aa15b229fd464d03088a71c613fdf0b445c2e89b /drivers/misc/mei/main.c | |
| parent | 67843bbaf36eb087714f40e783ee78e99e9e4b86 (diff) | |
| download | lwn-4495dfdd6193d9712b7b8f5d699d89d5996e6aaa.tar.gz lwn-4495dfdd6193d9712b7b8f5d699d89d5996e6aaa.zip | |
drivers: Introduce device lookup variants by device type
Add a helper to match a device by its type and provide wrappers
for {bus/class/driver}_find_device() APIs.
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Harald Freudenberger <freude@linux.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: linux-usb@vger.kernel.org
Cc: Oliver Neukum <oneukum@suse.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Tomas Winkler <tomas.winkler@intel.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20190723221838.12024-5-suzuki.poulose@arm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/main.c')
| -rw-r--r-- | drivers/misc/mei/main.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index f894d1f8a53e..7310b476323c 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -858,13 +858,6 @@ static ssize_t dev_state_show(struct device *device, } static DEVICE_ATTR_RO(dev_state); -static int match_devt(struct device *dev, const void *data) -{ - const dev_t *devt = data; - - return dev->devt == *devt; -} - /** * dev_set_devstate: set to new device state and notify sysfs file. * @@ -880,7 +873,7 @@ void mei_set_devstate(struct mei_device *dev, enum mei_dev_state state) dev->dev_state = state; - clsdev = class_find_device(mei_class, NULL, &dev->cdev.dev, match_devt); + clsdev = class_find_device_by_devt(mei_class, dev->cdev.dev); if (clsdev) { sysfs_notify(&clsdev->kobj, NULL, "dev_state"); put_device(clsdev); |