diff options
| author | Suzuki K Poulose <suzuki.poulose@arm.com> | 2019-07-24 01:18:35 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-07-30 14:07:42 +0300 |
| commit | 4495dfdd6193d9712b7b8f5d699d89d5996e6aaa (patch) | |
| tree | aa15b229fd464d03088a71c613fdf0b445c2e89b /drivers/tty/tty_io.c | |
| parent | 67843bbaf36eb087714f40e783ee78e99e9e4b86 (diff) | |
| download | linux-4495dfdd6193d9712b7b8f5d699d89d5996e6aaa.tar.xz | |
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/tty/tty_io.c')
| -rw-r--r-- | drivers/tty/tty_io.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 566728fbaf3c..802c1210558f 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -2952,17 +2952,11 @@ void do_SAK(struct tty_struct *tty) EXPORT_SYMBOL(do_SAK); -static int dev_match_devt(struct device *dev, const void *data) -{ - const dev_t *devt = data; - return dev->devt == *devt; -} - /* Must put_device() after it's unused! */ static struct device *tty_get_device(struct tty_struct *tty) { dev_t devt = tty_devnum(tty); - return class_find_device(tty_class, NULL, &devt, dev_match_devt); + return class_find_device_by_devt(tty_class, devt); } |