diff options
| author | Suzuki K Poulose | 2019-07-23 23:18:35 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2019-07-30 13:07:42 +0200 |
| commit | 4495dfdd6193d9712b7b8f5d699d89d5996e6aaa (patch) | |
| tree | aa15b229fd464d03088a71c613fdf0b445c2e89b /drivers/s390/crypto | |
| parent | 67843bbaf36eb087714f40e783ee78e99e9e4b86 (diff) | |
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/s390/crypto')
| -rw-r--r-- | drivers/s390/crypto/zcrypt_api.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index 38a5a47b8c9c..150f6236c9bb 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -133,12 +133,6 @@ struct zcdn_device { static int zcdn_create(const char *name); static int zcdn_destroy(const char *name); -/* helper function, matches the devt value for find_zcdndev_by_devt() */ -static int __match_zcdn_devt(struct device *dev, const void *data) -{ - return dev->devt == *((dev_t *) data); -} - /* * Find zcdn device by name. * Returns reference to the zcdn device which needs to be released @@ -158,10 +152,7 @@ static inline struct zcdn_device *find_zcdndev_by_name(const char *name) */ static inline struct zcdn_device *find_zcdndev_by_devt(dev_t devt) { - struct device *dev = - class_find_device(zcrypt_class, NULL, - (void *) &devt, - __match_zcdn_devt); + struct device *dev = class_find_device_by_devt(zcrypt_class, devt); return dev ? to_zcdn_dev(dev) : NULL; } |