diff options
| -rw-r--r-- | drivers/base/bus.c | 24 | ||||
| -rw-r--r-- | drivers/base/core.c | 6 | ||||
| -rw-r--r-- | drivers/hwtracing/stm/core.c | 9 | ||||
| -rw-r--r-- | drivers/leds/led-class.c | 9 | ||||
| -rw-r--r-- | drivers/rtc/interface.c | 11 | ||||
| -rw-r--r-- | drivers/s390/cio/ccwgroup.c | 10 | ||||
| -rw-r--r-- | drivers/s390/cio/device.c | 15 | ||||
| -rw-r--r-- | drivers/s390/crypto/zcrypt_api.c | 11 | ||||
| -rw-r--r-- | drivers/usb/roles/class.c | 8 | ||||
| -rw-r--r-- | drivers/usb/typec/class.c | 8 | ||||
| -rw-r--r-- | include/linux/device.h | 42 | ||||
| -rw-r--r-- | net/ieee802154/core.c | 7 |
12 files changed, 54 insertions, 106 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; diff --git a/drivers/hwtracing/stm/core.c b/drivers/hwtracing/stm/core.c index e55b902560de..2b6bd42632e8 100644 --- a/drivers/hwtracing/stm/core.c +++ b/drivers/hwtracing/stm/core.c @@ -89,13 +89,6 @@ static struct class stm_class = { .dev_groups = stm_groups, }; -static int stm_dev_match(struct device *dev, const void *data) -{ - const char *name = data; - - return sysfs_streq(name, dev_name(dev)); -} - /** * stm_find_device() - find stm device by name * @buf: character buffer containing the name @@ -116,7 +109,7 @@ struct stm_device *stm_find_device(const char *buf) if (!stm_core_up) return NULL; - dev = class_find_device(&stm_class, NULL, buf, stm_dev_match); + dev = class_find_device_by_name(&stm_class, buf); if (!dev) return NULL; diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index 4793e77808e2..d54c8e4d8954 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -213,13 +213,6 @@ static int led_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(leds_class_dev_pm_ops, led_suspend, led_resume); -static int match_name(struct device *dev, const void *data) -{ - if (!dev_name(dev)) - return 0; - return !strcmp(dev_name(dev), (char *)data); -} - static int led_classdev_next_name(const char *init_name, char *name, size_t len) { @@ -230,7 +223,7 @@ static int led_classdev_next_name(const char *init_name, char *name, strlcpy(name, init_name, len); while ((ret < len) && - (dev = class_find_device(leds_class, NULL, name, match_name))) { + (dev = class_find_device_by_name(leds_class, name))) { put_device(dev); ret = snprintf(name, len, "%s_%u", init_name, ++i); } 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); diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c index c522e9313c50..d843e362c167 100644 --- a/drivers/s390/cio/ccwgroup.c +++ b/drivers/s390/cio/ccwgroup.c @@ -608,13 +608,6 @@ void ccwgroup_driver_unregister(struct ccwgroup_driver *cdriver) } EXPORT_SYMBOL(ccwgroup_driver_unregister); -static int __ccwgroupdev_check_busid(struct device *dev, const void *id) -{ - const char *bus_id = id; - - return (strcmp(bus_id, dev_name(dev)) == 0); -} - /** * get_ccwgroupdev_by_busid() - obtain device from a bus id * @gdrv: driver the device is owned by @@ -631,8 +624,7 @@ struct ccwgroup_device *get_ccwgroupdev_by_busid(struct ccwgroup_driver *gdrv, { struct device *dev; - dev = driver_find_device(&gdrv->driver, NULL, bus_id, - __ccwgroupdev_check_busid); + dev = driver_find_device_by_name(&gdrv->driver, bus_id); return dev ? to_ccwgroupdev(dev) : NULL; } diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index c421899be20f..131430bd48d9 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1695,18 +1695,6 @@ int ccw_device_force_console(struct ccw_device *cdev) EXPORT_SYMBOL_GPL(ccw_device_force_console); #endif -/* - * get ccw_device matching the busid, but only if owned by cdrv - */ -static int -__ccwdev_check_busid(struct device *dev, const void *id) -{ - const char *bus_id = id; - - return (strcmp(bus_id, dev_name(dev)) == 0); -} - - /** * get_ccwdev_by_busid() - obtain device from a bus id * @cdrv: driver the device is owned by @@ -1723,8 +1711,7 @@ struct ccw_device *get_ccwdev_by_busid(struct ccw_driver *cdrv, { struct device *dev; - dev = driver_find_device(&cdrv->driver, NULL, (void *)bus_id, - __ccwdev_check_busid); + dev = driver_find_device_by_name(&cdrv->driver, bus_id); return dev ? to_ccwdev(dev) : NULL; } diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index 1058b4b5cc1e..38a5a47b8c9c 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 name for find_zcdndev_by_name() */ -static int __match_zcdn_name(struct device *dev, const void *data) -{ - return strcmp(dev_name(dev), (const char *)data) == 0; -} - /* helper function, matches the devt value for find_zcdndev_by_devt() */ static int __match_zcdn_devt(struct device *dev, const void *data) { @@ -152,10 +146,7 @@ static int __match_zcdn_devt(struct device *dev, const void *data) */ static inline struct zcdn_device *find_zcdndev_by_name(const char *name) { - struct device *dev = - class_find_device(zcrypt_class, NULL, - (void *) name, - __match_zcdn_name); + struct device *dev = class_find_device_by_name(zcrypt_class, name); return dev ? to_zcdn_dev(dev) : NULL; } diff --git a/drivers/usb/roles/class.c b/drivers/usb/roles/class.c index 86defca6623e..c8efe60e2465 100644 --- a/drivers/usb/roles/class.c +++ b/drivers/usb/roles/class.c @@ -90,11 +90,6 @@ static int switch_fwnode_match(struct device *dev, const void *fwnode) return dev_fwnode(dev) == fwnode; } -static int switch_name_match(struct device *dev, const void *name) -{ - return !strcmp((const char *)name, dev_name(dev)); -} - static void *usb_role_switch_match(struct device_connection *con, int ep, void *data) { @@ -107,8 +102,7 @@ static void *usb_role_switch_match(struct device_connection *con, int ep, dev = class_find_device(role_class, NULL, con->fwnode, switch_fwnode_match); } else { - dev = class_find_device(role_class, NULL, con->endpoint[ep], - switch_name_match); + dev = class_find_device_by_name(role_class, con->endpoint[ep]); } return dev ? to_role_switch(dev) : ERR_PTR(-EPROBE_DEFER); diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index a18285a990a8..9b0d15b487e5 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -210,11 +210,6 @@ static int typec_port_fwnode_match(struct device *dev, const void *fwnode) return dev_fwnode(dev) == fwnode; } -static int typec_port_name_match(struct device *dev, const void *name) -{ - return !strcmp((const char *)name, dev_name(dev)); -} - static void *typec_port_match(struct device_connection *con, int ep, void *data) { struct device *dev; @@ -227,8 +222,7 @@ static void *typec_port_match(struct device_connection *con, int ep, void *data) return class_find_device(typec_class, NULL, con->fwnode, typec_port_fwnode_match); - dev = class_find_device(typec_class, NULL, con->endpoint[ep], - typec_port_name_match); + dev = class_find_device_by_name(typec_class, con->endpoint[ep]); return dev ? dev : ERR_PTR(-EPROBE_DEFER); } diff --git a/include/linux/device.h b/include/linux/device.h index c330b75c6c57..3ba376b8b456 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -164,6 +164,7 @@ void subsys_dev_iter_init(struct subsys_dev_iter *iter, struct device *subsys_dev_iter_next(struct subsys_dev_iter *iter); void subsys_dev_iter_exit(struct subsys_dev_iter *iter); +int device_match_name(struct device *dev, const void *name); int device_match_of_node(struct device *dev, const void *np); int bus_for_each_dev(struct bus_type *bus, struct device *start, void *data, @@ -171,9 +172,20 @@ int bus_for_each_dev(struct bus_type *bus, struct device *start, void *data, struct device *bus_find_device(struct bus_type *bus, struct device *start, const void *data, int (*match)(struct device *dev, const void *data)); -struct device *bus_find_device_by_name(struct bus_type *bus, - struct device *start, - const char *name); +/** + * 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 + */ +static inline struct device *bus_find_device_by_name(struct bus_type *bus, + struct device *start, + const char *name) +{ + return bus_find_device(bus, start, name, device_match_name); +} + struct device *subsys_find_device_by_id(struct bus_type *bus, unsigned int id, struct device *hint); int bus_for_each_drv(struct bus_type *bus, struct device_driver *start, @@ -342,6 +354,18 @@ struct device *driver_find_device(struct device_driver *drv, struct device *start, const void *data, int (*match)(struct device *dev, const void *data)); +/** + * driver_find_device_by_name - device iterator for locating a particular device + * of a specific name. + * @driver: the driver we're iterating + * @name: name of the device to match + */ +static inline struct device *driver_find_device_by_name(struct device_driver *drv, + const char *name) +{ + return driver_find_device(drv, NULL, name, device_match_name); +} + void driver_deferred_probe_add(struct device *dev); int driver_deferred_probe_check_state(struct device *dev); int driver_deferred_probe_check_state_continue(struct device *dev); @@ -471,6 +495,18 @@ extern struct device *class_find_device(struct class *class, struct device *start, const void *data, int (*match)(struct device *, const void *)); +/** + * class_find_device_by_name - device iterator for locating a particular device + * of a specific name. + * @class: class type + * @name: name of the device to match + */ +static inline struct device *class_find_device_by_name(struct class *class, + const char *name) +{ + return class_find_device(class, NULL, name, device_match_name); +} + struct class_attribute { struct attribute attr; ssize_t (*show)(struct class *class, struct class_attribute *attr, diff --git a/net/ieee802154/core.c b/net/ieee802154/core.c index 60b7ac56a1f5..de259b5170ab 100644 --- a/net/ieee802154/core.c +++ b/net/ieee802154/core.c @@ -23,11 +23,6 @@ LIST_HEAD(cfg802154_rdev_list); int cfg802154_rdev_list_generation; -static int wpan_phy_match(struct device *dev, const void *data) -{ - return !strcmp(dev_name(dev), (const char *)data); -} - struct wpan_phy *wpan_phy_find(const char *str) { struct device *dev; @@ -35,7 +30,7 @@ struct wpan_phy *wpan_phy_find(const char *str) if (WARN_ON(!str)) return NULL; - dev = class_find_device(&wpan_phy_class, NULL, str, wpan_phy_match); + dev = class_find_device_by_name(&wpan_phy_class, str); if (!dev) return NULL; |