Add a helper to match the device type.
Cc: Alexander Shishkin <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Harald Freudenberger <[email protected]>
Cc: Heiko Carstens <[email protected]>
Cc: [email protected]
Cc: Oliver Neukum <[email protected]>
Cc: Sebastian Andrzej Siewior <[email protected]>
Cc: Tomas Winkler <[email protected]>
Cc: "Rafael J. Wysocki" <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Ulf Hansson <[email protected]>
Cc: Joe Perches <[email protected]>
Signed-off-by: Suzuki K Poulose <[email protected]>
---
drivers/base/core.c | 6 ++++++
include/linux/device.h | 1 +
2 files changed, 7 insertions(+)
diff --git a/drivers/base/core.c b/drivers/base/core.c
index efcdb96..b827ca1 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -3340,3 +3340,9 @@ int device_match_fwnode(struct device *dev, const void
*fwnode)
return dev_fwnode(dev) == fwnode;
}
EXPORT_SYMBOL_GPL(device_match_fwnode);
+
+int device_match_devt(struct device *dev, const void *pdevt)
+{
+ return dev->devt == *(dev_t *)pdevt;
+}
+EXPORT_SYMBOL_GPL(device_match_devt);
diff --git a/include/linux/device.h b/include/linux/device.h
index 08aa087..f315692 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -165,6 +165,7 @@ void subsys_dev_iter_exit(struct subsys_dev_iter *iter);
int device_match_of_node(struct device *dev, const void *np);
int device_match_fwnode(struct device *dev, const void *fwnode);
+int device_match_devt(struct device *dev, const void *pdevt);
int bus_for_each_dev(struct bus_type *bus, struct device *start, void *data,
int (*fn)(struct device *dev, void *data));
--
2.7.4
