drivers: Introduce device lookup variants by name

Add a helper to match the device name for device lookup. Also
reuse this generic exported helper for the existing bus_find_device_by_name().
and add similar variants for driver/class.

Cc: Alessandro Zummo <[email protected]>
Cc: Alexander Aring <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Dan Murphy <[email protected]>
Cc: Harald Freudenberger <[email protected]>
Cc: Heiko Carstens <[email protected]>
Cc: Jacek Anaszewski <[email protected]>
Cc: Lee Jones <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: Maxime Coquelin <[email protected]>
Cc: Pavel Machek <[email protected]>
Cc: Peter Oberparleiter <[email protected]>
Cc: "Rafael J. Wysocki" <[email protected]>
Cc: Stefan Schmidt <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: "Rafael J. Wysocki" <[email protected]>
Signed-off-by: Suzuki K Poulose <[email protected]>
Reviewed-by: Heikki Krogerus <[email protected]>
Acked-by: Alexandre Belloni <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

1 files changed, 6 insertions, 0 deletions

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;