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[v1,1/2] device property: Introduce fwnode_device_is_compatible() helper

Message ID 20221005143812.33503-1-andriy.shevchenko@linux.intel.com
State New
Headers show
Series [v1,1/2] device property: Introduce fwnode_device_is_compatible() helper | expand

Commit Message

Andy Shevchenko Oct. 5, 2022, 2:38 p.m. UTC 
The fwnode_device_is_compatible() helper searches for the
given string in the "compatible" string array property and,
if found, returns true.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 include/linux/property.h | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/include/linux/property.h b/include/linux/property.h
index 1c26d263d5e4..4948a890b153 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -56,6 +56,11 @@  int device_property_match_string(struct device *dev,
 				 const char *propname, const char *string);
 
 bool fwnode_device_is_available(const struct fwnode_handle *fwnode);
+bool fwnode_device_is_compatible(const struct fwnode_handle *fwnode, const char *compat)
+{
+	return fwnode_property_match_string(fwnode, "compatible", compat) >= 0;
+}
+
 bool fwnode_property_present(const struct fwnode_handle *fwnode,
 			     const char *propname);
 int fwnode_property_read_u8_array(const struct fwnode_handle *fwnode,