[PATCH v2 1/2] device property: Introduce fwnode_device_is_compatible() helper
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: 2022-10-05 15:29:52
Also in:
linux-acpi, linux-arm-kernel, lkml
Subsystem:
driver core, kobjects, debugfs and sysfs, software nodes and device properties, the rest · Maintainers:
Greg Kroah-Hartman, "Rafael J. Wysocki", Danilo Krummrich, Linus Torvalds
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 | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/include/linux/property.h b/include/linux/property.h
index 1c26d263d5e4..701570423943 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h@@ -55,7 +55,6 @@ int device_property_read_string(struct device *dev, const char *propname, 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_property_present(const struct fwnode_handle *fwnode, const char *propname); int fwnode_property_read_u8_array(const struct fwnode_handle *fwnode,
@@ -77,6 +76,15 @@ int fwnode_property_read_string(const struct fwnode_handle *fwnode, const char *propname, const char **val); int fwnode_property_match_string(const struct fwnode_handle *fwnode, const char *propname, const char *string); + +bool fwnode_device_is_available(const struct fwnode_handle *fwnode); + +static inline +bool fwnode_device_is_compatible(const struct fwnode_handle *fwnode, const char *compat) +{ + return fwnode_property_match_string(fwnode, "compatible", compat) >= 0; +} + int fwnode_property_get_reference_args(const struct fwnode_handle *fwnode, const char *prop, const char *nargs_prop, unsigned int nargs, unsigned int index,
--
2.35.1