device: property: add helpers to count items in string arrays (6b6ff4ac) · Commits · 戴 / test

Instead of doing the following: count = device_property_read_string_array(dev, propname, NULL, 0); Let's provide inline helpers with hardcoded arguments for counting strings in property arrays. Suggested-by:

Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by:

Bartosz Golaszewski <bgolaszewski@baylibre.com> Reviewed-by:

Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by:

Andy Shevchenko <andriy.shevchenko@linux.intel.com>

include/linux/property.h

+13 −0

Original line number	Diff line number	Diff line
		@@ -170,6 +170,12 @@ static inline int device_property_count_u64(struct device dev, const char prop
		return device_property_read_u64_array(dev, propname, NULL, 0);
		}

		static inline int device_property_string_array_count(struct device *dev,
		const char *propname)
		{
		return device_property_read_string_array(dev, propname, NULL, 0);
		}

		static inline bool fwnode_property_read_bool(const struct fwnode_handle *fwnode,
		const char *propname)
		{
		@@ -224,6 +230,13 @@ static inline int fwnode_property_count_u64(const struct fwnode_handle *fwnode,
		return fwnode_property_read_u64_array(fwnode, propname, NULL, 0);
		}

		static inline int
		fwnode_property_string_array_count(const struct fwnode_handle *fwnode,
		const char *propname)
		{
		return fwnode_property_read_string_array(fwnode, propname, NULL, 0);
		}

		struct software_node;

		/**

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