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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2019-06-13 19:59:51 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2019-06-13 22:41:59 +0200
commit33ee09cd59ce154b64f9df942dfa5456db90d5f9 (patch)
tree2b513f0f32f18ef93ab2f1e9222316ff6604fca2 /drivers/android
parentbe6dc3291e0fc19e6c8cc8f231968ab9b51f5abf (diff)
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device property: Add helpers to count items in an array
The usual pattern to allocate the necessary space for an array of properties is to count them first by calling: count = device_property_read_uXX_array(dev, propname, NULL, 0); if (count < 0) return count; Introduce helpers device_property_count_uXX() to count items by supplying hard coded last two parameters to device_property_readXX_array(). Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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