| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 10/93] device property: Make dev_fwnode() public | Date | Wed, 9 Aug 2017 11:13:03 -0700 |
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4.9-stable review patch. If anyone has any objections, please let me know.
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From: Sakari Ailus <sakari.ailus@linux.intel.com>
commit e44bb0cbdc88686c21e2175a990b40bf6db5d005 upstream.
The function to obtain a fwnode related to a struct device is useful for drivers that use the fwnode property API: it allows not being aware of the underlying firmware implementation.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: Chris Metcalf <cmetcalf@mellanox.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/base/property.c | 3 ++- include/linux/property.h | 2 ++ 2 files changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -182,11 +182,12 @@ static int pset_prop_read_string(struct return 0; } -static inline struct fwnode_handle *dev_fwnode(struct device *dev) +struct fwnode_handle *dev_fwnode(struct device *dev) { return IS_ENABLED(CONFIG_OF) && dev->of_node ? &dev->of_node->fwnode : dev->fwnode; } +EXPORT_SYMBOL_GPL(dev_fwnode); /** * device_property_present - check if a property of a device is present --- a/include/linux/property.h +++ b/include/linux/property.h @@ -33,6 +33,8 @@ enum dev_dma_attr { DEV_DMA_COHERENT, }; +struct fwnode_handle *dev_fwnode(struct device *dev); + bool device_property_present(struct device *dev, const char *propname); int device_property_read_u8_array(struct device *dev, const char *propname, u8 *val, size_t nval);
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