device property: Add const qualifier to device_get_match_data() parameter

Add const qualifier to the device_get_match_data() parameter.
Some of the future users may utilize this function without
forcing the type.

All the same, dev_fwnode() may be used with a const qualifier.

Reported-by: kernel test robot <lkp@intel.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220922135410.49694-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/base/property.c b/drivers/base/property.c
index ed6f449f8e5cf1109b9a280b957cd5187ac4a866..4d6278a84868691727117e227757845c667ae06d 100644 (file)
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -17,7 +17,7 @@
 #include <linux/property.h>
 #include <linux/phy.h>
 
-struct fwnode_handle *dev_fwnode(struct device *dev)
+struct fwnode_handle *dev_fwnode(const struct device *dev)
 {
        return IS_ENABLED(CONFIG_OF) && dev->of_node ?
                of_fwnode_handle(dev->of_node) : dev->fwnode;
@@ -1200,7 +1200,7 @@ int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode,
 }
 EXPORT_SYMBOL(fwnode_graph_parse_endpoint);
 
-const void *device_get_match_data(struct device *dev)
+const void *device_get_match_data(const struct device *dev)
 {
        return fwnode_call_ptr_op(dev_fwnode(dev), device_get_match_data, dev);
 }

diff --git a/include/linux/property.h b/include/linux/property.h
index a5b429d623f6f3b44821c4bde7500a189489323d..117cc200c656da4c1458b882cda2447468bdc963 100644 (file)
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -32,7 +32,7 @@ enum dev_dma_attr {
        DEV_DMA_COHERENT,
 };
 
-struct fwnode_handle *dev_fwnode(struct device *dev);
+struct fwnode_handle *dev_fwnode(const 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,
@@ -387,7 +387,7 @@ bool device_dma_supported(struct device *dev);
 
 enum dev_dma_attr device_get_dma_attr(struct device *dev);
 
-const void *device_get_match_data(struct device *dev);
+const void *device_get_match_data(const struct device *dev);
 
 int device_get_phy_mode(struct device *dev);
 int fwnode_get_phy_mode(struct fwnode_handle *fwnode);