linux-kernel - [PATCH v1 1/1] device property: Add const qualifier to device_get_match

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Message-Id: <20220922135410.49694-1-andriy.shevchenko@linux.intel.com>
Date:   Thu, 22 Sep 2022 16:54:10 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Daniel Scally <djrscally@...il.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        kernel test robot <lkp@...el.com>
Subject: [PATCH v1 1/1] 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@...el.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/base/property.c  | 4 ++--
 include/linux/property.h | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/base/property.c b/drivers/base/property.c
index ed6f449f8e5c..4d6278a84868 100644
--- 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 a5b429d623f6..117cc200c656 100644
--- 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);
-- 
2.35.1