driver core: make struct device_type.uevent() take a const *

The uevent() callback in struct device_type should not be modifying the
device that is passed into it, so mark it as a const * and propagate the
function signature changes out into all relevant subsystems that use
this callback.

Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Andreas Noever <andreas.noever@gmail.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Bard Liao <yung-chuan.liao@linux.intel.com>
Cc: Chaitanya Kulkarni <kch@nvidia.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Jilin Yuan <yuanjilin@cdjrlc.com>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Len Brown <lenb@kernel.org>
Cc: Mark Gross <markgross@kernel.org>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Maximilian Luz <luzmaximilian@gmail.com>
Cc: Michael Jamet <michael.jamet@intel.com>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: Sanyog Kale <sanyog.r.kale@intel.com>
Cc: Sean Young <sean@mess.org>
Cc: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Won Chung <wonchung@google.com>
Cc: Yehezkel Bernat <YehezkelShB@gmail.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> # for Thunderbolt
Acked-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Wolfram Sang <wsa@kernel.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230111113018.459199-6-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 8 insertions, 8 deletions

diff --git a/drivers/input/input.c b/drivers/input/input.c
index ca2e3dd7188bb9..0336e799d713ca 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -1372,7 +1372,7 @@ INPUT_DEV_STRING_ATTR_SHOW(phys);
 INPUT_DEV_STRING_ATTR_SHOW(uniq);
 
 static int input_print_modalias_bits(char *buf, int size,
-				     char name, unsigned long *bm,
+				     char name, const unsigned long *bm,
 				     unsigned int min_bit, unsigned int max_bit)
 {
 	int len = 0, i;
@@ -1384,7 +1384,7 @@ static int input_print_modalias_bits(char *buf, int size,
 	return len;
 }
 
-static int input_print_modalias(char *buf, int size, struct input_dev *id,
+static int input_print_modalias(char *buf, int size, const struct input_dev *id,
 				int add_cr)
 {
 	int len;
@@ -1432,7 +1432,7 @@ static ssize_t input_dev_show_modalias(struct device *dev,
 }
 static DEVICE_ATTR(modalias, S_IRUGO, input_dev_show_modalias, NULL);
 
-static int input_print_bitmap(char *buf, int buf_size, unsigned long *bitmap,
+static int input_print_bitmap(char *buf, int buf_size, const unsigned long *bitmap,
 			      int max, int add_cr);
 
 static ssize_t input_dev_show_properties(struct device *dev,
@@ -1524,7 +1524,7 @@ static const struct attribute_group input_dev_id_attr_group = {
 	.attrs	= input_dev_id_attrs,
 };
 
-static int input_print_bitmap(char *buf, int buf_size, unsigned long *bitmap,
+static int input_print_bitmap(char *buf, int buf_size, const unsigned long *bitmap,
 			      int max, int add_cr)
 {
 	int i;
@@ -1621,7 +1621,7 @@ static void input_dev_release(struct device *device)
  * device bitfields.
  */
 static int input_add_uevent_bm_var(struct kobj_uevent_env *env,
-				   const char *name, unsigned long *bitmap, int max)
+				   const char *name, const unsigned long *bitmap, int max)
 {
 	int len;
 
@@ -1639,7 +1639,7 @@ static int input_add_uevent_bm_var(struct kobj_uevent_env *env,
 }
 
 static int input_add_uevent_modalias_var(struct kobj_uevent_env *env,
-					 struct input_dev *dev)
+					 const struct input_dev *dev)
 {
 	int len;
 
@@ -1677,9 +1677,9 @@ static int input_add_uevent_modalias_var(struct kobj_uevent_env *env,
 			return err;					\
 	} while (0)
 
-static int input_dev_uevent(struct device *device, struct kobj_uevent_env *env)
+static int input_dev_uevent(const struct device *device, struct kobj_uevent_env *env)
 {
-	struct input_dev *dev = to_input_dev(device);
+	const struct input_dev *dev = to_input_dev(device);
 
 	INPUT_ADD_HOTPLUG_VAR("PRODUCT=%x/%x/%x/%x",
 				dev->id.bustype, dev->id.vendor,