[PATCH] RFC: make struct platform_driver.id_table const

[Uwe Kleine-König]

This fixes a warning on several pxa based machines:

	arch/arm/mach-pxa/ssp.c:475: warning: initialization discards qualifiers from pointer target type

Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
Cc: Eric Miao <eric.miao at marvell.com>
Cc: Greg Kroah-Hartman <gregkh at suse.de>
---
 drivers/base/platform.c         |    2 +-
 include/linux/platform_device.h |    4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 58efaf2..962246c 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -578,7 +578,7 @@ static int platform_uevent(struct device *dev, struct kobj_uevent_env *env)
 }
 
 static const struct platform_device_id *platform_match_id(
-			struct platform_device_id *id,
+			const struct platform_device_id *id,
 			struct platform_device *pdev)
 {
 	while (id->name[0]) {
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 71ff887..3a6201e 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -21,7 +21,7 @@ struct platform_device {
 	u32		num_resources;
 	struct resource	* resource;
 
-	struct platform_device_id	*id_entry;
+	const struct platform_device_id	*id_entry;
 
 	/* arch specific additions */
 	struct pdev_archdata	archdata;
@@ -62,7 +62,7 @@ struct platform_driver {
 	int (*suspend)(struct platform_device *, pm_message_t state);
 	int (*resume)(struct platform_device *);
 	struct device_driver driver;
-	struct platform_device_id *id_table;
+	const struct platform_device_id *id_table;
 };
 
 extern int platform_driver_register(struct platform_driver *);
-- 
1.6.6