Driver core: make struct platform_driver.id_table const

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@pengutronix.de>
Acked-by: Vikram Dhillon <dhillonv10@gmail.com>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2 files changed, 2 insertions, 2 deletions

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 937d58021d1b..575e08bc6630 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -636,7 +636,7 @@ 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 2c2d035bfb92..212da17d06af 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -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 *);