gpio: constify the data parameter to gpiochip_find()

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

1 files changed, 2 insertions, 2 deletions

diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index 1ff4e221cb4d..5f52690c3c8f 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -142,9 +142,9 @@ extern int __must_check gpiochip_reserve(int start, int ngpio);
 /* add/remove chips */
 extern int gpiochip_add(struct gpio_chip *chip);
 extern int __must_check gpiochip_remove(struct gpio_chip *chip);
-extern struct gpio_chip *gpiochip_find(void *data,
+extern struct gpio_chip *gpiochip_find(const void *data,
                                         int (*match)(struct gpio_chip *chip,
-                                                     void *data));
+                                                     const void *data));
 
 
 /* Always use the library code for GPIO management calls,