From: Dmitry Baryshkov <dbaryshkov@gmail.com>

Mark gpiochip label as a const char pointer.  Fixes things like

arch/arm/common/scoop.c: In function `scoop_probe':
arch/arm/common/scoop.c:250: warning: assignment discards qualifiers from pointer target type

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/asm-generic/gpio.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN include/asm-generic/gpio.h~make-gpiochip-label-const include/asm-generic/gpio.h
--- a/include/asm-generic/gpio.h~make-gpiochip-label-const
+++ a/include/asm-generic/gpio.h
@@ -61,7 +61,7 @@ struct module;
  * is calculated by subtracting @base from the gpio number.
  */
 struct gpio_chip {
-	char			*label;
+	const char		*label;
 	struct device		*dev;
 	struct module		*owner;
 
_