[PATCH] ARM: pxa: make corgipm_read_devdata static

[sunliming]

This symbol is not used outside of corgi_pm.c, so marks it static.

Fixes the following w1 warning:

arch/arm/mach-pxa/corgi_pm.c:137:15: warning: no previous prototype for function 'corgipm_read_devdata' [-Wmissing-prototypes]

Reported-by: kernel test robot <lkp at intel.com>
Signed-off-by: sunliming <sunliming at kylinos.cn>
---
 arch/arm/mach-pxa/corgi_pm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-pxa/corgi_pm.c b/arch/arm/mach-pxa/corgi_pm.c
index 555a5c1afd96..02a229425969 100644
--- a/arch/arm/mach-pxa/corgi_pm.c
+++ b/arch/arm/mach-pxa/corgi_pm.c
@@ -133,7 +133,7 @@ static bool corgi_charger_wakeup(void)
 		!gpio_get_value(CORGI_GPIO_WAKEUP);
 }
 
-unsigned long corgipm_read_devdata(int type)
+static unsigned long corgipm_read_devdata(int type)
 {
 	switch(type) {
 	case SHARPSL_STATUS_ACIN:
-- 
2.25.1