pwm: tiehrpwm: add missing __iomem annotation

Fix the following sparse warnings:

drivers/pwm/pwm-tiehrpwm.c:144:16: warning: incorrect type in argument 1 (different address spaces)
drivers/pwm/pwm-tiehrpwm.c:144:16:    expected void const volatile [noderef] <asn:2>*addr
drivers/pwm/pwm-tiehrpwm.c:144:16:    got void *
drivers/pwm/pwm-tiehrpwm.c:149:9: warning: incorrect type in argument 2 (different address spaces)
drivers/pwm/pwm-tiehrpwm.c:149:9:    expected void volatile [noderef] <asn:2>*addr
drivers/pwm/pwm-tiehrpwm.c:149:9:    got void *
drivers/pwm/pwm-tiehrpwm.c:157:18: warning: incorrect type in argument 1 (different address spaces)
drivers/pwm/pwm-tiehrpwm.c:157:18:    expected void const volatile [noderef] <asn:2>*addr
drivers/pwm/pwm-tiehrpwm.c:157:18:    got void *
drivers/pwm/pwm-tiehrpwm.c:160:9: warning: incorrect type in argument 2 (different address spaces)
drivers/pwm/pwm-tiehrpwm.c:160:9:    expected void volatile [noderef] <asn:2>*addr
drivers/pwm/pwm-tiehrpwm.c:160:9:    got void *

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c
index aa4c5586f53b..084f55246532 100644
--- a/drivers/pwm/pwm-tiehrpwm.c
+++ b/drivers/pwm/pwm-tiehrpwm.c
@@ -139,17 +139,17 @@ static inline struct ehrpwm_pwm_chip *to_ehrpwm_pwm_chip(struct pwm_chip *chip)
         return container_of(chip, struct ehrpwm_pwm_chip, chip);
 }
 
-static u16 ehrpwm_read(void *base, int offset)
+static u16 ehrpwm_read(void __iomem *base, int offset)
 {
         return readw(base + offset);
 }
 
-static void ehrpwm_write(void *base, int offset, unsigned int val)
+static void ehrpwm_write(void __iomem *base, int offset, unsigned int val)
 {
         writew(val & 0xFFFF, base + offset);
 }
 
-static void ehrpwm_modify(void *base, int offset,
+static void ehrpwm_modify(void __iomem *base, int offset,
                 unsigned short mask, unsigned short val)
 {
         unsigned short regval;