misc/ep93xx_pwm: use {read,write}* instead of __raw_* versions for io

The mmio_base is an ioremap'ed memory resource. The normal memory
io functions should be used not the __raw_* versions.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Ryan Mallon <rmallon@gmail.com>
Cc: Matthieu Crapet <mcrapet@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/ep93xx_pwm.c

@@ -42,13 +42,13 @@ struct ep93xx_pwm {
 static inline void ep93xx_pwm_writel(struct ep93xx_pwm *pwm,
 		unsigned int val, unsigned int off)
 {
-	__raw_writel(val, pwm->mmio_base + off);
+	writel(val, pwm->mmio_base + off);
 }
 
 static inline unsigned int ep93xx_pwm_readl(struct ep93xx_pwm *pwm,
 		unsigned int off)
 {
-	return __raw_readl(pwm->mmio_base + off);
+	return readl(pwm->mmio_base + off);
 }
 
 static inline void ep93xx_pwm_write_tc(struct ep93xx_pwm *pwm, u16 value)