pwm: rockchip: covert dsb() to dsb(sy)

diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c
index d44f1fa47cda1873823c24d840c0beb62d762f7b..d494cf90e809f8ae7ab924c84a30a9ea1b13398b 100644 (file)
--- a/drivers/pwm/pwm-rockchip.c
+++ b/drivers/pwm/pwm-rockchip.c
@@ -191,11 +191,11 @@ static int  rk_pwm_config_v1(struct pwm_chip *chip, struct pwm_device *pwm,
        conf |= (prescale << DW_PWM_PRESCALE);
        barrier();
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_CTRL,off);
-       dsb();
+       dsb(sy);
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_HRC,dc);//0x1900);// dc);
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_LRC, pv);//0x5dc0);//pv);
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_CNTR,0);
-       dsb();
+       dsb(sy);
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_CTRL,on|conf);
        
        spin_unlock_irqrestore(lock, flags);    
@@ -229,11 +229,11 @@ static void rk_pwm_resume_v1(struct pwm_chip *chip, struct pwm_device *pwm)
        int     off =  PWM_RESET;
 
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_CTRL,off);
-       dsb();
+       dsb(sy);
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_HRC,pc->pwm_duty);//0x1900);// dc);
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_LRC, pc->pwm_period);//0x5dc0);//pv);
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_CNTR,pc->pwm_count);
-       dsb();
+       dsb(sy);
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_CTRL,pc->pwm_ctrl);
 }
 /* config for rockchip,pwm*/
@@ -300,11 +300,11 @@ static int  rk_pwm_config_v2(struct pwm_chip *chip, struct pwm_device *pwm,
        conf |= (prescale << RK_PWM_PRESCALE);  
        barrier();
        //rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_CTRL,off);
-       //dsb();
+       //dsb(sy);
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_DUTY,dc);//0x1900);// dc);
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_PERIOD,pv);//0x5dc0);//pv);
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_CNTR,0);
-       dsb();
+       dsb(sy);
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_CTRL,on|conf);
        spin_unlock_irqrestore(lock, flags);    
 
@@ -342,7 +342,7 @@ static void rk_pwm_resume_v2(struct pwm_chip *chip, struct pwm_device *pwm)
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_DUTY,    pc->pwm_duty);//0x1900);// dc);
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_PERIOD, pc->pwm_period);//0x5dc0);//pv);
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_CNTR,pc->pwm_count);
-       dsb();
+       dsb(sy);
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_CTRL,pc->pwm_ctrl);
 }
 
@@ -417,11 +417,11 @@ static int  rk_pwm_config_v3(struct pwm_chip *chip, struct pwm_device *pwm,
        barrier();
 //     rk_pwm_writel(pc, pwm->hwpwm, VOP_REG_CTRL,off);
        
-//     dsb();
+//     dsb(sy);
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_DUTY,dc);   //   2    0x1900);// dc);
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_PERIOD,pv);   // 4 0x5dc0);//pv);
        rk_pwm_writel(pc, pwm->hwpwm, VOP_REG_CNTR,0);
-       dsb();
+       dsb(sy);
        rk_pwm_writel(pc, pwm->hwpwm, VOP_REG_CTRL,on|conf);
 
        spin_unlock_irqrestore(lock, flags);    
@@ -456,7 +456,7 @@ static void rk_pwm_resume_v3(struct pwm_chip *chip, struct pwm_device *pwm)
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_DUTY,    pc->pwm_duty);//0x1900);// dc);
        rk_pwm_writel(pc, pwm->hwpwm, PWM_REG_PERIOD, pc->pwm_period);//0x5dc0);//pv);
        rk_pwm_writel(pc, pwm->hwpwm, VOP_REG_CNTR,pc->pwm_count);
-       dsb();
+       dsb(sy);
        rk_pwm_writel(pc, pwm->hwpwm, VOP_REG_CTRL,pc->pwm_ctrl);
 }