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

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This commit is contained in:
Huang, Tao
2014-12-10 19:25:48 +08:00
parent 82c4a8857a
commit dcbd24b274
1 changed files with 10 additions and 10 deletions
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20
drivers/pwm/pwm-rockchip.c
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@@ -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);
}