pwm: imx: Remove enabled field from struct imx_chip

We can test PWMF_ENABLED bit to know if pwm is enabled or not.
Thus remove enabled field from struct imx_chip.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>

diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c
index 3f5677b..ec28798 100644 (file)
--- a/drivers/pwm/pwm-imx.c
+++ b/drivers/pwm/pwm-imx.c
@@ -43,7 +43,6 @@ struct imx_chip {
        struct clk      *clk_per;
        struct clk      *clk_ipg;
 
-       int             enabled;
        void __iomem    *mmio_base;
 
        struct pwm_chip chip;
@@ -135,7 +134,7 @@ static int imx_pwm_config_v2(struct pwm_chip *chip,
                MX3_PWMCR_DOZEEN | MX3_PWMCR_WAITEN |
                MX3_PWMCR_DBGEN | MX3_PWMCR_CLKSRC_IPG_HIGH;
 
-       if (imx->enabled)
+       if (test_bit(PWMF_ENABLED, &pwm->flags))
                cr |= MX3_PWMCR_EN;
 
        writel(cr, imx->mmio_base + MX3_PWMCR);
@@ -186,8 +185,6 @@ static int imx_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
 
        imx->set_enable(chip, true);
 
-       imx->enabled = 1;
-
        return 0;
 }
 
@@ -198,7 +195,6 @@ static void imx_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
        imx->set_enable(chip, false);
 
        clk_disable_unprepare(imx->clk_per);
-       imx->enabled = 0;
 }
 
 static struct pwm_ops imx_pwm_ops = {