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Subject[PATCH 1/3] pwm: imx: Remove enabled field from struct imx_chip
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Date
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>
---
drivers/pwm/pwm-imx.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c
index 3f5677b..ec28798 100644
--- 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 = {
--
1.7.10.4




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