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path: root/drivers/pwm/pwm-imx.c
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Diffstat (limited to 'drivers/pwm/pwm-imx.c')
-rw-r--r--drivers/pwm/pwm-imx.c11
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c
index 3f5677b7690..c938bae1881 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 = {
@@ -269,11 +265,6 @@ static int imx_pwm_probe(struct platform_device *pdev)
imx->chip.npwm = 1;
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (r == NULL) {
- dev_err(&pdev->dev, "no memory resource defined\n");
- return -ENODEV;
- }
-
imx->mmio_base = devm_ioremap_resource(&pdev->dev, r);
if (IS_ERR(imx->mmio_base))
return PTR_ERR(imx->mmio_base);