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path: root/drivers/pwm/pwm-fsl-ftm.c
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Diffstat (limited to 'drivers/pwm/pwm-fsl-ftm.c')
-rw-r--r--drivers/pwm/pwm-fsl-ftm.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/pwm/pwm-fsl-ftm.c b/drivers/pwm/pwm-fsl-ftm.c
index b4f8dff60c50..2510c10ca473 100644
--- a/drivers/pwm/pwm-fsl-ftm.c
+++ b/drivers/pwm/pwm-fsl-ftm.c
@@ -40,7 +40,6 @@ struct fsl_pwm_periodcfg {
};
struct fsl_pwm_chip {
- struct pwm_chip chip;
struct mutex lock;
struct regmap *regmap;
@@ -55,7 +54,7 @@ struct fsl_pwm_chip {
static inline struct fsl_pwm_chip *to_fsl_chip(struct pwm_chip *chip)
{
- return container_of(chip, struct fsl_pwm_chip, chip);
+ return pwmchip_get_drvdata(chip);
}
static void ftm_clear_write_protection(struct fsl_pwm_chip *fpc)
@@ -398,15 +397,14 @@ static int fsl_pwm_probe(struct platform_device *pdev)
void __iomem *base;
int ret;
- fpc = devm_kzalloc(&pdev->dev, sizeof(*fpc), GFP_KERNEL);
- if (!fpc)
- return -ENOMEM;
- chip = &fpc->chip;
+ chip = devm_pwmchip_alloc(&pdev->dev, 8, sizeof(*fpc));
+ if (IS_ERR(chip))
+ return PTR_ERR(chip);
+ fpc = to_fsl_chip(chip);
mutex_init(&fpc->lock);
fpc->soc = of_device_get_match_data(&pdev->dev);
- chip->dev = &pdev->dev;
base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(base))
@@ -446,9 +444,7 @@ static int fsl_pwm_probe(struct platform_device *pdev)
if (IS_ERR(fpc->ipg_clk))
fpc->ipg_clk = fpc->clk[FSL_PWM_CLK_SYS];
-
chip->ops = &fsl_pwm_ops;
- chip->npwm = 8;
ret = devm_pwmchip_add(&pdev->dev, chip);
if (ret < 0) {