From 8b0a8165cdad0f4133837d753649ef4682e42c3b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 7 Aug 2024 15:11:40 +0200 Subject: Merging upstream version 6.9.7. Signed-off-by: Daniel Baumann --- drivers/pwm/pwm-jz4740.c | 36 +++++++++++++++++------------------- 1 file changed, 17 insertions(+), 19 deletions(-) (limited to 'drivers/pwm/pwm-jz4740.c') diff --git a/drivers/pwm/pwm-jz4740.c b/drivers/pwm/pwm-jz4740.c index 3933418e55..da4bf543d3 100644 --- a/drivers/pwm/pwm-jz4740.c +++ b/drivers/pwm/pwm-jz4740.c @@ -25,23 +25,21 @@ struct soc_info { }; struct jz4740_pwm_chip { - struct pwm_chip chip; struct regmap *map; struct clk *clk[]; }; static inline struct jz4740_pwm_chip *to_jz4740(struct pwm_chip *chip) { - return container_of(chip, struct jz4740_pwm_chip, chip); + return pwmchip_get_drvdata(chip); } -static bool jz4740_pwm_can_use_chn(struct jz4740_pwm_chip *jz, - unsigned int channel) +static bool jz4740_pwm_can_use_chn(struct pwm_chip *chip, unsigned int channel) { /* Enable all TCU channels for PWM use by default except channels 0/1 */ - u32 pwm_channels_mask = GENMASK(jz->chip.npwm - 1, 2); + u32 pwm_channels_mask = GENMASK(chip->npwm - 1, 2); - device_property_read_u32(jz->chip.dev->parent, + device_property_read_u32(pwmchip_parent(chip)->parent, "ingenic,pwm-channels-mask", &pwm_channels_mask); @@ -55,14 +53,15 @@ static int jz4740_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) char name[16]; int err; - if (!jz4740_pwm_can_use_chn(jz, pwm->hwpwm)) + if (!jz4740_pwm_can_use_chn(chip, pwm->hwpwm)) return -EBUSY; snprintf(name, sizeof(name), "timer%u", pwm->hwpwm); - clk = clk_get(chip->dev, name); + clk = clk_get(pwmchip_parent(chip), name); if (IS_ERR(clk)) { - dev_err(chip->dev, "error %pe: Failed to get clock\n", clk); + dev_err(pwmchip_parent(chip), + "error %pe: Failed to get clock\n", clk); return PTR_ERR(clk); } @@ -150,7 +149,7 @@ static int jz4740_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, */ rate = clk_round_rate(clk, tmp); if (rate < 0) { - dev_err(chip->dev, "Unable to round rate: %ld\n", rate); + dev_err(pwmchip_parent(chip), "Unable to round rate: %ld\n", rate); return rate; } @@ -171,7 +170,7 @@ static int jz4740_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, err = clk_set_rate(clk, rate); if (err) { - dev_err(chip->dev, "Unable to set rate: %d\n", err); + dev_err(pwmchip_parent(chip), "Unable to set rate: %d\n", err); return err; } @@ -224,6 +223,7 @@ static const struct pwm_ops jz4740_pwm_ops = { static int jz4740_pwm_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; + struct pwm_chip *chip; struct jz4740_pwm_chip *jz; const struct soc_info *info; @@ -231,10 +231,10 @@ static int jz4740_pwm_probe(struct platform_device *pdev) if (!info) return -EINVAL; - jz = devm_kzalloc(dev, struct_size(jz, clk, info->num_pwms), - GFP_KERNEL); - if (!jz) - return -ENOMEM; + chip = devm_pwmchip_alloc(dev, info->num_pwms, struct_size(jz, clk, info->num_pwms)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + jz = to_jz4740(chip); jz->map = device_node_to_regmap(dev->parent->of_node); if (IS_ERR(jz->map)) { @@ -242,11 +242,9 @@ static int jz4740_pwm_probe(struct platform_device *pdev) return PTR_ERR(jz->map); } - jz->chip.dev = dev; - jz->chip.ops = &jz4740_pwm_ops; - jz->chip.npwm = info->num_pwms; + chip->ops = &jz4740_pwm_ops; - return devm_pwmchip_add(dev, &jz->chip); + return devm_pwmchip_add(dev, chip); } static const struct soc_info jz4740_soc_info = { -- cgit v1.2.3