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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:27 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:27 +0000
commit34996e42f82bfd60bc2c191e5cae3c6ab233ec6c (patch)
tree62db60558cbf089714b48daeabca82bf2b20b20e /drivers/pwm/pwm-hibvt.c
parentAdding debian version 6.8.12-1. (diff)
downloadlinux-34996e42f82bfd60bc2c191e5cae3c6ab233ec6c.tar.xz
linux-34996e42f82bfd60bc2c191e5cae3c6ab233ec6c.zip
Merging upstream version 6.9.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/pwm/pwm-hibvt.c')
-rw-r--r--drivers/pwm/pwm-hibvt.c70
1 files changed, 34 insertions, 36 deletions
diff --git a/drivers/pwm/pwm-hibvt.c b/drivers/pwm/pwm-hibvt.c
index c435776e2f..2eb0b13d4e 100644
--- a/drivers/pwm/pwm-hibvt.c
+++ b/drivers/pwm/pwm-hibvt.c
@@ -33,7 +33,6 @@
#define PWM_DUTY_MASK GENMASK(31, 0)
struct hibvt_pwm_chip {
- struct pwm_chip chip;
struct clk *clk;
void __iomem *base;
struct reset_control *rstc;
@@ -65,7 +64,7 @@ static const struct hibvt_pwm_soc hi3559v100_soc_info = {
static inline struct hibvt_pwm_chip *to_hibvt_pwm_chip(struct pwm_chip *chip)
{
- return container_of(chip, struct hibvt_pwm_chip, chip);
+ return pwmchip_get_drvdata(chip);
}
static void hibvt_pwm_set_bits(void __iomem *base, u32 offset,
@@ -191,72 +190,71 @@ static int hibvt_pwm_probe(struct platform_device *pdev)
{
const struct hibvt_pwm_soc *soc =
of_device_get_match_data(&pdev->dev);
- struct hibvt_pwm_chip *pwm_chip;
+ struct pwm_chip *chip;
+ struct hibvt_pwm_chip *hi_pwm_chip;
int ret, i;
- pwm_chip = devm_kzalloc(&pdev->dev, sizeof(*pwm_chip), GFP_KERNEL);
- if (pwm_chip == NULL)
- return -ENOMEM;
+ chip = devm_pwmchip_alloc(&pdev->dev, soc->num_pwms, sizeof(*hi_pwm_chip));
+ if (IS_ERR(chip))
+ return PTR_ERR(chip);
+ hi_pwm_chip = to_hibvt_pwm_chip(chip);
- pwm_chip->clk = devm_clk_get(&pdev->dev, NULL);
- if (IS_ERR(pwm_chip->clk)) {
+ hi_pwm_chip->clk = devm_clk_get(&pdev->dev, NULL);
+ if (IS_ERR(hi_pwm_chip->clk)) {
dev_err(&pdev->dev, "getting clock failed with %ld\n",
- PTR_ERR(pwm_chip->clk));
- return PTR_ERR(pwm_chip->clk);
+ PTR_ERR(hi_pwm_chip->clk));
+ return PTR_ERR(hi_pwm_chip->clk);
}
- pwm_chip->chip.ops = &hibvt_pwm_ops;
- pwm_chip->chip.dev = &pdev->dev;
- pwm_chip->chip.npwm = soc->num_pwms;
- pwm_chip->soc = soc;
+ chip->ops = &hibvt_pwm_ops;
+ hi_pwm_chip->soc = soc;
- pwm_chip->base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(pwm_chip->base))
- return PTR_ERR(pwm_chip->base);
+ hi_pwm_chip->base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(hi_pwm_chip->base))
+ return PTR_ERR(hi_pwm_chip->base);
- ret = clk_prepare_enable(pwm_chip->clk);
+ ret = clk_prepare_enable(hi_pwm_chip->clk);
if (ret < 0)
return ret;
- pwm_chip->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL);
- if (IS_ERR(pwm_chip->rstc)) {
- clk_disable_unprepare(pwm_chip->clk);
- return PTR_ERR(pwm_chip->rstc);
+ hi_pwm_chip->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL);
+ if (IS_ERR(hi_pwm_chip->rstc)) {
+ clk_disable_unprepare(hi_pwm_chip->clk);
+ return PTR_ERR(hi_pwm_chip->rstc);
}
- reset_control_assert(pwm_chip->rstc);
+ reset_control_assert(hi_pwm_chip->rstc);
msleep(30);
- reset_control_deassert(pwm_chip->rstc);
+ reset_control_deassert(hi_pwm_chip->rstc);
- ret = pwmchip_add(&pwm_chip->chip);
+ ret = pwmchip_add(chip);
if (ret < 0) {
- clk_disable_unprepare(pwm_chip->clk);
+ clk_disable_unprepare(hi_pwm_chip->clk);
return ret;
}
- for (i = 0; i < pwm_chip->chip.npwm; i++) {
- hibvt_pwm_set_bits(pwm_chip->base, PWM_CTRL_ADDR(i),
+ for (i = 0; i < chip->npwm; i++) {
+ hibvt_pwm_set_bits(hi_pwm_chip->base, PWM_CTRL_ADDR(i),
PWM_KEEP_MASK, (0x1 << PWM_KEEP_SHIFT));
}
- platform_set_drvdata(pdev, pwm_chip);
+ platform_set_drvdata(pdev, chip);
return 0;
}
static void hibvt_pwm_remove(struct platform_device *pdev)
{
- struct hibvt_pwm_chip *pwm_chip;
-
- pwm_chip = platform_get_drvdata(pdev);
+ struct pwm_chip *chip = platform_get_drvdata(pdev);
+ struct hibvt_pwm_chip *hi_pwm_chip = to_hibvt_pwm_chip(chip);
- pwmchip_remove(&pwm_chip->chip);
+ pwmchip_remove(chip);
- reset_control_assert(pwm_chip->rstc);
+ reset_control_assert(hi_pwm_chip->rstc);
msleep(30);
- reset_control_deassert(pwm_chip->rstc);
+ reset_control_deassert(hi_pwm_chip->rstc);
- clk_disable_unprepare(pwm_chip->clk);
+ clk_disable_unprepare(hi_pwm_chip->clk);
}
static const struct of_device_id hibvt_pwm_of_match[] = {