diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-14 10:33:06 +0100 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-22 14:39:26 +0100 |
| commit | de830057d72cff27f68df63f9cb8e863d84f9cfd (patch) | |
| tree | 5e1ed7fc3139af080e77114b352844e1bd5ba1a4 /drivers/pwm/pwm-tiehrpwm.c | |
| parent | pwm: tiehrpwm: Make use of pwmchip_parent() accessor (diff) | |
| download | linux-de830057d72cff27f68df63f9cb8e863d84f9cfd.tar.xz linux-de830057d72cff27f68df63f9cb8e863d84f9cfd.zip | |
pwm: tiehrpwm: Make use of devm_pwmchip_alloc() function
This prepares the pwm-tiecap driver to further changes of the pwm core
outlined in the commit introducing devm_pwmchip_alloc(). There is no
intended semantical change and the driver should behave as before.
Link: https://lore.kernel.org/r/62fbac428cae0942f8e88234bf249537fcd890a3.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'drivers/pwm/pwm-tiehrpwm.c')
| -rw-r--r-- | drivers/pwm/pwm-tiehrpwm.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c index 9a7c72196173..e5104725d9b7 100644 --- a/drivers/pwm/pwm-tiehrpwm.c +++ b/drivers/pwm/pwm-tiehrpwm.c @@ -105,7 +105,6 @@ struct ehrpwm_context { }; struct ehrpwm_pwm_chip { - struct pwm_chip chip; unsigned long clk_rate; void __iomem *mmio_base; unsigned long period_cycles[NUM_PWM_CHANNEL]; @@ -116,7 +115,7 @@ struct ehrpwm_pwm_chip { static inline struct ehrpwm_pwm_chip *to_ehrpwm_pwm_chip(struct pwm_chip *chip) { - return container_of(chip, struct ehrpwm_pwm_chip, chip); + return pwmchip_get_drvdata(chip); } static inline u16 ehrpwm_read(void __iomem *base, unsigned int offset) @@ -454,9 +453,10 @@ static int ehrpwm_pwm_probe(struct platform_device *pdev) struct clk *clk; int ret; - pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL); - if (!pc) - return -ENOMEM; + chip = devm_pwmchip_alloc(&pdev->dev, NUM_PWM_CHANNEL, sizeof(*pc)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + pc = to_ehrpwm_pwm_chip(chip); clk = devm_clk_get(&pdev->dev, "fck"); if (IS_ERR(clk)) { @@ -475,10 +475,7 @@ static int ehrpwm_pwm_probe(struct platform_device *pdev) return -EINVAL; } - chip = &pc->chip; - chip->dev = &pdev->dev; chip->ops = &ehrpwm_pwm_ops; - chip->npwm = NUM_PWM_CHANNEL; pc->mmio_base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(pc->mmio_base)) |