github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-22 14:12:07 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

pwm: atmel-tcb: Make use of devm_pwmchip_alloc() function

Browse Source 
This prepares the pwm-atmel-tcb 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/c845e6c9d27c8a4037755b2ae702b0039947a3c1.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
This commit is contained in:
Uwe Kleine-König 2024-02-14 10:31:02 +01:00
parent dfab73eb28
commit af184748c6
1 changed files with 5 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/pwm/pwm-atmel-tcb.c
View File

@ -47,7 +47,6 @@ struct atmel_tcb_channel {
};
struct atmel_tcb_pwm_chip {
struct pwm_chip chip;
spinlock_t lock;
u8 channel;
u8 width;
@ -63,7 +62,7 @@ static const u8 atmel_tcb_divisors[] = { 2, 8, 32, 128, 0, };
static inline struct atmel_tcb_pwm_chip *to_tcb_chip(struct pwm_chip *chip)
{
return container_of(chip, struct atmel_tcb_pwm_chip, chip);
return pwmchip_get_drvdata(chip);
}
static int atmel_tcb_pwm_request(struct pwm_chip *chip,
@ -397,9 +396,10 @@ static int atmel_tcb_pwm_probe(struct platform_device *pdev)
int err;
int channel;
tcbpwm = devm_kzalloc(&pdev->dev, sizeof(*tcbpwm), GFP_KERNEL);
if (tcbpwm == NULL)
return -ENOMEM;
chip = devm_pwmchip_alloc(&pdev->dev, NPWM, sizeof(*tcbpwm));
if (IS_ERR(chip))
return PTR_ERR(chip);
tcbpwm = to_tcb_chip(chip);
err = of_property_read_u32(np, "reg", &channel);
if (err < 0) {
@ -437,10 +437,7 @@ static int atmel_tcb_pwm_probe(struct platform_device *pdev)
}
}
chip = &tcbpwm->chip;
chip->dev = &pdev->dev;
chip->ops = &atmel_tcb_pwm_ops;
chip->npwm = NPWM;
tcbpwm->channel = channel;
tcbpwm->width = config->counter_width;