diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-14 12:33:08 +0300 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-22 16:39:27 +0300 |
| commit | 12fa8803b6a2f1271a7f1315c921d12f941be03c (patch) | |
| tree | 385a04239ca8ac2cf76ea391249f9b2d437818fd /drivers/pwm | |
| parent | 6a20d5ed0e46a9ef87b70e2113a1102c2c0bd05c (diff) | |
| download | linux-12fa8803b6a2f1271a7f1315c921d12f941be03c.tar.xz | |
pwm: twl: Make use of devm_pwmchip_alloc() function
This prepares the pwm-twol 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/c65e796d46df71cd8d0d0941921997b9501f1cb3.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/pwm-twl.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/pwm/pwm-twl.c b/drivers/pwm/pwm-twl.c index 7233ae039bdb..8f981ffff4b4 100644 --- a/drivers/pwm/pwm-twl.c +++ b/drivers/pwm/pwm-twl.c @@ -46,7 +46,6 @@ #define TWL6030_PWM_TOGGLE(pwm, x) ((x) << (pwm * 3)) struct twl_pwm_chip { - struct pwm_chip chip; struct mutex mutex; u8 twl6030_toggle3; u8 twl4030_pwm_mux; @@ -54,7 +53,7 @@ struct twl_pwm_chip { static inline struct twl_pwm_chip *to_twl(struct pwm_chip *chip) { - return container_of(chip, struct twl_pwm_chip, chip); + return pwmchip_get_drvdata(chip); } static int twl_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, @@ -341,23 +340,22 @@ static const struct pwm_ops twl6030_pwm_ops = { static int twl_pwm_probe(struct platform_device *pdev) { + struct pwm_chip *chip; struct twl_pwm_chip *twl; - twl = devm_kzalloc(&pdev->dev, sizeof(*twl), GFP_KERNEL); - if (!twl) - return -ENOMEM; + chip = devm_pwmchip_alloc(&pdev->dev, 2, sizeof(*twl)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + twl = to_twl(chip); if (twl_class_is_4030()) - twl->chip.ops = &twl4030_pwm_ops; + chip->ops = &twl4030_pwm_ops; else - twl->chip.ops = &twl6030_pwm_ops; - - twl->chip.dev = &pdev->dev; - twl->chip.npwm = 2; + chip->ops = &twl6030_pwm_ops; mutex_init(&twl->mutex); - return devm_pwmchip_add(&pdev->dev, &twl->chip); + return devm_pwmchip_add(&pdev->dev, chip); } #ifdef CONFIG_OF |