diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-14 10:31:24 +0100 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-19 11:04:08 +0100 |
| commit | e80c1aa6aedcb8dc434e013f124c527282079bbd (patch) | |
| tree | bab80db4b1996a32ed512518566f9f77e24cfd74 /drivers/pwm | |
| parent | 3f681ff7ba799829c918140a42833ca48878d3f9 (diff) | |
| download | linux-e80c1aa6aedcb8dc434e013f124c527282079bbd.tar.gz | |
pwm: fsl-ftm: Change prototype of a helper to prepare further changes
This prepares the driver for further changes that will make it harder to
determine the pwm_chip from a given fsl_pwm_chip. To just not have to
do that, rework fsl_pwm_apply_config() to take a pwm_chip.
Link: https://lore.kernel.org/r/5f0e88afe25d6a218032891a34f963980814b760.1707900770.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-fsl-ftm.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/pwm/pwm-fsl-ftm.c b/drivers/pwm/pwm-fsl-ftm.c index d1b6d1aa47736..5792c6ca449fd 100644 --- a/drivers/pwm/pwm-fsl-ftm.c +++ b/drivers/pwm/pwm-fsl-ftm.c @@ -221,10 +221,11 @@ static bool fsl_pwm_is_other_pwm_enabled(struct fsl_pwm_chip *fpc, return false; } -static int fsl_pwm_apply_config(struct fsl_pwm_chip *fpc, +static int fsl_pwm_apply_config(struct pwm_chip *chip, struct pwm_device *pwm, const struct pwm_state *newstate) { + struct fsl_pwm_chip *fpc = to_fsl_chip(chip); unsigned int duty; u32 reg_polarity; @@ -232,7 +233,7 @@ static int fsl_pwm_apply_config(struct fsl_pwm_chip *fpc, bool do_write_period = false; if (!fsl_pwm_calculate_period(fpc, newstate->period, &periodcfg)) { - dev_err(fpc->chip.dev, "failed to calculate new period\n"); + dev_err(chip->dev, "failed to calculate new period\n"); return -EINVAL; } @@ -246,7 +247,7 @@ static int fsl_pwm_apply_config(struct fsl_pwm_chip *fpc, */ else if (!fsl_pwm_periodcfg_are_equal(&fpc->period, &periodcfg)) { if (fsl_pwm_is_other_pwm_enabled(fpc, pwm)) { - dev_err(fpc->chip.dev, + dev_err(chip->dev, "Cannot change period for PWM %u, disable other PWMs first\n", pwm->hwpwm); return -EBUSY; @@ -322,7 +323,7 @@ static int fsl_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, goto end_mutex; } - ret = fsl_pwm_apply_config(fpc, pwm, newstate); + ret = fsl_pwm_apply_config(chip, pwm, newstate); if (ret) goto end_mutex; |