diff options
| author | Martin Blumenstingl | 2019-06-12 21:58:58 +0200 |
|---|---|---|
| committer | Thierry Reding | 2019-06-26 11:39:06 +0200 |
| commit | 084f137600f436819323adc56da8cd8df87a68b9 (patch) | |
| tree | 3ec3c2a3a89e10ed5fbe57c3f457a7c064cfc58d /drivers/pwm | |
| parent | pwm: jz4740: Force TCU2 channels to return to their init level (diff) | |
| download | kernel-qcow2-linux-084f137600f436819323adc56da8cd8df87a68b9.tar.gz kernel-qcow2-linux-084f137600f436819323adc56da8cd8df87a68b9.tar.xz kernel-qcow2-linux-084f137600f436819323adc56da8cd8df87a68b9.zip | |
pwm: meson: Unify the parameter list of meson_pwm_{enable, disable}
This is a preparation for a future cleanup. Pass struct pwm_device
instead of passing the individual values required by each function as
these can be obtained for each struct pwm_device instance.
As a nice side-effect the driver now uses "switch (pwm->hwpwm)"
everywhere. Before some functions used "switch (id)" while others used
"switch (pwm->hwpwm)".
No functional changes.
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/pwm-meson.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c index 32baf6f6a895..1e544682e6f4 100644 --- a/drivers/pwm/pwm-meson.c +++ b/drivers/pwm/pwm-meson.c @@ -183,15 +183,14 @@ static int meson_pwm_calc(struct meson_pwm *meson, return 0; } -static void meson_pwm_enable(struct meson_pwm *meson, - struct meson_pwm_channel *channel, - unsigned int id) +static void meson_pwm_enable(struct meson_pwm *meson, struct pwm_device *pwm) { + struct meson_pwm_channel *channel = pwm_get_chip_data(pwm); u32 value, clk_shift, clk_enable, enable; unsigned int offset; unsigned long flags; - switch (id) { + switch (pwm->hwpwm) { case 0: clk_shift = MISC_A_CLK_DIV_SHIFT; clk_enable = MISC_A_CLK_EN; @@ -228,12 +227,12 @@ static void meson_pwm_enable(struct meson_pwm *meson, spin_unlock_irqrestore(&meson->lock, flags); } -static void meson_pwm_disable(struct meson_pwm *meson, unsigned int id) +static void meson_pwm_disable(struct meson_pwm *meson, struct pwm_device *pwm) { u32 value, enable; unsigned long flags; - switch (id) { + switch (pwm->hwpwm) { case 0: enable = MISC_A_EN; break; @@ -266,7 +265,7 @@ static int meson_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, return -EINVAL; if (!state->enabled) { - meson_pwm_disable(meson, pwm->hwpwm); + meson_pwm_disable(meson, pwm); channel->state.enabled = false; return 0; @@ -293,7 +292,7 @@ static int meson_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, } if (state->enabled && !channel->state.enabled) { - meson_pwm_enable(meson, channel, pwm->hwpwm); + meson_pwm_enable(meson, pwm); channel->state.enabled = true; } |