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| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-14 12:31:58 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-05-30 10:49:19 +0300 |
| commit | e27639deaeaa5951e2551ae0865e337c9361755b (patch) | |
| tree | 1c05047dd3c69c04df9dd24f48ee8c367ecfcbe8 /drivers/pwm | |
| parent | f2c6a65724401b98a1e81a55d4f5f3770fb6e7bf (diff) | |
| download | linux-e27639deaeaa5951e2551ae0865e337c9361755b.tar.xz | |
pwm: meson: Make use of pwmchip_parent() accessor
[ Upstream commit e369035a98894a7327e78ebd01ec859c6654fc52 ]
struct pwm_chip::dev is about to change. To not have to touch this
driver in the same commit as struct pwm_chip::dev, use the accessor
function provided for exactly this purpose.
Link: https://lore.kernel.org/r/02d5f32001c4d0817fa79f5831cfd16b7e345f00.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Stable-dep-of: 3e551115aee0 ("pwm: meson: Add check for error from clk_round_rate()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/pwm-meson.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c index 7ce41811537d..8f67d6ba443d 100644 --- a/drivers/pwm/pwm-meson.c +++ b/drivers/pwm/pwm-meson.c @@ -122,7 +122,7 @@ static int meson_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) { struct meson_pwm *meson = to_meson_pwm(chip); struct meson_pwm_channel *channel = &meson->channels[pwm->hwpwm]; - struct device *dev = chip->dev; + struct device *dev = pwmchip_parent(chip); int err; err = clk_prepare_enable(channel->clk); @@ -170,19 +170,19 @@ static int meson_pwm_calc(struct pwm_chip *chip, struct pwm_device *pwm, fin_freq = clk_round_rate(channel->clk, freq); if (fin_freq == 0) { - dev_err(chip->dev, "invalid source clock frequency\n"); + dev_err(pwmchip_parent(chip), "invalid source clock frequency\n"); return -EINVAL; } - dev_dbg(chip->dev, "fin_freq: %lu Hz\n", fin_freq); + dev_dbg(pwmchip_parent(chip), "fin_freq: %lu Hz\n", fin_freq); cnt = div_u64(fin_freq * period, NSEC_PER_SEC); if (cnt > 0xffff) { - dev_err(chip->dev, "unable to get period cnt\n"); + dev_err(pwmchip_parent(chip), "unable to get period cnt\n"); return -EINVAL; } - dev_dbg(chip->dev, "period=%llu cnt=%u\n", period, cnt); + dev_dbg(pwmchip_parent(chip), "period=%llu cnt=%u\n", period, cnt); if (duty == period) { channel->hi = cnt; @@ -193,7 +193,7 @@ static int meson_pwm_calc(struct pwm_chip *chip, struct pwm_device *pwm, } else { duty_cnt = div_u64(fin_freq * duty, NSEC_PER_SEC); - dev_dbg(chip->dev, "duty=%llu duty_cnt=%u\n", duty, duty_cnt); + dev_dbg(pwmchip_parent(chip), "duty=%llu duty_cnt=%u\n", duty, duty_cnt); channel->hi = duty_cnt; channel->lo = cnt - duty_cnt; @@ -217,7 +217,7 @@ static void meson_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) err = clk_set_rate(channel->clk, channel->rate); if (err) - dev_err(chip->dev, "setting clock rate failed\n"); + dev_err(pwmchip_parent(chip), "setting clock rate failed\n"); spin_lock_irqsave(&meson->lock, flags); @@ -439,7 +439,7 @@ static int meson_pwm_init_channels(struct pwm_chip *chip) { struct meson_pwm *meson = to_meson_pwm(chip); struct clk_parent_data mux_parent_data[MESON_MAX_MUX_PARENTS] = {}; - struct device *dev = chip->dev; + struct device *dev = pwmchip_parent(chip); unsigned int i; char name[255]; int err; |