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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
pwm: meson: Simplify get_state() callback
In .get_state() callback meson_pwm_channel struct are used to store
lo and hi reg values but they are never reused after that so
for clearness use local variable instead.
Signed-off-by: George Stark <gnstark@salutedevices.com>
Link: https://lore.kernel.org/r/20241119125318.3492261-2-gnstark@salutedevices.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
authored by
George Stark
and committed by
Uwe Kleine-König
8c22e890
8ffd015d
+5
-6
+5
-6
drivers/pwm/pwm-meson.c
+5
-6
drivers/pwm/pwm-meson.c
···
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{
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struct meson_pwm *meson = to_meson_pwm(chip);
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struct meson_pwm_channel_data *channel_data;
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struct meson_pwm_channel *channel;
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unsigned int hi, lo;
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u32 value;
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channel = &meson->channels[pwm->hwpwm];
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channel_data = &meson_pwm_per_channel_data[pwm->hwpwm];
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value = readl(meson->base + REG_MISC_AB);
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state->enabled = value & channel_data->pwm_en_mask;
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value = readl(meson->base + channel_data->reg_offset);
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channel->lo = FIELD_GET(PWM_LOW_MASK, value);
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channel->hi = FIELD_GET(PWM_HIGH_MASK, value);
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lo = FIELD_GET(PWM_LOW_MASK, value);
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hi = FIELD_GET(PWM_HIGH_MASK, value);
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state->period = meson_pwm_cnt_to_ns(chip, pwm, channel->lo + channel->hi);
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state->duty_cycle = meson_pwm_cnt_to_ns(chip, pwm, channel->hi);
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state->period = meson_pwm_cnt_to_ns(chip, pwm, lo + hi);
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state->duty_cycle = meson_pwm_cnt_to_ns(chip, pwm, hi);
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state->polarity = PWM_POLARITY_NORMAL;
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