修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/drivers/pwm/pwm-clps711x.c
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@@ -1,12 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0+
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 /*
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  * Cirrus Logic CLPS711X PWM driver
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- *
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- * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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+ * Author: Alexander Shiyan <shc_work@mail.ru>
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  */
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 #include <linux/clk.h>
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@@ -48,9 +43,7 @@
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 static unsigned int clps711x_get_duty(struct pwm_device *pwm, unsigned int v)
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 {
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 	/* Duty cycle 0..15 max */
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-	/* DIV_ROUND_CLOSEST(v * 0xf, pwm->args.period) with u64 divisor */
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-	unsigned long long tmp = (v * 0xf) + do_div(pwm->args.period, 2);
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-	return div64_u64(tmp, pwm->args.period);
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+	return DIV64_U64_ROUND_CLOSEST(v * 0xf, pwm->args.period);
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 }
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 static int clps711x_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)