From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/drivers/pwm/pwm-sti.c | 15 ++++-----------
1 files changed, 4 insertions(+), 11 deletions(-)
diff --git a/kernel/drivers/pwm/pwm-sti.c b/kernel/drivers/pwm/pwm-sti.c
index ca67401..1508616 100644
--- a/kernel/drivers/pwm/pwm-sti.c
+++ b/kernel/drivers/pwm/pwm-sti.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* PWM device driver for ST SoCs
*
@@ -5,11 +6,6 @@
*
* Author: Ajit Pal Singh <ajitpal.singh@st.com>
* Lee Jones <lee.jones@linaro.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/clk.h>
@@ -375,11 +371,10 @@
effective_ticks = clk_get_rate(pc->cpt_clk);
result->period = (high + low) * NSEC_PER_SEC;
- result->period = do_div(result->period, effective_ticks);
+ result->period /= effective_ticks;
result->duty_cycle = high * NSEC_PER_SEC;
- result->duty_cycle = do_div(result->duty_cycle,
- effective_ticks);
+ result->duty_cycle /= effective_ticks;
break;
@@ -569,10 +564,8 @@
return PTR_ERR(pc->regmap);
irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- dev_err(&pdev->dev, "Failed to obtain IRQ\n");
+ if (irq < 0)
return irq;
- }
ret = devm_request_irq(&pdev->dev, irq, sti_pwm_interrupt, 0,
pdev->name, pc);
--
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