From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/arch/arm/mach-imx/cpuidle-imx6q.c | 23 +++++++++++------------
1 files changed, 11 insertions(+), 12 deletions(-)
diff --git a/kernel/arch/arm/mach-imx/cpuidle-imx6q.c b/kernel/arch/arm/mach-imx/cpuidle-imx6q.c
index 326e870..094337d 100644
--- a/kernel/arch/arm/mach-imx/cpuidle-imx6q.c
+++ b/kernel/arch/arm/mach-imx/cpuidle-imx6q.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2012 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/cpuidle.h>
@@ -17,22 +14,24 @@
#include "hardware.h"
static int num_idle_cpus = 0;
-static DEFINE_SPINLOCK(cpuidle_lock);
+static DEFINE_RAW_SPINLOCK(cpuidle_lock);
static int imx6q_enter_wait(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
{
- spin_lock(&cpuidle_lock);
+ raw_spin_lock(&cpuidle_lock);
if (++num_idle_cpus == num_online_cpus())
imx6_set_lpm(WAIT_UNCLOCKED);
- spin_unlock(&cpuidle_lock);
+ raw_spin_unlock(&cpuidle_lock);
+ rcu_idle_enter();
cpu_do_idle();
+ rcu_idle_exit();
- spin_lock(&cpuidle_lock);
+ raw_spin_lock(&cpuidle_lock);
if (num_idle_cpus-- == num_online_cpus())
imx6_set_lpm(WAIT_CLOCKED);
- spin_unlock(&cpuidle_lock);
+ raw_spin_unlock(&cpuidle_lock);
return index;
}
@@ -47,7 +46,7 @@
{
.exit_latency = 50,
.target_residency = 75,
- .flags = CPUIDLE_FLAG_TIMER_STOP,
+ .flags = CPUIDLE_FLAG_TIMER_STOP | CPUIDLE_FLAG_RCU_IDLE,
.enter = imx6q_enter_wait,
.name = "WAIT",
.desc = "Clock off",
@@ -65,13 +64,13 @@
*/
void imx6q_cpuidle_fec_irqs_used(void)
{
- imx6q_cpuidle_driver.states[1].disabled = true;
+ cpuidle_driver_state_disabled(&imx6q_cpuidle_driver, 1, true);
}
EXPORT_SYMBOL_GPL(imx6q_cpuidle_fec_irqs_used);
void imx6q_cpuidle_fec_irqs_unused(void)
{
- imx6q_cpuidle_driver.states[1].disabled = false;
+ cpuidle_driver_state_disabled(&imx6q_cpuidle_driver, 1, false);
}
EXPORT_SYMBOL_GPL(imx6q_cpuidle_fec_irqs_unused);
--
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