From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp
---
kernel/arch/arm/mach-imx/hotplug.c | 32 +++-----------------------------
1 files changed, 3 insertions(+), 29 deletions(-)
diff --git a/kernel/arch/arm/mach-imx/hotplug.c b/kernel/arch/arm/mach-imx/hotplug.c
index b35e99c..82e2239 100644
--- a/kernel/arch/arm/mach-imx/hotplug.c
+++ b/kernel/arch/arm/mach-imx/hotplug.c
@@ -1,42 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2011 Freescale Semiconductor, Inc.
* Copyright 2011 Linaro Ltd.
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/errno.h>
#include <linux/jiffies.h>
+#include <asm/cacheflush.h>
#include <asm/cp15.h>
#include <asm/proc-fns.h>
#include "common.h"
-
-static inline void cpu_enter_lowpower(void)
-{
- unsigned int v;
-
- asm volatile(
- "mcr p15, 0, %1, c7, c5, 0\n"
- " mcr p15, 0, %1, c7, c10, 4\n"
- /*
- * Turn off coherency
- */
- " mrc p15, 0, %0, c1, c0, 1\n"
- " bic %0, %0, %3\n"
- " mcr p15, 0, %0, c1, c0, 1\n"
- " mrc p15, 0, %0, c1, c0, 0\n"
- " bic %0, %0, %2\n"
- " mcr p15, 0, %0, c1, c0, 0\n"
- : "=&r" (v)
- : "r" (0), "Ir" (CR_C), "Ir" (0x40)
- : "cc");
-}
/*
* platform-specific code to shutdown a CPU
@@ -45,7 +19,7 @@
*/
void imx_cpu_die(unsigned int cpu)
{
- cpu_enter_lowpower();
+ v7_exit_coherency_flush(louis);
/*
* We use the cpu jumping argument register to sync with
* imx_cpu_kill() which is running on cpu0 and waiting for
--
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