From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/arch/arm/mach-omap2/omap-smp.c | 27 ++-------------------------
1 files changed, 2 insertions(+), 25 deletions(-)
diff --git a/kernel/arch/arm/mach-omap2/omap-smp.c b/kernel/arch/arm/mach-omap2/omap-smp.c
index ac4d2f0..570a987 100644
--- a/kernel/arch/arm/mach-omap2/omap-smp.c
+++ b/kernel/arch/arm/mach-omap2/omap-smp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* OMAP4 SMP source file. It contains platform specific functions
* needed for the linux smp kernel.
@@ -10,10 +11,6 @@
* Platform file needed for the OMAP4 SMP. This file is based on arm
* realview smp platform.
* * Copyright (c) 2002 ARM Limited.
- *
- * 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/init.h>
#include <linux/device.h>
@@ -69,15 +66,13 @@
.startup_addr = omap5_secondary_startup,
};
-static DEFINE_RAW_SPINLOCK(boot_lock);
-
void __iomem *omap4_get_scu_base(void)
{
return cfg.scu_base;
}
#ifdef CONFIG_OMAP5_ERRATA_801819
-void omap5_erratum_workaround_801819(void)
+static void omap5_erratum_workaround_801819(void)
{
u32 acr, revidr;
u32 acr_mask;
@@ -173,12 +168,6 @@
/* Enable ACR to allow for ICUALLU workaround */
omap5_secondary_harden_predictor();
}
-
- /*
- * Synchronise with the boot thread.
- */
- raw_spin_lock(&boot_lock);
- raw_spin_unlock(&boot_lock);
}
static int omap4_boot_secondary(unsigned int cpu, struct task_struct *idle)
@@ -186,12 +175,6 @@
static struct clockdomain *cpu1_clkdm;
static bool booted;
static struct powerdomain *cpu1_pwrdm;
-
- /*
- * Set synchronisation state between this boot processor
- * and the secondary one
- */
- raw_spin_lock(&boot_lock);
/*
* Update the AuxCoreBoot0 with boot state for secondary core.
@@ -265,12 +248,6 @@
}
arch_send_wakeup_ipi_mask(cpumask_of(cpu));
-
- /*
- * Now the secondary core is starting up let it run its
- * calibrations, then wait for it to finish
- */
- raw_spin_unlock(&boot_lock);
return 0;
}
--
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