Release 4.10 arch/arm/mach-ux500/hotplug.c

/*
 * Copyright (C) STMicroelectronics 2009
 * Copyright (C) ST-Ericsson SA 2010
 *
 * License Terms: GNU General Public License v2
 *      Based on ARM realview platform
 *
 * Author: Sundar Iyer <sundar.iyer@stericsson.com>
 *
 */
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/smp.h>

#include <asm/smp_plat.h>

#include "setup.h"

/*
 * platform-specific code to shutdown a CPU
 *
 * Called with IRQs disabled
 */


void ux500_cpu_die(unsigned int cpu)
{
	/* directly enter low power state, skipping secure registers */
	for (;;) {
		__asm__ __volatile__("dsb\n\t" "wfi\n\t"
                                : : : "memory");
		if (pen_release == cpu_logical_map(cpu)) {
			/*
                         * OK, proper wakeup, we're done
                         */
			break;
		}
	}
}
Contributors
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CommitProp
sundar iyer
sundar iyer
28
84.85%
1
33.33%
will deacon
will deacon
3
9.09%
1
33.33%
marc zyngier
marc zyngier
2
6.06%
1
33.33%
Total
33
100.00%
3
100.00%

Overall Contributors
Person
Tokens
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sundar iyer
sundar iyer
40
80.00%
1
20.00%
marc zyngier
marc zyngier
5
10.00%
1
20.00%
will deacon
will deacon
4
8.00%
2
40.00%
arnd bergmann
arnd bergmann
1
2.00%
1
20.00%
Total
50
100.00%
5
100.00%
Directory: arch/arm/mach-ux500

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