ARM: zynq: Remove invalidate cache for cpu die

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */

#include <linux/kernel.h>

#include <linux/errno.h>

#include <linux/smp.h>

#include <asm/cacheflush.h>

#include <asm/cp15.h>

#include "common.h"

static inline void zynq_cpu_enter_lowpower(void)

{

	unsigned int v;

	flush_cache_all();

	asm volatile(

	"	mcr	p15, 0, %1, c7, c5, 0\n"

	"	dsb\n"

	/*

	 * Turn off coherency

	 */

	"	mrc	p15, 0, %0, c1, c0, 1\n"

	"	bic	%0, %0, #0x40\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)

	  : "cc");

}

#include <asm/proc-fns.h>

/*

 * platform-specific code to shutdown a CPU

 */

void zynq_platform_cpu_die(unsigned int cpu)

{

	zynq_cpu_enter_lowpower();

	/*

	 * there is no power-control hardware on this platform, so all

	 * we can do is put the core into WFI; this is safe as the calling