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Diffstat (limited to 'arch/arm/mach-zynq/hotplug.c')
-rw-r--r--arch/arm/mach-zynq/hotplug.c47
1 files changed, 1 insertions, 46 deletions
diff --git a/arch/arm/mach-zynq/hotplug.c b/arch/arm/mach-zynq/hotplug.c
index 5052c70326e4..b685c89f11e4 100644
--- a/arch/arm/mach-zynq/hotplug.c
+++ b/arch/arm/mach-zynq/hotplug.c
@@ -10,50 +10,5 @@
* 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/proc-fns.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");
-}
-
-/*
- * platform-specific code to shutdown a CPU
- *
- * Called with IRQs disabled
- */
-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
- * code will have already disabled interrupts
- */
- for (;;)
- cpu_do_idle();
-}