1 files changed, 0 insertions, 94 deletions
diff --git a/arch/arm/mach-at91/cpuidle.c b/arch/arm/mach-at91/cpuidle.c
deleted file mode 100644
index 1cfeac1483d..00000000000
--- a/arch/arm/mach-at91/cpuidle.c
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * based on arch/arm/mach-kirkwood/cpuidle.c
- *
- * CPU idle support for AT91 SoC
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2.  This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- *
- * The cpu idle uses wait-for-interrupt and RAM self refresh in order
- * to implement two idle states -
- * #1 wait-for-interrupt
- * #2 wait-for-interrupt and RAM self refresh
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/cpuidle.h>
-#include <asm/proc-fns.h>
-#include <linux/io.h>
-
-#include "pm.h"
-
-#define AT91_MAX_STATES	2
-
-static DEFINE_PER_CPU(struct cpuidle_device, at91_cpuidle_device);
-
-static struct cpuidle_driver at91_idle_driver = {
-	.name =         "at91_idle",
-	.owner =        THIS_MODULE,
-};
-
-/* Actual code that puts the SoC in different idle states */
-static int at91_enter_idle(struct cpuidle_device *dev,
-			       struct cpuidle_state *state)
-{
-	struct timeval before, after;
-	int idle_time;
-	u32 saved_lpr;
-
-	local_irq_disable();
-	do_gettimeofday(&before);
-	if (state == &dev->states[0])
-		/* Wait for interrupt state */
-		cpu_do_idle();
-	else if (state == &dev->states[1]) {
-		asm("b 1f; .align 5; 1:");
-		asm("mcr p15, 0, r0, c7, c10, 4");	/* drain write buffer */
-		saved_lpr = sdram_selfrefresh_enable();
-		cpu_do_idle();
-		sdram_selfrefresh_disable(saved_lpr);
-	}
-	do_gettimeofday(&after);
-	local_irq_enable();
-	idle_time = (after.tv_sec - before.tv_sec) * USEC_PER_SEC +
-			(after.tv_usec - before.tv_usec);
-	return idle_time;
-}
-
-/* Initialize CPU idle by registering the idle states */
-static int at91_init_cpuidle(void)
-{
-	struct cpuidle_device *device;
-
-	cpuidle_register_driver(&at91_idle_driver);
-
-	device = &per_cpu(at91_cpuidle_device, smp_processor_id());
-	device->state_count = AT91_MAX_STATES;
-
-	/* Wait for interrupt state */
-	device->states[0].enter = at91_enter_idle;
-	device->states[0].exit_latency = 1;
-	device->states[0].target_residency = 10000;
-	device->states[0].flags = CPUIDLE_FLAG_TIME_VALID;
-	strcpy(device->states[0].name, "WFI");
-	strcpy(device->states[0].desc, "Wait for interrupt");
-
-	/* Wait for interrupt and RAM self refresh state */
-	device->states[1].enter = at91_enter_idle;
-	device->states[1].exit_latency = 10;
-	device->states[1].target_residency = 10000;
-	device->states[1].flags = CPUIDLE_FLAG_TIME_VALID;
-	strcpy(device->states[1].name, "RAM_SR");
-	strcpy(device->states[1].desc, "WFI and RAM Self Refresh");
-
-	if (cpuidle_register_device(device)) {
-		printk(KERN_ERR "at91_init_cpuidle: Failed registering\n");
-		return -EIO;
-	}
-	return 0;
-}
-
-device_initcall(at91_init_cpuidle);