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Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-s3c64xx/cpuidle.c')
-rw-r--r--ANDROID_3.4.5/arch/arm/mach-s3c64xx/cpuidle.c91
1 files changed, 0 insertions, 91 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-s3c64xx/cpuidle.c b/ANDROID_3.4.5/arch/arm/mach-s3c64xx/cpuidle.c
deleted file mode 100644
index 179460f3..00000000
--- a/ANDROID_3.4.5/arch/arm/mach-s3c64xx/cpuidle.c
+++ /dev/null
@@ -1,91 +0,0 @@
-/* linux/arch/arm/mach-s3c64xx/cpuidle.c
- *
- * Copyright (c) 2011 Wolfson Microelectronics, plc
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- * http://www.samsung.com
- *
- * 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/kernel.h>
-#include <linux/init.h>
-#include <linux/cpuidle.h>
-#include <linux/io.h>
-#include <linux/export.h>
-#include <linux/time.h>
-
-#include <asm/proc-fns.h>
-
-#include <mach/map.h>
-
-#include <mach/regs-sys.h>
-#include <mach/regs-syscon-power.h>
-
-static int s3c64xx_enter_idle(struct cpuidle_device *dev,
- struct cpuidle_driver *drv,
- int index)
-{
- struct timeval before, after;
- unsigned long tmp;
- int idle_time;
-
- local_irq_disable();
- do_gettimeofday(&before);
-
- /* Setup PWRCFG to enter idle mode */
- tmp = __raw_readl(S3C64XX_PWR_CFG);
- tmp &= ~S3C64XX_PWRCFG_CFG_WFI_MASK;
- tmp |= S3C64XX_PWRCFG_CFG_WFI_IDLE;
- __raw_writel(tmp, S3C64XX_PWR_CFG);
-
- cpu_do_idle();
-
- do_gettimeofday(&after);
- local_irq_enable();
- idle_time = (after.tv_sec - before.tv_sec) * USEC_PER_SEC +
- (after.tv_usec - before.tv_usec);
-
- dev->last_residency = idle_time;
- return index;
-}
-
-static struct cpuidle_state s3c64xx_cpuidle_set[] = {
- [0] = {
- .enter = s3c64xx_enter_idle,
- .exit_latency = 1,
- .target_residency = 1,
- .flags = CPUIDLE_FLAG_TIME_VALID,
- .name = "IDLE",
- .desc = "System active, ARM gated",
- },
-};
-
-static struct cpuidle_driver s3c64xx_cpuidle_driver = {
- .name = "s3c64xx_cpuidle",
- .owner = THIS_MODULE,
- .state_count = ARRAY_SIZE(s3c64xx_cpuidle_set),
-};
-
-static struct cpuidle_device s3c64xx_cpuidle_device = {
- .state_count = ARRAY_SIZE(s3c64xx_cpuidle_set),
-};
-
-static int __init s3c64xx_init_cpuidle(void)
-{
- int ret;
-
- memcpy(s3c64xx_cpuidle_driver.states, s3c64xx_cpuidle_set,
- sizeof(s3c64xx_cpuidle_set));
- cpuidle_register_driver(&s3c64xx_cpuidle_driver);
-
- ret = cpuidle_register_device(&s3c64xx_cpuidle_device);
- if (ret) {
- pr_err("Failed to register cpuidle device: %d\n", ret);
- return ret;
- }
-
- return 0;
-}
-device_initcall(s3c64xx_init_cpuidle);