Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=010bb0cf42fe2fa0a00753e0c11a3e8bfefb37a3
Commit: 010bb0cf42fe2fa0a00753e0c11a3e8bfefb37a3
Parent: 087c50302fbd608118e7c0f27a95dc552ad2f53b
Author: Vivek Kutal <[EMAIL PROTECTED]>
AuthorDate: Tue Dec 11 21:46:31 2007 +0530
Committer: Tony Lindgren <[EMAIL PROTECTED]>
CommitDate: Fri Feb 8 10:38:01 2008 -0800
ARM: OMAP1: PM fixes for OMAP1
This patch does the following:
- Fixes the omap_pm_idle() code so that we enter WFI mode in idle.
- /sys/power/sleep_while_idle is created only when 32k timer is used
Signed-off-by: Vivek Kutal <[EMAIL PROTECTED]>
Signed-off-by: Tony Lindgren <[EMAIL PROTECTED]>
---
arch/arm/mach-omap1/pm.c | 17 ++++++++++++-----
1 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/arch/arm/mach-omap1/pm.c b/arch/arm/mach-omap1/pm.c
index 06b7e54..64adb24 100644
--- a/arch/arm/mach-omap1/pm.c
+++ b/arch/arm/mach-omap1/pm.c
@@ -67,6 +67,8 @@ static unsigned int
mpui730_sleep_save[MPUI730_SLEEP_SAVE_SIZE];
static unsigned int mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_SIZE];
static unsigned int mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_SIZE];
+#ifdef CONFIG_OMAP_32K_TIMER
+
static unsigned short enable_dyn_sleep = 1;
static ssize_t idle_show(struct kobject *kobj, struct kobj_attribute *attr,
@@ -91,6 +93,8 @@ static ssize_t idle_store(struct kobject *kobj, struct
kobj_attribute *attr,
static struct kobj_attribute sleep_while_idle_attr =
__ATTR(sleep_while_idle, 0644, idle_show, idle_store);
+#endif
+
static void (*omap_sram_idle)(void) = NULL;
static void (*omap_sram_suspend)(unsigned long r0, unsigned long r1) = NULL;
@@ -104,9 +108,7 @@ void omap_pm_idle(void)
{
extern __u32 arm_idlect1_mask;
__u32 use_idlect1 = arm_idlect1_mask;
-#ifndef CONFIG_OMAP_MPU_TIMER
- int do_sleep;
-#endif
+ int do_sleep = 0;
local_irq_disable();
local_fiq_disable();
@@ -128,7 +130,6 @@ void omap_pm_idle(void)
use_idlect1 = use_idlect1 & ~(1 << 9);
#else
- do_sleep = 0;
while (enable_dyn_sleep) {
#ifdef CONFIG_CBUS_TAHVO_USB
@@ -141,6 +142,8 @@ void omap_pm_idle(void)
break;
}
+#endif
+
#ifdef CONFIG_OMAP_DM_TIMER
use_idlect1 = omap_dm_timer_modify_idlect_mask(use_idlect1);
#endif
@@ -168,7 +171,6 @@ void omap_pm_idle(void)
}
omap_sram_suspend(omap_readl(ARM_IDLECT1),
omap_readl(ARM_IDLECT2));
-#endif
local_fiq_enable();
local_irq_enable();
@@ -661,7 +663,10 @@ static struct platform_suspend_ops omap_pm_ops ={
static int __init omap_pm_init(void)
{
+
+#ifdef CONFIG_OMAP_32K_TIMER
int error;
+#endif
printk("Power Management for TI OMAP.\n");
@@ -719,9 +724,11 @@ static int __init omap_pm_init(void)
omap_pm_init_proc();
#endif
+#ifdef CONFIG_OMAP_32K_TIMER
error = sysfs_create_file(power_kobj, &sleep_while_idle_attr);
if (error)
printk(KERN_ERR "sysfs_create_file failed: %d\n", error);
+#endif
if (cpu_is_omap16xx()) {
/* configure LOW_PWR pin */
-
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