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authorTony Lindgren <tony@atomide.com>2009-09-02 15:23:05 -0700
committerTony Lindgren <tony@atomide.com>2009-09-02 15:23:05 -0700
commit5567fa1f543dde3c42f8e52bf4f7005135b24896 (patch)
treef4e2815758d5dd15f75a6c1523c1abc50966cdcb /arch/arm/mach-omap2/pm34xx.c
parentd3d381c6365ef5b06c4184a3fe047cf027533970 (diff)
parent68d4778c701b7e22ddfd64e3afb6628c92718ad2 (diff)
Merge branch 'pm-upstream/debug' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into for-next
Diffstat (limited to 'arch/arm/mach-omap2/pm34xx.c')
-rw-r--r--arch/arm/mach-omap2/pm34xx.c38
1 files changed, 34 insertions, 4 deletions
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index d67b781045b..0ff5a6c53aa 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -170,6 +170,8 @@ static void omap_sram_idle(void)
printk(KERN_ERR "Invalid mpu state in sram_idle\n");
return;
}
+ pwrdm_pre_transition();
+
omap2_gpio_prepare_for_retention();
omap_uart_prepare_idle(0);
omap_uart_prepare_idle(1);
@@ -182,6 +184,9 @@ static void omap_sram_idle(void)
omap_uart_resume_idle(1);
omap_uart_resume_idle(0);
omap2_gpio_resume_after_retention();
+
+ pwrdm_post_transition();
+
}
/*
@@ -271,6 +276,7 @@ static int set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
if (sleep_switch) {
omap2_clkdm_allow_idle(pwrdm->pwrdm_clkdms[0]);
pwrdm_wait_transition(pwrdm);
+ pwrdm_state_switch(pwrdm);
}
err:
@@ -658,7 +664,31 @@ static void __init prcm_setup_regs(void)
omap3_d2d_idle();
}
-static int __init pwrdms_setup(struct powerdomain *pwrdm)
+int omap3_pm_get_suspend_state(struct powerdomain *pwrdm)
+{
+ struct power_state *pwrst;
+
+ list_for_each_entry(pwrst, &pwrst_list, node) {
+ if (pwrst->pwrdm == pwrdm)
+ return pwrst->next_state;
+ }
+ return -EINVAL;
+}
+
+int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state)
+{
+ struct power_state *pwrst;
+
+ list_for_each_entry(pwrst, &pwrst_list, node) {
+ if (pwrst->pwrdm == pwrdm) {
+ pwrst->next_state = state;
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
+static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused)
{
struct power_state *pwrst;
@@ -683,7 +713,7 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm)
* supported. Initiate sleep transition for other clockdomains, if
* they are not used
*/
-static int __init clkdms_setup(struct clockdomain *clkdm)
+static int __init clkdms_setup(struct clockdomain *clkdm, void *unused)
{
if (clkdm->flags & CLKDM_CAN_ENABLE_AUTO)
omap2_clkdm_allow_idle(clkdm);
@@ -716,13 +746,13 @@ static int __init omap3_pm_init(void)
goto err1;
}
- ret = pwrdm_for_each(pwrdms_setup);
+ ret = pwrdm_for_each(pwrdms_setup, NULL);
if (ret) {
printk(KERN_ERR "Failed to setup powerdomains\n");
goto err2;
}
- (void) clkdm_for_each(clkdms_setup);
+ (void) clkdm_for_each(clkdms_setup, NULL);
mpu_pwrdm = pwrdm_lookup("mpu_pwrdm");
if (mpu_pwrdm == NULL) {