/* Hook to Linux PM */
void mtkpasr_phaseone_ops(void)
{
IS_MTKPASR_ENABLED_NORV;
/* It means no need to apply this op (Simply for paging or other periodic wakeups) */
if (is_mtkpasr_triggered()) {
return;
}
MTKPASR_START_PROFILE();
#ifdef CONFIG_MTKPASR_MAFL
if (mtkpasr_no_phaseone_ops())
goto no_phaseone;
#endif
mtkpasr_info("\n");
/* Drop cache - linux/mm.h */
drop_pagecache();
#ifdef CONFIG_MTKPASR_MAFL
no_phaseone:
#endif
MTKPASR_END_PROFILE();
}
/**
* suspend_devices_and_enter - Suspend devices and enter system sleep state.
* @state: System sleep state to enter.
*/
int suspend_devices_and_enter(suspend_state_t state)
{
int error;
bool wakeup = false;
if (need_suspend_ops(state) && !suspend_ops)
return -ENOSYS;
#ifdef CONFIG_TOI
drop_pagecache();
#endif
trace_machine_suspend(state);
if (need_suspend_ops(state) && suspend_ops->begin) {
error = suspend_ops->begin(state);
if (error)
goto Close;
}
suspend_console();
ftrace_stop();
suspend_test_start();
error = dpm_suspend_start(PMSG_SUSPEND);
if (error) {
printk(KERN_ERR "PM: Some devices failed to suspend\n");
goto Recover_platform;
}
suspend_test_finish("suspend devices");
if (suspend_test(TEST_DEVICES))
goto Recover_platform;
do {
error = suspend_enter(state, &wakeup);
} while (!error && !wakeup && need_suspend_ops(state)
&& suspend_ops->suspend_again && suspend_ops->suspend_again());
Resume_devices:
suspend_test_start();
dpm_resume_end(PMSG_RESUME);
suspend_test_finish("resume devices");
ftrace_start();
resume_console();
Close:
if (need_suspend_ops(state) && suspend_ops->end)
suspend_ops->end();
trace_machine_suspend(PWR_EVENT_EXIT);
return error;
Recover_platform:
if (need_suspend_ops(state) && suspend_ops->recover)
suspend_ops->recover();
goto Resume_devices;
}
/* Hook to Linux PM */
void mtkpasr_phaseone_ops(void)
{
MTKPASR_START_PROFILE();
#ifdef CONFIG_MTKPASR_MAFL
if (mtkpasr_no_phaseone_ops())
goto no_phaseone;
#endif
mtkpasr_info("\n");
/* Drop cache - linux/mm.h */
drop_pagecache();
#ifdef CONFIG_MTKPASR_MAFL
no_phaseone:
#endif
MTKPASR_END_PROFILE();
}
/* Hook to Linux PM */
void mtkpasr_phaseone_ops(void)
{
struct wd_api *wd_api = NULL;
/* To restart wdt */
if (get_wd_api(&wd_api) == 0) {
mtkpasr_log("PASR kicks WDT!\n");
wd_api->wd_restart(WD_TYPE_NORMAL);
}
IS_MTKPASR_ENABLED_NORV;
/* It means no need to apply this op (Simply for paging or other periodic wakeups) */
if (is_mtkpasr_triggered()) {
return;
}
MTKPASR_START_PROFILE();
/* It will go to MTKPASR stage */
current->flags |= PF_MTKPASR;
/* Inform all other memory pools to release their memory */
try_to_shrink_slab();
/* It will leave MTKPASR stage */
current->flags &= ~PF_MTKPASR;
#ifdef CONFIG_MTKPASR_MAFL
if (mtkpasr_no_phaseone_ops())
goto no_phaseone;
#endif
mtkpasr_info("\n");
/* Drop cache - linux/mm.h */
drop_pagecache();
#ifdef CONFIG_MTKPASR_MAFL
no_phaseone:
#endif
MTKPASR_END_PROFILE();
}
