static void rwlock_bug(rwlock_t *lock, const char *msg)
{
if (!debug_locks_off())
return;
printk(KERN_EMERG "BUG: rwlock %s on CPU#%d, %s/%d, %p\n",
msg, raw_smp_processor_id(), current->comm,
task_pid_nr(current), lock);
#ifdef CONFIG_DEBUG_SPINLOCK_BITE_ON_BUG
msm_trigger_wdog_bite();
#elif defined(CONFIG_DEBUG_SPINLOCK_PANIC_ON_BUG)
BUG();
#endif
dump_stack();
}
static void spin_dump(raw_spinlock_t *lock, const char *msg)
{
struct task_struct *owner = NULL;
if (lock->owner && lock->owner != SPINLOCK_OWNER_INIT)
owner = lock->owner;
printk(KERN_EMERG "BUG: spinlock %s on CPU#%d, %s/%d\n",
msg, raw_smp_processor_id(),
current->comm, task_pid_nr(current));
printk(KERN_EMERG " lock: %pS, .magic: %08x, .owner: %s/%d, "
".owner_cpu: %d\n",
lock, lock->magic,
owner ? owner->comm : "<none>",
owner ? task_pid_nr(owner) : -1,
lock->owner_cpu);
#ifdef CONFIG_DEBUG_SPINLOCK_BITE_ON_BUG
msm_trigger_wdog_bite();
#elif defined(CONFIG_DEBUG_SPINLOCK_PANIC_ON_BUG)
BUG();
#endif
dump_stack();
}
static void warn_irq_w(struct work_struct *w)
{
struct mmi_factory_info *info = container_of(w,
struct mmi_factory_info,
warn_irq_work.work);
int warn_line = gpio_get_value(info->list[KP_WARN_INDEX].gpio);
int reset_info = RESET_EXTRA_RESET_KUNPOW_REASON;
if (!warn_line) {
pr_info("HW User Reset!\n");
pr_info("2 sec to Reset.\n");
#ifdef CONFIG_QPNP_POWER_ON
/* trigger wdog if resin key pressed */
if (qpnp_pon_key_status & QPNP_PON_KEY_RESIN_BIT) {
pr_info("User triggered watchdog reset(Pwr + VolDn)\n");
msm_trigger_wdog_bite();
return;
}
#endif
/* Configure hardware reset before halt
* The new KUNGKOW circuit will not disconnect the battery if
* usb/dc is connected. But because the kernel is halted, a
* watchdog reset will be reported instead of hardware reset.
* In this case, we need to clear the KUNPOW reset bit to let
* BL detect it as a hardware reset.
* A pmic hard reset is necessary to report the powerup reason
* to BL correctly.
*/
if (usr_rst_sw_dis_flg <= 0) {
qpnp_pon_store_extra_reset_info(reset_info, 0);
qpnp_pon_system_pwr_off(PON_POWER_OFF_HARD_RESET);
kernel_halt();
} else
pr_info("SW HALT Disabled!\n");
return;
}
}
