/*
* Prepare interrupt susbsytem for entering sleep -- phase 2
* Detect any pending interrupts and configure interrupt hardware.
* Return value:
* -EAGAIN: there are pending interrupt(s); interrupt configuration is not
* changed
* 0: Success
*/
int msm_gic_irq_enter_sleep2(bool modem_wake, int from_idle)
{
if (from_idle && !modem_wake)
return 0;
/* edge triggered interrupt may get lost if this mode is used */
WARN_ON_ONCE(!modem_wake && !from_idle);
if (msm_gic_irq_debug_mask & IRQ_DEBUG_SLEEP)
pr_info("%s interrupts pending\n", __func__);
/* check the pending interrupts */
if (msm_gic_spi_ppi_pending()) {
if (msm_gic_irq_debug_mask & IRQ_DEBUG_SLEEP_ABORT)
pr_info("%s aborted....\n", __func__);
return -EAGAIN;
}
if (modem_wake) {
/* save the contents of GIC CPU interface and Distributor
* Disable all the Interrupts, if we enter from idle pc
*/
msm_gic_save();
irq_set_irq_type(MSM8625_INT_A9_M2A_6, IRQF_TRIGGER_RISING);
enable_irq(MSM8625_INT_A9_M2A_6);
pr_debug("%s going for sleep now\n", __func__);
}
return 0;
}
int msm_gic_irq_enter_sleep2(bool modem_wake, int from_idle)
{
if (from_idle && !modem_wake)
return 0;
WARN_ON_ONCE(!modem_wake && !from_idle);
if (msm_gic_irq_debug_mask & IRQ_DEBUG_SLEEP)
pr_info("%s interrupts pending\n", __func__);
if (msm_gic_spi_ppi_pending()) {
if (msm_gic_irq_debug_mask & IRQ_DEBUG_SLEEP_ABORT)
pr_info("%s aborted....\n", __func__);
return -EAGAIN;
}
if (modem_wake) {
msm_gic_save();
irq_set_irq_type(MSM8625_INT_A9_M2A_6, IRQF_TRIGGER_RISING);
enable_irq(MSM8625_INT_A9_M2A_6);
pr_debug("%s going for sleep now\n", __func__);
}
return 0;
}
