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path: root/drivers/bus/mhi/host/pm.c
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Diffstat (limited to 'drivers/bus/mhi/host/pm.c')
-rw-r--r--drivers/bus/mhi/host/pm.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/bus/mhi/host/pm.c b/drivers/bus/mhi/host/pm.c
index dc2e8ff3bff2..4a42186ff111 100644
--- a/drivers/bus/mhi/host/pm.c
+++ b/drivers/bus/mhi/host/pm.c
@@ -500,7 +500,7 @@ static void mhi_pm_disable_transition(struct mhi_controller *mhi_cntrl)
for (i = 0; i < mhi_cntrl->total_ev_rings; i++, mhi_event++) {
if (mhi_event->offload_ev)
continue;
- free_irq(mhi_cntrl->irq[mhi_event->irq], mhi_event);
+ disable_irq(mhi_cntrl->irq[mhi_event->irq]);
tasklet_kill(&mhi_event->task);
}
@@ -1060,12 +1060,13 @@ static void mhi_deassert_dev_wake(struct mhi_controller *mhi_cntrl,
int mhi_async_power_up(struct mhi_controller *mhi_cntrl)
{
+ struct mhi_event *mhi_event = mhi_cntrl->mhi_event;
enum mhi_state state;
enum mhi_ee_type current_ee;
enum dev_st_transition next_state;
struct device *dev = &mhi_cntrl->mhi_dev->dev;
u32 interval_us = 25000; /* poll register field every 25 milliseconds */
- int ret;
+ int ret, i;
dev_info(dev, "Requested to power ON\n");
@@ -1117,9 +1118,15 @@ int mhi_async_power_up(struct mhi_controller *mhi_cntrl)
mhi_write_reg(mhi_cntrl, mhi_cntrl->bhi, BHI_INTVEC, 0);
}
- ret = mhi_init_irq_setup(mhi_cntrl);
- if (ret)
- goto error_exit;
+ /* IRQs have been requested during probe, so we just need to enable them. */
+ enable_irq(mhi_cntrl->irq[0]);
+
+ for (i = 0; i < mhi_cntrl->total_ev_rings; i++, mhi_event++) {
+ if (mhi_event->offload_ev)
+ continue;
+
+ enable_irq(mhi_cntrl->irq[mhi_event->irq]);
+ }
/* Transition to next state */
next_state = MHI_IN_PBL(current_ee) ?
@@ -1182,7 +1189,7 @@ void mhi_power_down(struct mhi_controller *mhi_cntrl, bool graceful)
/* Wait for shutdown to complete */
flush_work(&mhi_cntrl->st_worker);
- free_irq(mhi_cntrl->irq[0], mhi_cntrl);
+ disable_irq(mhi_cntrl->irq[0]);
}
EXPORT_SYMBOL_GPL(mhi_power_down);