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msm: mhi: Enabled event ring context updates

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Enabled event ring context updates regardless of MHI
power state.

Change-Id: I910d056d53f7c940caea48546c206d4603e8a4b9
Signed-off-by: Andrei Danaila <adanaila@codeaurora.org>
This commit is contained in:
Andrei Danaila 2014-09-12 14:02:08 -07:00 • committed by David Keitel
parent 43558e8dff
commit 1c092cebee
1 changed files with 13 additions and 0 deletions
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13
drivers/platform/msm/mhi/mhi_main.c
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@ -1035,6 +1035,19 @@ enum MHI_STATUS recycle_trb_and_ring(struct mhi_device_ctxt *mhi_dev_ctxt,
(union mhi_xfer_pkt *)added_element;
added_xfer_pkt->data_tx_pkt =
*(struct mhi_tx_pkt *)removed_xfer_pkt;
} else if (MHI_RING_TYPE_EVENT_RING == ring_type &&
mhi_dev_ctxt->counters.m0_m3 > 0 &&
IS_HARDWARE_CHANNEL(ring_index)) {
spinlock_t *lock = NULL;
unsigned long flags = 0;
lock = &mhi_dev_ctxt->mhi_ev_spinlock_list[ring_index];
spin_lock_irqsave(lock, flags);
mhi_update_ctxt(mhi_dev_ctxt,
mhi_dev_ctxt->event_db_addr,
ring_index, db_value);
mhi_dev_ctxt->mhi_ev_db_order[ring_index] = 1;
mhi_dev_ctxt->ev_counter[ring_index]++;
spin_unlock_irqrestore(lock, flags);
}
atomic_inc(&mhi_dev_ctxt->flags.data_pending);
/* Asserting Device Wake here, will imediately wake mdm */