Merge "mhi: core: Handle write lock properly in mhi_pm_m0_transition"

	for (i = 0; i < mhi_cntrl->max_chan; i++, mhi_chan++) {

		struct mhi_ring *tre_ring = &mhi_chan->tre_ring;

		if (mhi_chan->db_cfg.reset_req) {

			write_lock_irq(&mhi_chan->lock);

		if (mhi_chan->db_cfg.reset_req)

			mhi_chan->db_cfg.db_mode = true;

			write_unlock_irq(&mhi_chan->lock);

		}

		read_lock_irq(&mhi_chan->lock);

		/* only ring DB if ring is not empty */

		if (tre_ring->base && tre_ring->wp  != tre_ring->rp)

			mhi_ring_chan_db(mhi_cntrl, mhi_chan);

		write_unlock_irq(&mhi_chan->lock);

		read_unlock_irq(&mhi_chan->lock);

	}

	mhi_cntrl->wake_put(mhi_cntrl, false);