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Commit 3f8b9753 authored by qctecmdr Service's avatar qctecmdr Service Committed by Gerrit - the friendly Code Review server
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Merge "mhi: dev: uci: trigger a wake-up event if MHI device is wake capable"

parents 0acdc2d7 ea655014

drivers/bus/mhi/core/mhi_init.c

+2 −0
Original line number Diff line number Diff line
@@ -989,6 +989,8 @@ static int of_parse_ch_cfg(struct mhi_controller *mhi_cntrl, 
							    "mhi,auto-queue");

		mhi_chan->auto_start = of_property_read_bool(child,

							     "mhi,auto-start");

		mhi_chan->wake_capable = of_property_read_bool(child,

							"mhi,wake-capable");



		if (mhi_chan->pre_alloc &&

		    (mhi_chan->dir != DMA_FROM_DEVICE ||

drivers/bus/mhi/core/mhi_internal.h

+1 −0
Original line number Diff line number Diff line
@@ -594,6 +594,7 @@ struct mhi_chan { 
	bool offload_ch;

	bool pre_alloc;

	bool auto_start;

	bool wake_capable; /* channel should wake up system */

	/* functions that generate the transfer ring elements */

	int (*gen_tre)(struct mhi_controller *, struct mhi_chan *, void *,

		       void *, size_t, enum MHI_FLAGS);

drivers/bus/mhi/core/mhi_main.c

+4 −0
Original line number Diff line number Diff line
@@ -780,6 +780,10 @@ void mhi_create_devices(struct mhi_controller *mhi_cntrl) 
		/* add if there is a matching DT node */

		mhi_assign_of_node(mhi_cntrl, mhi_dev);



		/* init wake source */

		if (mhi_dev->dl_chan && mhi_dev->dl_chan->wake_capable)

			device_init_wakeup(&mhi_dev->dev, true);



		ret = device_add(&mhi_dev->dev);

		if (ret) {

			MHI_ERR("Failed to register dev for  chan:%s\n",

drivers/bus/mhi/devices/mhi_uci.c

+3 −0
Original line number Diff line number Diff line
@@ -649,6 +649,9 @@ static void mhi_dl_xfer_cb(struct mhi_device *mhi_dev, 
	list_add_tail(&buf->node, &uci_chan->pending);

	spin_unlock_irqrestore(&uci_chan->lock, flags);



	if (mhi_dev->dev.power.wakeup)

		__pm_wakeup_event(mhi_dev->dev.power.wakeup, 0);



	wake_up(&uci_chan->wq);

}