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Commit fe45e480 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "mhi: core: notify clients whenever device flow control status changes"

parents d64acf11 45b9ae49

drivers/bus/mhi/core/mhi_dtr.c

+4 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -173,6 +173,9 @@ static void mhi_dtr_dl_xfer_cb(struct mhi_device *mhi_dev, 
	if (dtr_msg->msg & CTRL_MSG_RI)

		mhi_dev->tiocm |= TIOCM_RI;

	spin_unlock_irq(res_lock);



	/* Notify the update */

	mhi_notify(mhi_dev, MHI_CB_DTR_SIGNAL);

}



static void mhi_dtr_ul_xfer_cb(struct mhi_device *mhi_dev,

include/linux/mhi.h

+2 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ struct mhi_buf_info; 
 * enum MHI_CB - MHI callback

 * @MHI_CB_IDLE: MHI entered idle state

 * @MHI_CB_PENDING_DATA: New data available for client to process

 * @MHI_CB_DTR_SIGNAL: DTR signaling update

 * @MHI_CB_LPM_ENTER: MHI host entered low power mode

 * @MHI_CB_LPM_EXIT: MHI host about to exit low power mode

 * @MHI_CB_EE_RDDM: MHI device entered RDDM execution enviornment
@@ -36,6 +37,7 @@ struct mhi_buf_info; 
enum MHI_CB {

	MHI_CB_IDLE,

	MHI_CB_PENDING_DATA,

	MHI_CB_DTR_SIGNAL,

	MHI_CB_LPM_ENTER,

	MHI_CB_LPM_EXIT,

	MHI_CB_EE_RDDM,