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Commit dafa5317 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 2e2685a9 4018bcbb

drivers/bus/mhi/core/mhi_dtr.c

+4 −1
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

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

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



#include <linux/debugfs.h>

#include <linux/device.h>
@@ -164,6 +164,9 @@ 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,

drivers/platform/msm/ipa/ipa_v3/ipa_mpm.c

+1 −0
Original line number Diff line number Diff line
@@ -2420,6 +2420,7 @@ static void ipa_mpm_mhi_status_cb(struct mhi_device *mhi_dev, 
	case MHI_CB_SYS_ERROR:

	case MHI_CB_FATAL_ERROR:

	case MHI_CB_EE_MISSION_MODE:

	case MHI_CB_DTR_SIGNAL:

		IPA_MPM_ERR("unexpected event %d\n", mhi_cb);

		break;

	}

include/linux/mhi.h

+2 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 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
@@ -27,6 +28,7 @@ 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,