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Commit e21ba989 authored by Ajay Agarwal's avatar Ajay Agarwal
Browse files

diag: Add support for diagfwd via USB 



Some devices need diagfwd via USB. Add support for the same based
on USB_QCOM_DIAG_BRIDGE config option.

Change-Id: I8c5c5a5ec4d0d76fec4380241564b2973442b66a
Signed-off-by: default avatarAjay Agarwal <ajaya@codeaurora.org>
parent 10be142e

drivers/char/diag/diagchar_core.c

+7 −2
Original line number Original line Diff line number Diff line
@@ -42,6 +42,7 @@ 
#include "diag_ipc_logging.h"

#include "diag_ipc_logging.h"

#include "diagfwd_peripheral.h"

#include "diagfwd_peripheral.h"

#include "diagfwd_mhi.h"

#include "diagfwd_mhi.h"

#include "diagfwd_hsic.h"





#include <linux/coresight-stm.h>

#include <linux/coresight-stm.h>

#include <linux/kernel.h>

#include <linux/kernel.h>
@@ -4224,7 +4225,9 @@ static int __init diagchar_init(void) 
	INIT_LIST_HEAD(&driver->diag_id_list);

	INIT_LIST_HEAD(&driver->diag_id_list);

	diag_add_diag_id_to_list(DIAG_ID_APPS, "APPS", APPS_DATA, APPS_DATA);

	diag_add_diag_id_to_list(DIAG_ID_APPS, "APPS", APPS_DATA, APPS_DATA);

	pr_debug("diagchar initialized now");

	pr_debug("diagchar initialized now");

#ifdef CONFIG_DIAGFWD_BRIDGE_CODE

#if defined(CONFIG_USB_QCOM_DIAG_BRIDGE)

	diag_register_with_hsic();

#elif defined(CONFIG_MHI_BUS)

	diag_register_with_mhi();

	diag_register_with_mhi();

#endif

#endif

	return 0;

	return 0;
@@ -4254,7 +4257,9 @@ static void diagchar_exit(void) 
	diag_dci_exit();

	diag_dci_exit();

	diag_masks_exit();

	diag_masks_exit();

	diag_md_session_exit();

	diag_md_session_exit();

#ifdef CONFIG_DIAGFWD_BRIDGE_CODE

#if defined(CONFIG_USB_QCOM_DIAG_BRIDGE)

	diag_unregister_hsic();

#elif defined(CONFIG_MHI_BUS)

	diag_unregister_mhi();

	diag_unregister_mhi();

#endif

#endif

	diag_debugfs_cleanup();

	diag_debugfs_cleanup();

drivers/char/diag/diagfwd_hsic.c

+20 −2
Original line number Original line Diff line number Diff line 
/* Copyright (c) 2012-2014, 2016-2018 The Linux Foundation. All rights reserved.

/* Copyright (c) 2012-2014, 2016-2019, The Linux Foundation. All rights reserved.

 *

 *

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

 * 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

 * it under the terms of the GNU General Public License version 2 and
@@ -533,6 +533,24 @@ void diag_hsic_exit(void) 
		if (ch->hsic_wq)

		if (ch->hsic_wq)

			destroy_workqueue(ch->hsic_wq);

			destroy_workqueue(ch->hsic_wq);

	}

	}

	platform_driver_unregister(&msm_hsic_ch_driver);

}

}





void diag_register_with_hsic(void)

{

	int ret = 0;



	ret = diag_remote_init();

	if (ret)

		return;



	ret = diag_hsic_init();

	if (ret)

		diag_remote_exit();

}



void diag_unregister_hsic(void)

{

	platform_driver_unregister(&msm_hsic_ch_driver);

	diag_hsic_exit();

	diag_remote_exit();

}

drivers/char/diag/diagfwd_hsic.h

+3 −1
Original line number Original line Diff line number Diff line 
/* Copyright (c) 2012-2014, 2017-2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2012-2014, 2017-2019, The Linux Foundation. All rights reserved.

 *

 *

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

 * 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

 * it under the terms of the GNU General Public License version 2 and
@@ -52,6 +52,8 @@ extern struct diag_hsic_info diag_hsic[NUM_HSIC_DEV]; 




int diag_hsic_init(void);

int diag_hsic_init(void);

void diag_hsic_exit(void);

void diag_hsic_exit(void);

void diag_register_with_hsic(void);

void diag_unregister_hsic(void);





#endif

#endif