Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 2d83dfa6 authored by Avaneesh Kumar Dwivedi's avatar Avaneesh Kumar Dwivedi Committed by Gerrit - the friendly Code Review server
Browse files

soc: qcom: ssr: Force shutdown of modem during adb reboot 



Modem may need to do certain housekeeping during user initiated
reboot, hence invoke modem force shutdown during system reboot.

Change-Id: I1fc53b4bc32a9ef172b9e87fc41c73c990a7c6b4
Signed-off-by: default avatarAvaneesh Kumar Dwivedi <akdwived@codeaurora.org>
parent cc339a2a

drivers/soc/qcom/subsystem_restart.c

+33 −2
Original line number Diff line number Diff line 
/* Copyright (c) 2011-2015, The Linux Foundation. All rights reserved.

/* Copyright (c) 2011-2016, 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
@@ -33,6 +33,7 @@ 
#include <linux/of_gpio.h>

#include <linux/cdev.h>

#include <linux/platform_device.h>

#include <linux/reboot.h>

#include <soc/qcom/subsystem_restart.h>

#include <soc/qcom/subsystem_notif.h>

#include <soc/qcom/socinfo.h>
@@ -1766,6 +1767,32 @@ static struct notifier_block panic_nb = { 
	.notifier_call  = ssr_panic_handler,

};



static int subsys_reboot(struct device *dev, void *data)

{

	struct subsys_device *subsys = to_subsys(dev);



	if (subsys->desc->err_ready_irq)

		disable_irq(subsys->desc->err_ready_irq);

	if (subsys->desc->err_fatal_irq)

		disable_irq(subsys->desc->err_fatal_irq);

	if (subsys->desc->crash_shutdown)

		subsys->desc->crash_shutdown(subsys->desc);

	return 0;

}



static int ssr_reboot_handler(struct notifier_block *this,

				unsigned long event, void *ptr)

{

	bus_for_each_dev(&subsys_bus_type, NULL, NULL, subsys_reboot);

	return NOTIFY_DONE;

}



static struct notifier_block ssr_reboot_notifier = {

	ssr_reboot_handler,

	NULL,

	0

};



static int __init subsys_restart_init(void)

{

	int ret;
@@ -1791,7 +1818,11 @@ static int __init subsys_restart_init(void) 
			&panic_nb);

	if (ret)

		goto err_soc;



	ret = register_reboot_notifier(&ssr_reboot_notifier);

	if (ret) {

		pr_err("Failed to register reboot notifier\n");

		return ret;

	}

	return 0;



err_soc: