cregit-Linux how code gets into the kernel

Release 4.7 drivers/power/reset/msm-poweroff.c

/* Copyright (c) 2013, 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
 * only version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */

#include <linux/delay.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/module.h>
#include <linux/reboot.h>
#include <linux/pm.h>


static void __iomem *msm_ps_hold;

static int do_msm_restart(struct notifier_block *nb, unsigned long action, void *data) { writel(0, msm_ps_hold); mdelay(10000); return NOTIFY_DONE; }

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static struct notifier_block restart_nb = { .notifier_call = do_msm_restart, .priority = 128, };
static void do_msm_poweroff(void) { /* TODO: Add poweroff capability */ do_msm_restart(&restart_nb, 0, NULL); }

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abhimanyu kapurabhimanyu kapur1578.95%150.00%
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static int msm_restart_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct resource *mem; mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); msm_ps_hold = devm_ioremap_resource(dev, mem); if (IS_ERR(msm_ps_hold)) return PTR_ERR(msm_ps_hold); register_restart_handler(&restart_nb); pm_power_off = do_msm_poweroff; return 0; }

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abhimanyu kapurabhimanyu kapur6691.67%150.00%
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static const struct of_device_id of_msm_restart_match[] = { { .compatible = "qcom,pshold", }, {}, }; MODULE_DEVICE_TABLE(of, of_msm_restart_match); static struct platform_driver msm_restart_driver = { .probe = msm_restart_probe, .driver = { .name = "msm-restart", .of_match_table = of_match_ptr(of_msm_restart_match), }, };
static int __init msm_restart_init(void) { return platform_driver_register(&msm_restart_driver); }

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device_initcall(msm_restart_init);

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abhimanyu kapurabhimanyu kapur21383.53%150.00%
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