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author | 2015-08-04 12:17:53 -0700 | |
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committer | 2015-08-04 15:44:42 -0700 | |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/drivers/power/reset/msm-poweroff.c | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/drivers/power/reset/msm-poweroff.c')
-rw-r--r-- | kernel/drivers/power/reset/msm-poweroff.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/kernel/drivers/power/reset/msm-poweroff.c b/kernel/drivers/power/reset/msm-poweroff.c new file mode 100644 index 000000000..4702efdfe --- /dev/null +++ b/kernel/drivers/power/reset/msm-poweroff.c @@ -0,0 +1,81 @@ +/* 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; +} + +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); +} + +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; +} + +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); +} +device_initcall(msm_restart_init); |