cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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pm_domain.c (1073B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * PM domain driver for Keystone2 devices
      4 *
      5 * Copyright 2013 Texas Instruments, Inc.
      6 *	Santosh Shilimkar <santosh.shillimkar@ti.com>
      7 *
      8 * Based on Kevins work on DAVINCI SOCs
      9 *	Kevin Hilman <khilman@linaro.org>
     10 */
     11
     12#include <linux/init.h>
     13#include <linux/pm_runtime.h>
     14#include <linux/pm_clock.h>
     15#include <linux/platform_device.h>
     16#include <linux/of.h>
     17
     18#include "keystone.h"
     19
     20static struct dev_pm_domain keystone_pm_domain = {
     21	.ops = {
     22		USE_PM_CLK_RUNTIME_OPS
     23		USE_PLATFORM_PM_SLEEP_OPS
     24	},
     25};
     26
     27static struct pm_clk_notifier_block platform_domain_notifier = {
     28	.pm_domain = &keystone_pm_domain,
     29	.con_ids = { NULL },
     30};
     31
     32static const struct of_device_id of_keystone_table[] = {
     33	{.compatible = "ti,k2hk"},
     34	{.compatible = "ti,k2e"},
     35	{.compatible = "ti,k2l"},
     36	{ /* end of list */ },
     37};
     38
     39int __init keystone_pm_runtime_init(void)
     40{
     41	struct device_node *np;
     42
     43	np = of_find_matching_node(NULL, of_keystone_table);
     44	if (!np)
     45		return 0;
     46
     47	pm_clk_add_notifier(&platform_bus_type, &platform_domain_notifier);
     48
     49	return 0;
     50}