mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
synced 2025-01-10 15:58:47 +00:00
e92bb16674
The machines array in cpufreq-dt-platdev is used only once at boot time and so should be marked with __initconst, so that kernel can free up memory used for it, if required. Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
/*
|
|
* Copyright (C) 2016 Linaro.
|
|
* Viresh Kumar <viresh.kumar@linaro.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#include <linux/err.h>
|
|
#include <linux/of.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
static const struct of_device_id machines[] __initconst = {
|
|
{ .compatible = "samsung,exynos3250", },
|
|
{ .compatible = "samsung,exynos4210", },
|
|
{ .compatible = "samsung,exynos4212", },
|
|
{ .compatible = "samsung,exynos4412", },
|
|
{ .compatible = "samsung,exynos5250", },
|
|
#ifndef CONFIG_BL_SWITCHER
|
|
{ .compatible = "samsung,exynos5420", },
|
|
{ .compatible = "samsung,exynos5800", },
|
|
#endif
|
|
};
|
|
|
|
static int __init cpufreq_dt_platdev_init(void)
|
|
{
|
|
struct device_node *np = of_find_node_by_path("/");
|
|
|
|
if (!np)
|
|
return -ENODEV;
|
|
|
|
if (!of_match_node(machines, np))
|
|
return -ENODEV;
|
|
|
|
of_node_put(of_root);
|
|
|
|
return PTR_ERR_OR_ZERO(platform_device_register_simple("cpufreq-dt", -1,
|
|
NULL, 0));
|
|
}
|
|
device_initcall(cpufreq_dt_platdev_init);
|