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linux
ARM: ux500: Convert power-domain code into a regular platform driver
To make the code more standalone and moveable, let's convert it into a
platform driver.
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
+20
-27
-5
arch/arm/mach-ux500/cpu-db8500.c
-5
arch/arm/mach-ux500/cpu-db8500.c
···
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#include <asm/mach/map.h>
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#include <asm/mach/arch.h>
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#include "pm_domains.h"
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static int __init ux500_l2x0_unlock(void)
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{
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int i;
···
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static void __init u8500_init_machine(void)
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{
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/* Initialize ux500 power domains */
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ux500_pm_domains_init();
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of_platform_populate(NULL, u8500_local_bus_nodes,
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NULL, NULL);
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}
+20
-5
arch/arm/mach-ux500/pm_domains.c
+20
-5
arch/arm/mach-ux500/pm_domains.c
···
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*
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* Implements PM domains using the generic PM domain for ux500.
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*/
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#include <linux/device.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/printk.h>
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#include <linux/slab.h>
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#include <linux/err.h>
···
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#include <linux/pm_domain.h>
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#include <dt-bindings/arm/ux500_pm_domains.h>
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#include "pm_domains.h"
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static int pd_power_off(struct generic_pm_domain *domain)
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{
···
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[DOMAIN_VAPE] = &ux500_pm_domain_vape,
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};
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static const struct of_device_id ux500_pm_domain_matches[] __initconst = {
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static const struct of_device_id ux500_pm_domain_matches[] = {
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{ .compatible = "stericsson,ux500-pm-domains", },
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{ },
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};
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int __init ux500_pm_domains_init(void)
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static int ux500_pm_domains_probe(struct platform_device *pdev)
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{
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struct device_node *np;
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struct device_node *np = pdev->dev.of_node;
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struct genpd_onecell_data *genpd_data;
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int i;
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np = of_find_matching_node(NULL, ux500_pm_domain_matches);
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if (!np)
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return -ENODEV;
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···
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of_genpd_add_provider_onecell(np, genpd_data);
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return 0;
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}
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+
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static struct platform_driver ux500_pm_domains_driver = {
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.probe = ux500_pm_domains_probe,
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.driver = {
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.name = "ux500_pm_domains",
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.of_match_table = ux500_pm_domain_matches,
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},
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};
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static int __init ux500_pm_domains_init(void)
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{
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return platform_driver_register(&ux500_pm_domains_driver);
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}
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arch_initcall(ux500_pm_domains_init);
-17
arch/arm/mach-ux500/pm_domains.h
-17
arch/arm/mach-ux500/pm_domains.h
···
1
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2014 Linaro Ltd.
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*
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* Author: Ulf Hansson <ulf.hansson@linaro.org>
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*/
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#ifndef __MACH_UX500_PM_DOMAINS_H
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#define __MACH_UX500_PM_DOMAINS_H
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#ifdef CONFIG_PM_GENERIC_DOMAINS
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extern int __init ux500_pm_domains_init(void);
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#else
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static inline int ux500_pm_domains_init(void) { return 0; }
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#endif
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#endif