1 files changed, 0 insertions, 157 deletions
diff --git a/arch/mips/loongson64/common/pm.c b/arch/mips/loongson64/common/pm.c
deleted file mode 100644
index b8aed878d912..000000000000
--- a/arch/mips/loongson64/common/pm.c
+++ /dev/null
@@ -1,157 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * loongson-specific suspend support
- *
- *  Copyright (C) 2009 Lemote Inc.
- *  Author: Wu Zhangjin <wuzhangjin@gmail.com>
- */
-#include <linux/suspend.h>
-#include <linux/interrupt.h>
-#include <linux/pm.h>
-
-#include <asm/i8259.h>
-#include <asm/mipsregs.h>
-
-#include <loongson.h>
-
-static unsigned int __maybe_unused cached_master_mask;	/* i8259A */
-static unsigned int __maybe_unused cached_slave_mask;
-static unsigned int __maybe_unused cached_bonito_irq_mask; /* bonito */
-
-void arch_suspend_disable_irqs(void)
-{
-	/* disable all mips events */
-	local_irq_disable();
-
-#ifdef CONFIG_I8259
-	/* disable all events of i8259A */
-	cached_slave_mask = inb(PIC_SLAVE_IMR);
-	cached_master_mask = inb(PIC_MASTER_IMR);
-
-	outb(0xff, PIC_SLAVE_IMR);
-	inb(PIC_SLAVE_IMR);
-	outb(0xff, PIC_MASTER_IMR);
-	inb(PIC_MASTER_IMR);
-#endif
-	/* disable all events of bonito */
-	cached_bonito_irq_mask = LOONGSON_INTEN;
-	LOONGSON_INTENCLR = 0xffff;
-	(void)LOONGSON_INTENCLR;
-}
-
-void arch_suspend_enable_irqs(void)
-{
-	/* enable all mips events */
-	local_irq_enable();
-#ifdef CONFIG_I8259
-	/* only enable the cached events of i8259A */
-	outb(cached_slave_mask, PIC_SLAVE_IMR);
-	outb(cached_master_mask, PIC_MASTER_IMR);
-#endif
-	/* enable all cached events of bonito */
-	LOONGSON_INTENSET = cached_bonito_irq_mask;
-	(void)LOONGSON_INTENSET;
-}
-
-/*
- * Setup the board-specific events for waking up loongson from wait mode
- */
-void __weak setup_wakeup_events(void)
-{
-}
-
-/*
- * Check wakeup events
- */
-int __weak wakeup_loongson(void)
-{
-	return 1;
-}
-
-/*
- * If the events are really what we want to wakeup the CPU, wake it up
- * otherwise put the CPU asleep again.
- */
-static void wait_for_wakeup_events(void)
-{
-	while (!wakeup_loongson())
-		LOONGSON_CHIPCFG(0) &= ~0x7;
-}
-
-/*
- * Stop all perf counters
- *
- * $24 is the control register of Loongson perf counter
- */
-static inline void stop_perf_counters(void)
-{
-	__write_64bit_c0_register($24, 0, 0);
-}
-
-
-static void loongson_suspend_enter(void)
-{
-	static unsigned int cached_cpu_freq;
-
-	/* setup wakeup events via enabling the IRQs */
-	setup_wakeup_events();
-
-	stop_perf_counters();
-
-	cached_cpu_freq = LOONGSON_CHIPCFG(0);
-
-	/* Put CPU into wait mode */
-	LOONGSON_CHIPCFG(0) &= ~0x7;
-
-	/* wait for the given events to wakeup cpu from wait mode */
-	wait_for_wakeup_events();
-
-	LOONGSON_CHIPCFG(0) = cached_cpu_freq;
-	mmiowb();
-}
-
-void __weak mach_suspend(void)
-{
-}
-
-void __weak mach_resume(void)
-{
-}
-
-static int loongson_pm_enter(suspend_state_t state)
-{
-	mach_suspend();
-
-	/* processor specific suspend */
-	loongson_suspend_enter();
-
-	mach_resume();
-
-	return 0;
-}
-
-static int loongson_pm_valid_state(suspend_state_t state)
-{
-	switch (state) {
-	case PM_SUSPEND_ON:
-	case PM_SUSPEND_STANDBY:
-	case PM_SUSPEND_MEM:
-		return 1;
-
-	default:
-		return 0;
-	}
-}
-
-static const struct platform_suspend_ops loongson_pm_ops = {
-	.valid	= loongson_pm_valid_state,
-	.enter	= loongson_pm_enter,
-};
-
-static int __init loongson_pm_init(void)
-{
-	suspend_set_ops(&loongson_pm_ops);
-
-	return 0;
-}
-arch_initcall(loongson_pm_init);