diff options
Diffstat (limited to 'arch/arm/mach-s3c/irq-pm-s3c24xx.c')
-rw-r--r-- | arch/arm/mach-s3c/irq-pm-s3c24xx.c | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/arch/arm/mach-s3c/irq-pm-s3c24xx.c b/arch/arm/mach-s3c/irq-pm-s3c24xx.c deleted file mode 100644 index 55f41135ad70..000000000000 --- a/arch/arm/mach-s3c/irq-pm-s3c24xx.c +++ /dev/null @@ -1,115 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -// -// Copyright (c) 2003-2004 Simtec Electronics -// Ben Dooks <ben@simtec.co.uk> -// http://armlinux.simtec.co.uk/ -// -// S3C24XX - IRQ PM code - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/syscore_ops.h> -#include <linux/io.h> - -#include "cpu.h" -#include "pm.h" -#include "map-base.h" -#include "map-s3c.h" - -#include "regs-irq.h" -#include "regs-gpio.h" -#include "pm-core.h" - -#include <asm/irq.h> - -int s3c_irq_wake(struct irq_data *data, unsigned int state) -{ - unsigned long irqbit = 1 << data->hwirq; - - if (!(s3c_irqwake_intallow & irqbit)) - return -ENOENT; - - pr_info("wake %s for hwirq %lu\n", - state ? "enabled" : "disabled", data->hwirq); - - if (!state) - s3c_irqwake_intmask |= irqbit; - else - s3c_irqwake_intmask &= ~irqbit; - - return 0; -} - -static struct sleep_save irq_save[] = { - SAVE_ITEM(S3C2410_INTMSK), - SAVE_ITEM(S3C2410_INTSUBMSK), -}; - -/* the extint values move between the s3c2410/s3c2440 and the s3c2412 - * so we use an array to hold them, and to calculate the address of - * the register at run-time -*/ - -static unsigned long save_extint[3]; -static unsigned long save_eintflt[4]; -static unsigned long save_eintmask; - -static int s3c24xx_irq_suspend(void) -{ - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(save_extint); i++) - save_extint[i] = __raw_readl(S3C24XX_EXTINT0 + (i*4)); - - for (i = 0; i < ARRAY_SIZE(save_eintflt); i++) - save_eintflt[i] = __raw_readl(S3C24XX_EINFLT0 + (i*4)); - - s3c_pm_do_save(irq_save, ARRAY_SIZE(irq_save)); - save_eintmask = __raw_readl(S3C24XX_EINTMASK); - - return 0; -} - -static void s3c24xx_irq_resume(void) -{ - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(save_extint); i++) - __raw_writel(save_extint[i], S3C24XX_EXTINT0 + (i*4)); - - for (i = 0; i < ARRAY_SIZE(save_eintflt); i++) - __raw_writel(save_eintflt[i], S3C24XX_EINFLT0 + (i*4)); - - s3c_pm_do_restore(irq_save, ARRAY_SIZE(irq_save)); - __raw_writel(save_eintmask, S3C24XX_EINTMASK); -} - -struct syscore_ops s3c24xx_irq_syscore_ops = { - .suspend = s3c24xx_irq_suspend, - .resume = s3c24xx_irq_resume, -}; - -#ifdef CONFIG_CPU_S3C2416 -static struct sleep_save s3c2416_irq_save[] = { - SAVE_ITEM(S3C2416_INTMSK2), -}; - -static int s3c2416_irq_suspend(void) -{ - s3c_pm_do_save(s3c2416_irq_save, ARRAY_SIZE(s3c2416_irq_save)); - - return 0; -} - -static void s3c2416_irq_resume(void) -{ - s3c_pm_do_restore(s3c2416_irq_save, ARRAY_SIZE(s3c2416_irq_save)); -} - -struct syscore_ops s3c2416_irq_syscore_ops = { - .suspend = s3c2416_irq_suspend, - .resume = s3c2416_irq_resume, -}; -#endif |