diff options
Diffstat (limited to 'arch/arm/mach-s5p64x0/irq-pm.c')
-rw-r--r-- | arch/arm/mach-s5p64x0/irq-pm.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/arch/arm/mach-s5p64x0/irq-pm.c b/arch/arm/mach-s5p64x0/irq-pm.c deleted file mode 100644 index 2ed921e095dc..000000000000 --- a/arch/arm/mach-s5p64x0/irq-pm.c +++ /dev/null @@ -1,98 +0,0 @@ -/* linux/arch/arm/mach-s5p64x0/irq-pm.c - * - * Copyright (c) 2011 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * S5P64X0 - Interrupt handling Power Management - * - * Based on arch/arm/mach-s3c64xx/irq-pm.c by Ben Dooks - * - * 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/syscore_ops.h> -#include <linux/serial_core.h> -#include <linux/serial_s3c.h> -#include <linux/io.h> - -#include <plat/pm.h> - -#include <mach/regs-gpio.h> - -static struct sleep_save irq_save[] = { - SAVE_ITEM(S5P64X0_EINT0CON0), - SAVE_ITEM(S5P64X0_EINT0FLTCON0), - SAVE_ITEM(S5P64X0_EINT0FLTCON1), - SAVE_ITEM(S5P64X0_EINT0MASK), -}; - -static struct irq_grp_save { - u32 con; - u32 fltcon; - u32 mask; -} eint_grp_save[4]; - -#ifdef CONFIG_SERIAL_SAMSUNG -static u32 irq_uart_mask[CONFIG_SERIAL_SAMSUNG_UARTS]; -#endif - -static int s5p64x0_irq_pm_suspend(void) -{ - struct irq_grp_save *grp = eint_grp_save; - int i; - - S3C_PMDBG("%s: suspending IRQs\n", __func__); - - s3c_pm_do_save(irq_save, ARRAY_SIZE(irq_save)); - -#ifdef CONFIG_SERIAL_SAMSUNG - for (i = 0; i < CONFIG_SERIAL_SAMSUNG_UARTS; i++) - irq_uart_mask[i] = __raw_readl(S3C_VA_UARTx(i) + S3C64XX_UINTM); -#endif - - for (i = 0; i < ARRAY_SIZE(eint_grp_save); i++, grp++) { - grp->con = __raw_readl(S5P64X0_EINT12CON + (i * 4)); - grp->mask = __raw_readl(S5P64X0_EINT12MASK + (i * 4)); - grp->fltcon = __raw_readl(S5P64X0_EINT12FLTCON + (i * 4)); - } - - return 0; -} - -static void s5p64x0_irq_pm_resume(void) -{ - struct irq_grp_save *grp = eint_grp_save; - int i; - - S3C_PMDBG("%s: resuming IRQs\n", __func__); - - s3c_pm_do_restore(irq_save, ARRAY_SIZE(irq_save)); - -#ifdef CONFIG_SERIAL_SAMSUNG - for (i = 0; i < CONFIG_SERIAL_SAMSUNG_UARTS; i++) - __raw_writel(irq_uart_mask[i], S3C_VA_UARTx(i) + S3C64XX_UINTM); -#endif - - for (i = 0; i < ARRAY_SIZE(eint_grp_save); i++, grp++) { - __raw_writel(grp->con, S5P64X0_EINT12CON + (i * 4)); - __raw_writel(grp->mask, S5P64X0_EINT12MASK + (i * 4)); - __raw_writel(grp->fltcon, S5P64X0_EINT12FLTCON + (i * 4)); - } - - S3C_PMDBG("%s: IRQ configuration restored\n", __func__); -} - -static struct syscore_ops s5p64x0_irq_syscore_ops = { - .suspend = s5p64x0_irq_pm_suspend, - .resume = s5p64x0_irq_pm_resume, -}; - -static int __init s5p64x0_syscore_init(void) -{ - register_syscore_ops(&s5p64x0_irq_syscore_ops); - - return 0; -} -core_initcall(s5p64x0_syscore_init); |