From 22f11c4e662ef0bdd87f09370a76c83ed738d5fd Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Thu, 16 Jun 2005 21:23:56 +0100 Subject: [PATCH] ARM: 2715/1: restore CPLD interrupts upon resume for Lubbock and Mainstone Patch from Nicolas Pitre Without this some devices fail to work again after a suspend event. Signed-off-by: Nicolas Pitre Signed-off-by: Russell King --- arch/arm/mach-pxa/mainstone.c | 31 ++++++++++++++++++++++++++++++- 1 file changed, 30 insertions(+), 1 deletion(-) (limited to 'arch/arm/mach-pxa/mainstone.c') diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c index 6823ae28ae6a..9896afca751f 100644 --- a/arch/arm/mach-pxa/mainstone.c +++ b/arch/arm/mach-pxa/mainstone.c @@ -15,6 +15,7 @@ #include #include +#include #include #include #include @@ -62,7 +63,6 @@ static struct irqchip mainstone_irq_chip = { .unmask = mainstone_unmask_irq, }; - static void mainstone_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs) { @@ -100,6 +100,35 @@ static void __init mainstone_init_irq(void) set_irq_type(IRQ_GPIO(0), IRQT_FALLING); } +#ifdef CONFIG_PM + +static int mainstone_irq_resume(struct sys_device *dev) +{ + MST_INTMSKENA = mainstone_irq_enabled; + return 0; +} + +static struct sysdev_class mainstone_irq_sysclass = { + set_kset_name("cpld_irq"), + .resume = mainstone_irq_resume, +}; + +static struct sys_device mainstone_irq_device = { + .cls = &mainstone_irq_sysclass, +}; + +static int __init mainstone_irq_device_init(void) +{ + int ret = sysdev_class_register(&mainstone_irq_sysclass); + if (ret == 0) + ret = sysdev_register(&mainstone_irq_device); + return ret; +} + +device_initcall(mainstone_irq_device_init); + +#endif + static struct resource smc91x_resources[] = { [0] = { -- cgit v1.2.3