diff options
| author | Nicolas Pitre <nico@org.rmk.(none)> | 2005-06-16 21:23:56 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2005-06-16 21:23:56 +0100 |
| commit | 22f11c4e662ef0bdd87f09370a76c83ed738d5fd (patch) | |
| tree | 3b3c2df768eacbd59240cd4be8d9922ab4a0ba7d /arch/arm/mach-pxa/mainstone.c | |
| parent | 95220a2ea334b5ff2168cc9bf31c0e08b29bae21 (diff) | |
[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 <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-pxa/mainstone.c')
| -rw-r--r-- | arch/arm/mach-pxa/mainstone.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c index 6823ae28ae6..9896afca751 100644 --- a/arch/arm/mach-pxa/mainstone.c +++ b/arch/arm/mach-pxa/mainstone.c @@ -15,6 +15,7 @@ #include <linux/init.h> #include <linux/device.h> +#include <linux/sysdev.h> #include <linux/interrupt.h> #include <linux/sched.h> #include <linux/bitops.h> @@ -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] = { |