From 2eaa03b5bebd1e80014f780d7bf27c3e66daefd6 Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Fri, 22 Apr 2011 22:03:11 +0200 Subject: ARM / PXA: Use struct syscore_ops for "core" power management Replace sysdev classes and struct sys_device objects used for "core" power management by the PXA platform code with struct syscore_ops objects that are simpler. This reduces the code size and the kernel memory footprint. It also is necessary for removing sysdevs entirely from the kernel in the future. Signed-off-by: Rafael J. Wysocki Acked-by: Greg Kroah-Hartman --- arch/arm/mach-pxa/mainstone.c | 22 ++++++---------------- 1 file changed, 6 insertions(+), 16 deletions(-) (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 95163baca29e..3479e2b3b511 100644 --- a/arch/arm/mach-pxa/mainstone.c +++ b/arch/arm/mach-pxa/mainstone.c @@ -15,7 +15,7 @@ #include #include -#include +#include #include #include #include @@ -185,31 +185,21 @@ static void __init mainstone_init_irq(void) #ifdef CONFIG_PM -static int mainstone_irq_resume(struct sys_device *dev) +static void mainstone_irq_resume(void) { MST_INTMSKENA = mainstone_irq_enabled; - return 0; } -static struct sysdev_class mainstone_irq_sysclass = { - .name = "cpld_irq", +static struct syscore_ops mainstone_irq_syscore_ops = { .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 = -ENODEV; + if (machine_is_mainstone()) + register_syscore_ops(&mainstone_irq_syscore_ops); - if (machine_is_mainstone()) { - ret = sysdev_class_register(&mainstone_irq_sysclass); - if (ret == 0) - ret = sysdev_register(&mainstone_irq_device); - } - return ret; + return 0; } device_initcall(mainstone_irq_device_init); -- cgit v1.2.3