diff options
| author | Rafael J. Wysocki | 2011-03-12 22:16:51 +0100 |
|---|---|---|
| committer | Len Brown | 2011-03-18 18:22:21 -0400 |
| commit | c3146df2b735912eddd1d7c080c9377d5df0ae94 (patch) | |
| tree | 536c3fafb022351d29dfa08c5ea5fc5585fb6033 /drivers/acpi | |
| parent | 4d3fbff26c8e91474e30e575c2b7476be11afd83 (diff) | |
ACPI: Use syscore_ops instead of sysdev class and sysdev
ACPI uses a sysdev class and a sysdev for executing
irqrouter_resume() before turning on interrupts on the boot CPU.
However, since irqrouter_resume() ignores its argument, the entire
mechanism may be replaced with a struct syscore_ops object which
is considerably simpler.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/pci_link.c | 30 |
1 files changed, 8 insertions, 22 deletions
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index 9ff80a7e9f6a..4a29763b8eb4 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -29,7 +29,7 @@ * for IRQ management (e.g. start()->_SRS). */ -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -757,14 +757,13 @@ static int acpi_pci_link_resume(struct acpi_pci_link *link) return 0; } -static int irqrouter_resume(struct sys_device *dev) +static void irqrouter_resume(void) { struct acpi_pci_link *link; list_for_each_entry(link, &acpi_link_list, list) { acpi_pci_link_resume(link); } - return 0; } static int acpi_pci_link_remove(struct acpi_device *device, int type) @@ -871,32 +870,19 @@ static int __init acpi_irq_balance_set(char *str) __setup("acpi_irq_balance", acpi_irq_balance_set); -/* FIXME: we will remove this interface after all drivers call pci_disable_device */ -static struct sysdev_class irqrouter_sysdev_class = { - .name = "irqrouter", +static struct syscore_ops irqrouter_syscore_ops = { .resume = irqrouter_resume, }; -static struct sys_device device_irqrouter = { - .id = 0, - .cls = &irqrouter_sysdev_class, -}; - -static int __init irqrouter_init_sysfs(void) +static int __init irqrouter_init_ops(void) { - int error; + if (!acpi_disabled && !acpi_noirq) + register_syscore_ops(&irqrouter_syscore_ops); - if (acpi_disabled || acpi_noirq) - return 0; - - error = sysdev_class_register(&irqrouter_sysdev_class); - if (!error) - error = sysdev_register(&device_irqrouter); - - return error; + return 0; } -device_initcall(irqrouter_init_sysfs); +device_initcall(irqrouter_init_ops); static int __init acpi_pci_link_init(void) { |