X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fsparc64%2Fkernel%2Fpower.c;h=699b24b890dfc5dc398e6a04ade5bf9f3a8b67c7;hb=refs%2Fheads%2Fvserver;hp=30bcaf58e3abd5dae329bc363072d9c946259bc5;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/arch/sparc64/kernel/power.c b/arch/sparc64/kernel/power.c index 30bcaf58e..699b24b89 100644 --- a/arch/sparc64/kernel/power.c +++ b/arch/sparc64/kernel/power.c @@ -4,9 +4,6 @@ * Copyright (C) 1999 David S. Miller (davem@redhat.com) */ -#define __KERNEL_SYSCALLS__ - -#include #include #include #include @@ -15,11 +12,13 @@ #include #include #include +#include #include -#include -#include #include +#include +#include +#include #include @@ -30,12 +29,13 @@ int scons_pwroff = 1; #ifdef CONFIG_PCI +#include static void __iomem *power_reg; static DECLARE_WAIT_QUEUE_HEAD(powerd_wait); static int button_pressed; -static irqreturn_t power_handler(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t power_handler(int irq, void *dev_id) { if (button_pressed == 0) { button_pressed = 1; @@ -97,7 +97,7 @@ again: /* Ok, down we go... */ button_pressed = 0; - if (execve("/sbin/shutdown", argv, envp) < 0) { + if (kernel_execve("/sbin/shutdown", argv, envp) < 0) { printk("powerd: shutdown execution failed\n"); add_wait_queue(&powerd_wait, &wait); goto again; @@ -105,87 +105,61 @@ again: return 0; } -static int __init has_button_interrupt(unsigned int irq, int prom_node) +static int __init has_button_interrupt(unsigned int irq, struct device_node *dp) { if (irq == PCI_IRQ_NONE) return 0; - if (!prom_node_has_property(prom_node, "button")) + if (!of_find_property(dp, "button", NULL)) return 0; return 1; } -static int __init power_probe_ebus(struct resource **resp, unsigned int *irq_p, int *prom_node_p) -{ - struct linux_ebus *ebus; - struct linux_ebus_device *edev; - - for_each_ebus(ebus) { - for_each_ebusdev(edev, ebus) { - if (!strcmp(edev->prom_name, "power")) { - *resp = &edev->resource[0]; - *irq_p = edev->irqs[0]; - *prom_node_p = edev->prom_node; - return 0; - } - } - } - return -ENODEV; -} - -static int __init power_probe_isa(struct resource **resp, unsigned int *irq_p, int *prom_node_p) -{ - struct sparc_isa_bridge *isa_bus; - struct sparc_isa_device *isa_dev; - - for_each_isa(isa_bus) { - for_each_isadev(isa_dev, isa_bus) { - if (!strcmp(isa_dev->prom_name, "power")) { - *resp = &isa_dev->resource; - *irq_p = isa_dev->irq; - *prom_node_p = isa_dev->prom_node; - return 0; - } - } - } - return -ENODEV; -} - -void __init power_init(void) +static int __devinit power_probe(struct of_device *op, const struct of_device_id *match) { - struct resource *res = NULL; - unsigned int irq; - int prom_node; - static int invoked; + struct resource *res = &op->resource[0]; + unsigned int irq= op->irqs[0]; - if (invoked) - return; - invoked = 1; + power_reg = of_ioremap(res, 0, 0x4, "power"); - if (!power_probe_ebus(&res, &irq, &prom_node)) - goto found; + printk("%s: Control reg at %lx ... ", + op->node->name, res->start); - if (!power_probe_isa(&res, &irq, &prom_node)) - goto found; - - return; - -found: - power_reg = ioremap(res->start, 0x4); - printk("power: Control reg at %p ... ", power_reg); poweroff_method = machine_halt; /* able to use the standard halt */ - if (has_button_interrupt(irq, prom_node)) { + + if (has_button_interrupt(irq, op->node)) { if (kernel_thread(powerd, NULL, CLONE_FS) < 0) { printk("Failed to start power daemon.\n"); - return; + return 0; } printk("powerd running.\n"); if (request_irq(irq, - power_handler, SA_SHIRQ, "power", NULL) < 0) + power_handler, 0, "power", NULL) < 0) printk("power: Error, cannot register IRQ handler.\n"); } else { printk("not using powerd.\n"); } + + return 0; +} + +static struct of_device_id power_match[] = { + { + .name = "power", + }, + {}, +}; + +static struct of_platform_driver power_driver = { + .name = "power", + .match_table = power_match, + .probe = power_probe, +}; + +void __init power_init(void) +{ + of_register_driver(&power_driver, &of_bus_type); + return; } #endif /* CONFIG_PCI */