diff options
Diffstat (limited to 'arch/sparc64/kernel/power.c')
-rw-r--r-- | arch/sparc64/kernel/power.c | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/arch/sparc64/kernel/power.c b/arch/sparc64/kernel/power.c deleted file mode 100644 index 076cad7f975..00000000000 --- a/arch/sparc64/kernel/power.c +++ /dev/null @@ -1,75 +0,0 @@ -/* power.c: Power management driver. - * - * Copyright (C) 1999, 2007, 2008 David S. Miller (davem@davemloft.net) - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/reboot.h> -#include <linux/of_device.h> - -#include <asm/prom.h> -#include <asm/io.h> - -static void __iomem *power_reg; - -static irqreturn_t power_handler(int irq, void *dev_id) -{ - orderly_poweroff(true); - - /* FIXME: Check registers for status... */ - return IRQ_HANDLED; -} - -static int __init has_button_interrupt(unsigned int irq, struct device_node *dp) -{ - if (irq == 0xffffffff) - return 0; - if (!of_find_property(dp, "button", NULL)) - return 0; - - return 1; -} - -static int __devinit power_probe(struct of_device *op, const struct of_device_id *match) -{ - struct resource *res = &op->resource[0]; - unsigned int irq= op->irqs[0]; - - power_reg = of_ioremap(res, 0, 0x4, "power"); - - printk(KERN_INFO "%s: Control reg at %lx\n", - op->node->name, res->start); - - if (has_button_interrupt(irq, op->node)) { - if (request_irq(irq, - power_handler, 0, "power", NULL) < 0) - printk(KERN_ERR "power: Cannot setup IRQ handler.\n"); - } - - return 0; -} - -static struct of_device_id __initdata power_match[] = { - { - .name = "power", - }, - {}, -}; - -static struct of_platform_driver power_driver = { - .match_table = power_match, - .probe = power_probe, - .driver = { - .name = "power", - }, -}; - -static int __init power_init(void) -{ - return of_register_driver(&power_driver, &of_platform_bus_type); -} - -device_initcall(power_init); |