static int apc_probe(struct platform_device *op)
{
	int err;

	regs = of_ioremap(&op->resource[0], 0,
			  resource_size(&op->resource[0]), APC_OBPNAME);
	if (!regs) {
		printk(KERN_ERR "%s: unable to map registers\n", APC_DEVNAME);
		return -ENODEV;
	}

	err = misc_register(&apc_miscdev);
	if (err) {
		printk(KERN_ERR "%s: unable to register device\n", APC_DEVNAME);
		apc_free(op);
		return -ENODEV;
	}

	/* Assign power management IDLE handler */
	if (!apc_no_idle)
		sparc_idle = apc_swift_idle;

	printk(KERN_INFO "%s: power management initialized%s\n", 
	       APC_DEVNAME, apc_no_idle ? " (CPU idle disabled)" : "");

	return 0;
}
Beispiel #2
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static int __init apc_probe(void)
{
	struct sbus_bus *sbus = NULL;
	struct sbus_dev *sdev = NULL;
	int iTmp = 0;

	for_each_sbus(sbus) {
		for_each_sbusdev(sdev, sbus) {
			if (!strcmp(sdev->prom_name, APC_OBPNAME)) {
				goto sbus_done;
			}
		}
	}

sbus_done:
	if (!sdev) {
		return -ENODEV;
	}

	apc_regsize = sdev->reg_addrs[0].reg_size;
	regs = sbus_ioremap(&sdev->resource[0], 0, 
				   apc_regsize, APC_OBPNAME);
	if(!regs) {
		printk(KERN_ERR "%s: unable to map registers\n", APC_DEVNAME);
		return -ENODEV;
	}

	iTmp = misc_register(&apc_miscdev);
	if (iTmp != 0) {
		printk(KERN_ERR "%s: unable to register device\n", APC_DEVNAME);
		apc_free();
		return -ENODEV;
	}

	/* Assign power management IDLE handler */
	if(!apc_no_idle)
		pm_idle = apc_swift_idle;	

	printk(KERN_INFO "%s: power management initialized%s\n", 
		APC_DEVNAME, apc_no_idle ? " (CPU idle disabled)" : "");
	return 0;
}