diff options
Diffstat (limited to 'arch/powerpc/kernel/prom_parse.c')
| -rw-r--r-- | arch/powerpc/kernel/prom_parse.c | 84 | 
1 files changed, 0 insertions, 84 deletions
diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c index c2b7a07cc3d3..47187cc2cf00 100644 --- a/arch/powerpc/kernel/prom_parse.c +++ b/arch/powerpc/kernel/prom_parse.c @@ -2,95 +2,11 @@  #include <linux/kernel.h>  #include <linux/string.h> -#include <linux/pci_regs.h>  #include <linux/module.h>  #include <linux/ioport.h>  #include <linux/etherdevice.h>  #include <linux/of_address.h>  #include <asm/prom.h> -#include <asm/pci-bridge.h> - -#ifdef CONFIG_PCI -int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq) -{ -	struct device_node *dn, *ppnode; -	struct pci_dev *ppdev; -	u32 lspec; -	u32 laddr[3]; -	u8 pin; -	int rc; - -	/* Check if we have a device node, if yes, fallback to standard OF -	 * parsing -	 */ -	dn = pci_device_to_OF_node(pdev); -	if (dn) { -		rc = of_irq_map_one(dn, 0, out_irq); -		if (!rc) -			return rc; -	} - -	/* Ok, we don't, time to have fun. Let's start by building up an -	 * interrupt spec.  we assume #interrupt-cells is 1, which is standard -	 * for PCI. If you do different, then don't use that routine. -	 */ -	rc = pci_read_config_byte(pdev, PCI_INTERRUPT_PIN, &pin); -	if (rc != 0) -		return rc; -	/* No pin, exit */ -	if (pin == 0) -		return -ENODEV; - -	/* Now we walk up the PCI tree */ -	lspec = pin; -	for (;;) { -		/* Get the pci_dev of our parent */ -		ppdev = pdev->bus->self; - -		/* Ouch, it's a host bridge... */ -		if (ppdev == NULL) { -#ifdef CONFIG_PPC64 -			ppnode = pci_bus_to_OF_node(pdev->bus); -#else -			struct pci_controller *host; -			host = pci_bus_to_host(pdev->bus); -			ppnode = host ? host->dn : NULL; -#endif -			/* No node for host bridge ? give up */ -			if (ppnode == NULL) -				return -EINVAL; -		} else -			/* We found a P2P bridge, check if it has a node */ -			ppnode = pci_device_to_OF_node(ppdev); - -		/* Ok, we have found a parent with a device-node, hand over to -		 * the OF parsing code. -		 * We build a unit address from the linux device to be used for -		 * resolution. Note that we use the linux bus number which may -		 * not match your firmware bus numbering. -		 * Fortunately, in most cases, interrupt-map-mask doesn't include -		 * the bus number as part of the matching. -		 * You should still be careful about that though if you intend -		 * to rely on this function (you ship  a firmware that doesn't -		 * create device nodes for all PCI devices). -		 */ -		if (ppnode) -			break; - -		/* We can only get here if we hit a P2P bridge with no node, -		 * let's do standard swizzling and try again -		 */ -		lspec = pci_swizzle_interrupt_pin(pdev, lspec); -		pdev = ppdev; -	} - -	laddr[0] = (pdev->bus->number << 16) -		| (pdev->devfn << 8); -	laddr[1]  = laddr[2] = 0; -	return of_irq_map_raw(ppnode, &lspec, 1, laddr, out_irq); -} -EXPORT_SYMBOL_GPL(of_irq_map_pci); -#endif /* CONFIG_PCI */  void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop,  		unsigned long *busno, unsigned long *phys, unsigned long *size)  | 
