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Commit eab90291 authored by Michael S. Tsirkin's avatar Michael S. Tsirkin
Browse files

mips: switch to GENERIC_PCI_IOMAP 



mips copied pci_iomap from generic code, probably to avoid
pulling the rest of iomap.c in.  Since that's in
a separate file now, we can reuse the common implementation.

Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 1b34d160

arch/mips/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -2317,6 +2317,7 @@ config PCI 
	bool "Support for PCI controller"

	depends on HW_HAS_PCI

	select PCI_DOMAINS

	select GENERIC_PCI_IOMAP

	help

	  Find out whether you have a PCI motherboard. PCI is the name of a

	  bus system, i.e. the way the CPU talks to the other stuff inside

arch/mips/lib/iomap-pci.c

+0 −26
Original line number Diff line number Diff line
@@ -40,32 +40,6 @@ static void __iomem *ioport_map_pci(struct pci_dev *dev, 
	return (void __iomem *) (ctrl->io_map_base + port);

}



/*

 * Create a virtual mapping cookie for a PCI BAR (memory or IO)

 */

void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)

{

	resource_size_t start = pci_resource_start(dev, bar);

	resource_size_t len = pci_resource_len(dev, bar);

	unsigned long flags = pci_resource_flags(dev, bar);



	if (!len || !start)

		return NULL;

	if (maxlen && len > maxlen)

		len = maxlen;

	if (flags & IORESOURCE_IO)

		return ioport_map_pci(dev, start, len);

	if (flags & IORESOURCE_MEM) {

		if (flags & IORESOURCE_CACHEABLE)

			return ioremap(start, len);

		return ioremap_nocache(start, len);

	}

	/* What? */

	return NULL;

}



EXPORT_SYMBOL(pci_iomap);



void pci_iounmap(struct pci_dev *dev, void __iomem * addr)

{

	iounmap(addr);