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-rw-r--r--arch/alpha/kernel/pci.c26
1 files changed, 1 insertions, 25 deletions
diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c
index c9ab94ee1ca8..f3cae275d3f5 100644
--- a/arch/alpha/kernel/pci.c
+++ b/arch/alpha/kernel/pci.c
@@ -508,30 +508,7 @@ sys_pciconfig_iobase(long which, unsigned long bus, unsigned long dfn)
508 return -EOPNOTSUPP; 508 return -EOPNOTSUPP;
509} 509}
510 510
511/* Create an __iomem token from a PCI BAR. Copied from lib/iomap.c with 511/* Destroy an __iomem token. Not copied from lib/iomap.c. */
512 no changes, since we don't want the other things in that object file. */
513
514void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
515{
516 resource_size_t start = pci_resource_start(dev, bar);
517 resource_size_t len = pci_resource_len(dev, bar);
518 unsigned long flags = pci_resource_flags(dev, bar);
519
520 if (!len || !start)
521 return NULL;
522 if (maxlen && len > maxlen)
523 len = maxlen;
524 if (flags & IORESOURCE_IO)
525 return ioport_map(start, len);
526 if (flags & IORESOURCE_MEM) {
527 /* Not checking IORESOURCE_CACHEABLE because alpha does
528 not distinguish between ioremap and ioremap_nocache. */
529 return ioremap(start, len);
530 }
531 return NULL;
532}
533
534/* Destroy that token. Not copied from lib/iomap.c. */
535 512
536void pci_iounmap(struct pci_dev *dev, void __iomem * addr) 513void pci_iounmap(struct pci_dev *dev, void __iomem * addr)
537{ 514{
@@ -539,7 +516,6 @@ void pci_iounmap(struct pci_dev *dev, void __iomem * addr)
539 iounmap(addr); 516 iounmap(addr);
540} 517}
541 518
542EXPORT_SYMBOL(pci_iomap);
543EXPORT_SYMBOL(pci_iounmap); 519EXPORT_SYMBOL(pci_iounmap);
544 520
545/* FIXME: Some boxes have multiple ISA bridges! */ 521/* FIXME: Some boxes have multiple ISA bridges! */