diff options
author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-03-22 11:17:26 +0000 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-03-22 11:17:26 +0000 |
commit | f9b44121b34174ae4f243a568393fc3225842e75 (patch) | |
tree | 943f68cd7458d08a9e8809ed0a10b71b23911f3e /arch/microblaze/pci/iomap.c | |
parent | 8727b909bb2348d29e62c599cd7a5d610da3760f (diff) | |
parent | 220bf991b0366cc50a94feede3d7341fa5710ee4 (diff) |
Merge commit 'v2.6.34-rc2' into for-2.6.34
Diffstat (limited to 'arch/microblaze/pci/iomap.c')
-rw-r--r-- | arch/microblaze/pci/iomap.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/microblaze/pci/iomap.c b/arch/microblaze/pci/iomap.c new file mode 100644 index 000000000000..3fbf16f4e16c --- /dev/null +++ b/arch/microblaze/pci/iomap.c @@ -0,0 +1,39 @@ +/* + * ppc64 "iomap" interface implementation. + * + * (C) Copyright 2004 Linus Torvalds + */ +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/mm.h> +#include <asm/io.h> +#include <asm/pci-bridge.h> + +void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max) +{ + 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) + return NULL; + if (max && len > max) + len = max; + if (flags & IORESOURCE_IO) + return ioport_map(start, len); + if (flags & IORESOURCE_MEM) + return ioremap(start, len); + /* What? */ + return NULL; +} +EXPORT_SYMBOL(pci_iomap); + +void pci_iounmap(struct pci_dev *dev, void __iomem *addr) +{ + if (isa_vaddr_is_ioport(addr)) + return; + if (pcibios_vaddr_is_ioport(addr)) + return; + iounmap(addr); +} +EXPORT_SYMBOL(pci_iounmap); |