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authorvenkatesh.pallipadi@intel.com <venkatesh.pallipadi@intel.com>2008-03-19 03:00:24 +0300
committerIngo Molnar <mingo@elte.hu>2008-04-25 01:40:47 +0400
commit1526a756fba5b1f2eb5001b8e8de2a0ea1bd2c66 (patch)
tree618dce79ec7c24b1f85c9d63a9b8db58ed4bc981 /include/asm-generic
parent1f56cf1c58c81f7ecf16f5e99ac4a333d9dc9aea (diff)
downloadlinux-1526a756fba5b1f2eb5001b8e8de2a0ea1bd2c66.tar.xz
generic: add ioremap_wc() interface wrapper
x86 has ioremap_wc for wc remap. Also introduce a generic ioremap_wc aliased to ioremap_uc so that drivers can use this interface transparently. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-generic')
-rw-r--r--include/asm-generic/iomap.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-generic/iomap.h b/include/asm-generic/iomap.h
index 67dc84cd1343..76b0cc5637f8 100644
--- a/include/asm-generic/iomap.h
+++ b/include/asm-generic/iomap.h
@@ -60,6 +60,10 @@ extern void iowrite32_rep(void __iomem *port, const void *buf, unsigned long cou
extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
extern void ioport_unmap(void __iomem *);
+#ifndef ARCH_HAS_IOREMAP_WC
+#define ioremap_wc ioremap_nocache
+#endif
+
/* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
struct pci_dev;
extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);