]> err.no Git - linux-2.6/commitdiff
generic: add ioremap_wc() interface wrapper
authorvenkatesh.pallipadi@intel.com <venkatesh.pallipadi@intel.com>
Wed, 19 Mar 2008 00:00:24 +0000 (17:00 -0700)
committerIngo Molnar <mingo@elte.hu>
Thu, 24 Apr 2008 21:40:47 +0000 (23:40 +0200)
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>
include/asm-generic/iomap.h

index 67dc84cd1343dd6d1674b64f2be832481f0ed072..76b0cc5637f842f211953de68b462244fc62ca6e 100644 (file)
@@ -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);