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Commit 1526a756 authored by venkatesh.pallipadi@intel.com's avatar venkatesh.pallipadi@intel.com Committed by Ingo Molnar
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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: default avatarVenkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: default avatarSuresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 1f56cf1c

include/asm-generic/iomap.h

+4 −0
Original line number Diff line number Diff line
@@ -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);