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iomap: make IOPORT/PCI mapping functions conditional

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Use the CONFIG_HAS_IOPORT and CONFIG_PCI options to decide whether or
not functions for mapping these areas are provided.

Signed-off-by: Jonas Bonn <jonas@southpole.se>
Acked-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Jonas Bonn
2011-07-02 17:23:29 +02:00
parent f1ecc69838
commit 82ed223c26
3 changed files with 10 additions and 0 deletions
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4
include/asm-generic/iomap.h
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@@ -56,17 +56,21 @@ extern void iowrite8_rep(void __iomem *port, const void *buf, unsigned long coun
extern void iowrite16_rep(void __iomem *port, const void *buf, unsigned long count);
extern void iowrite32_rep(void __iomem *port, const void *buf, unsigned long count);
#ifdef CONFIG_HAS_IOPORT
/* Create a virtual mapping cookie for an IO port range */
extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
extern void ioport_unmap(void __iomem *);
#endif
#ifndef ARCH_HAS_IOREMAP_WC
#define ioremap_wc ioremap_nocache
#endif
#ifdef CONFIG_PCI
/* 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);
extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
#endif
#endif