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| author | Jonas Bonn <jonas@southpole.se> | 2011-07-02 17:23:29 +0200 |
|---|---|---|
| committer | Jonas Bonn <jonas@southpole.se> | 2011-07-22 18:46:26 +0200 |
| commit | 82ed223c264def2b15ee4bec2e8c3048092ceb5f (patch) | |
| tree | 5db30cfb6bb60ce5914128ebe342f08257688aac | |
| parent | asm-generic: add MMU variants of io.h functions (diff) | |
| download | linux-82ed223c264def2b15ee4bec2e8c3048092ceb5f.tar.xz linux-82ed223c264def2b15ee4bec2e8c3048092ceb5f.zip | |
iomap: make IOPORT/PCI mapping functions conditional
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>
| -rw-r--r-- | include/asm-generic/io.h | 2 | ||||
| -rw-r--r-- | include/asm-generic/iomap.h | 4 | ||||
| -rw-r--r-- | lib/iomap.c | 4 |
3 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index a1caf2d25d82..912088773a69 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -332,6 +332,7 @@ static inline void iounmap(void *addr) } #endif /* CONFIG_MMU */ +#ifdef CONFIG_HAS_IOPORT #ifndef CONFIG_GENERIC_IOMAP static inline void __iomem *ioport_map(unsigned long port, unsigned int nr) { @@ -345,6 +346,7 @@ static inline void ioport_unmap(void __iomem *p) extern void __iomem *ioport_map(unsigned long port, unsigned int nr); extern void ioport_unmap(void __iomem *p); #endif /* CONFIG_GENERIC_IOMAP */ +#endif /* CONFIG_HAS_IOPORT */ #define xlate_dev_kmem_ptr(p) p #define xlate_dev_mem_ptr(p) __va(p) diff --git a/include/asm-generic/iomap.h b/include/asm-generic/iomap.h index 76b0cc5637f8..c74ef2c6e633 100644 --- a/include/asm-generic/iomap.h +++ b/include/asm-generic/iomap.h @@ -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 diff --git a/lib/iomap.c b/lib/iomap.c index d32229385151..5dbcb4b2d864 100644 --- a/lib/iomap.c +++ b/lib/iomap.c @@ -224,6 +224,7 @@ EXPORT_SYMBOL(iowrite8_rep); EXPORT_SYMBOL(iowrite16_rep); EXPORT_SYMBOL(iowrite32_rep); +#ifdef CONFIG_HAS_IOPORT /* Create a virtual mapping cookie for an IO port range */ void __iomem *ioport_map(unsigned long port, unsigned int nr) { @@ -238,7 +239,9 @@ void ioport_unmap(void __iomem *addr) } EXPORT_SYMBOL(ioport_map); EXPORT_SYMBOL(ioport_unmap); +#endif /* CONFIG_HAS_IOPORT */ +#ifdef CONFIG_PCI /** * pci_iomap - create a virtual mapping cookie for a PCI BAR * @dev: PCI device that owns the BAR @@ -280,3 +283,4 @@ void pci_iounmap(struct pci_dev *dev, void __iomem * addr) } EXPORT_SYMBOL(pci_iomap); EXPORT_SYMBOL(pci_iounmap); +#endif /* CONFIG_PCI */ |