diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2006-06-22 16:05:36 +0200 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-06-28 18:59:48 +0200 |
commit | 5924486dc0f205ebc2bbf4c262eec902ff38e802 (patch) | |
tree | acde32ec730762ed2d0a742990cfe2dc7f6e5cf0 /arch/arm/mm/ioremap.c | |
parent | [ARM] nommu: avoid selecting TLB and CPU specific copy code (diff) | |
download | linux-5924486dc0f205ebc2bbf4c262eec902ff38e802.tar.xz linux-5924486dc0f205ebc2bbf4c262eec902ff38e802.zip |
[ARM] nommu: add stubs for ioremap and friends
nommu doesn't have any form of remapping support, so ioremap, etc
become stubs which just return the casted address, doing nothing
else.
Move ioport_map(), ioport_unmap(), pci_iomap(), pci_iounmap()
into a separate file which is always built.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/ioremap.c')
-rw-r--r-- | arch/arm/mm/ioremap.c | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c index c1f7180c7bed..7691cfdba567 100644 --- a/arch/arm/mm/ioremap.c +++ b/arch/arm/mm/ioremap.c @@ -176,50 +176,3 @@ void __iounmap(void __iomem *addr) vunmap((void *)(PAGE_MASK & (unsigned long)addr)); } EXPORT_SYMBOL(__iounmap); - -#ifdef __io -void __iomem *ioport_map(unsigned long port, unsigned int nr) -{ - return __io(port); -} -EXPORT_SYMBOL(ioport_map); - -void ioport_unmap(void __iomem *addr) -{ -} -EXPORT_SYMBOL(ioport_unmap); -#endif - -#ifdef CONFIG_PCI -#include <linux/pci.h> -#include <linux/ioport.h> - -void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) -{ - unsigned long start = pci_resource_start(dev, bar); - unsigned long len = pci_resource_len(dev, bar); - unsigned long flags = pci_resource_flags(dev, bar); - - if (!len || !start) - return NULL; - if (maxlen && len > maxlen) - len = maxlen; - if (flags & IORESOURCE_IO) - return ioport_map(start, len); - if (flags & IORESOURCE_MEM) { - if (flags & IORESOURCE_CACHEABLE) - return ioremap(start, len); - return ioremap_nocache(start, len); - } - return NULL; -} -EXPORT_SYMBOL(pci_iomap); - -void pci_iounmap(struct pci_dev *dev, void __iomem *addr) -{ - if ((unsigned long)addr >= VMALLOC_START && - (unsigned long)addr < VMALLOC_END) - iounmap(addr); -} -EXPORT_SYMBOL(pci_iounmap); -#endif |