diff options
Diffstat (limited to 'arch/ia64/mm/ioremap.c')
| -rw-r--r-- | arch/ia64/mm/ioremap.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/arch/ia64/mm/ioremap.c b/arch/ia64/mm/ioremap.c index 2a140627dfd..43964cde621 100644 --- a/arch/ia64/mm/ioremap.c +++ b/arch/ia64/mm/ioremap.c @@ -16,12 +16,22 @@ #include <asm/meminit.h> static inline void __iomem * -__ioremap (unsigned long phys_addr) +__ioremap_uc(unsigned long phys_addr) { return (void __iomem *) (__IA64_UNCACHED_OFFSET | phys_addr); } void __iomem * +early_ioremap (unsigned long phys_addr, unsigned long size) +{ + u64 attr; + attr = kern_mem_attribute(phys_addr, size); + if (attr & EFI_MEMORY_WB) + return (void __iomem *) phys_to_virt(phys_addr); + return __ioremap_uc(phys_addr); +} + +void __iomem * ioremap (unsigned long phys_addr, unsigned long size) { void __iomem *addr; @@ -41,7 +51,7 @@ ioremap (unsigned long phys_addr, unsigned long size) if (attr & EFI_MEMORY_WB) return (void __iomem *) phys_to_virt(phys_addr); else if (attr & EFI_MEMORY_UC) - return __ioremap(phys_addr); + return __ioremap_uc(phys_addr); /* * Some chipsets don't support UC access to memory. If @@ -87,7 +97,7 @@ ioremap (unsigned long phys_addr, unsigned long size) return (void __iomem *) (offset + (char __iomem *)addr); } - return __ioremap(phys_addr); + return __ioremap_uc(phys_addr); } EXPORT_SYMBOL(ioremap); @@ -97,11 +107,16 @@ ioremap_nocache (unsigned long phys_addr, unsigned long size) if (kern_mem_attribute(phys_addr, size) & EFI_MEMORY_WB) return NULL; - return __ioremap(phys_addr); + return __ioremap_uc(phys_addr); } EXPORT_SYMBOL(ioremap_nocache); void +early_iounmap (volatile void __iomem *addr, unsigned long size) +{ +} + +void iounmap (volatile void __iomem *addr) { if (REGION_NUMBER(addr) == RGN_GATE) |