diff options
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/pgtable_32.c | 8 | ||||
| -rw-r--r-- | arch/powerpc/mm/pgtable_64.c | 11 |
2 files changed, 19 insertions, 0 deletions
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index 8dc41c0157f..fca98f8fb60 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c @@ -133,6 +133,14 @@ ioremap(phys_addr_t addr, unsigned long size) EXPORT_SYMBOL(ioremap); void __iomem * +ioremap_wc(phys_addr_t addr, unsigned long size) +{ + return __ioremap_caller(addr, size, _PAGE_NO_CACHE, + __builtin_return_address(0)); +} +EXPORT_SYMBOL(ioremap_wc); + +void __iomem * ioremap_flags(phys_addr_t addr, unsigned long size, unsigned long flags) { /* writeable implies dirty for kernel addresses */ diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index 88927a05cdc..1146fc6e892 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -255,6 +255,16 @@ void __iomem * ioremap(phys_addr_t addr, unsigned long size) return __ioremap_caller(addr, size, flags, caller); } +void __iomem * ioremap_wc(phys_addr_t addr, unsigned long size) +{ + unsigned long flags = _PAGE_NO_CACHE; + void *caller = __builtin_return_address(0); + + if (ppc_md.ioremap) + return ppc_md.ioremap(addr, size, flags, caller); + return __ioremap_caller(addr, size, flags, caller); +} + void __iomem * ioremap_flags(phys_addr_t addr, unsigned long size, unsigned long flags) { @@ -311,6 +321,7 @@ void iounmap(volatile void __iomem *token) } EXPORT_SYMBOL(ioremap); +EXPORT_SYMBOL(ioremap_wc); EXPORT_SYMBOL(ioremap_flags); EXPORT_SYMBOL(__ioremap); EXPORT_SYMBOL(__ioremap_at); |