diff options
Diffstat (limited to 'arch/powerpc/mm/ioremap_32.c')
| -rw-r--r-- | arch/powerpc/mm/ioremap_32.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/arch/powerpc/mm/ioremap_32.c b/arch/powerpc/mm/ioremap_32.c index 85b90a62e084..fcf343dbf2bf 100644 --- a/arch/powerpc/mm/ioremap_32.c +++ b/arch/powerpc/mm/ioremap_32.c @@ -18,7 +18,7 @@ void __iomem * __ioremap_caller(phys_addr_t addr, unsigned long size, pgprot_t prot, void *caller) { unsigned long v; - phys_addr_t p; + phys_addr_t p, offset; int err; /* @@ -28,6 +28,7 @@ __ioremap_caller(phys_addr_t addr, unsigned long size, pgprot_t prot, void *call * (ioremap_bot records where we're up to). */ p = addr & PAGE_MASK; + offset = addr & ~PAGE_MASK; size = PAGE_ALIGN(addr + size) - p; /* @@ -62,12 +63,7 @@ __ioremap_caller(phys_addr_t addr, unsigned long size, pgprot_t prot, void *call goto out; if (slab_is_available()) { - struct vm_struct *area; - area = get_vm_area_caller(size, VM_IOREMAP, caller); - if (area == 0) - return NULL; - area->phys_addr = p; - v = (unsigned long)area->addr; + return do_ioremap(p, offset, size, prot, caller); } else { v = (ioremap_bot -= size); } @@ -77,11 +73,8 @@ __ioremap_caller(phys_addr_t addr, unsigned long size, pgprot_t prot, void *call */ err = ioremap_range((unsigned long)v, p, size, prot); - if (err) { - if (slab_is_available()) - vunmap((void *)v); + if (err) return NULL; - } out: return (void __iomem *)(v + ((unsigned long)addr & ~PAGE_MASK)); |