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Diffstat (limited to 'arch/sh/mm/ioremap_fixed.c')
-rw-r--r--arch/sh/mm/ioremap_fixed.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/sh/mm/ioremap_fixed.c b/arch/sh/mm/ioremap_fixed.c
index 0b78b1e20ef..7f682e5dafc 100644
--- a/arch/sh/mm/ioremap_fixed.c
+++ b/arch/sh/mm/ioremap_fixed.c
@@ -45,14 +45,21 @@ void __init ioremap_fixed_init(void)
}
void __init __iomem *
-ioremap_fixed(resource_size_t phys_addr, unsigned long offset,
- unsigned long size, pgprot_t prot)
+ioremap_fixed(phys_addr_t phys_addr, unsigned long size, pgprot_t prot)
{
enum fixed_addresses idx0, idx;
struct ioremap_map *map;
unsigned int nrpages;
+ unsigned long offset;
int i, slot;
+ /*
+ * Mappings have to be page-aligned
+ */
+ offset = phys_addr & ~PAGE_MASK;
+ phys_addr &= PAGE_MASK;
+ size = PAGE_ALIGN(phys_addr + size) - phys_addr;
+
slot = -1;
for (i = 0; i < FIX_N_IOREMAPS; i++) {
map = &ioremap_maps[i];