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authorRalf Baechle <ralf@linux-mips.org>2005-02-10 12:19:59 +0000
committerRalf Baechle <ralf@linux-mips.org>2005-10-29 19:30:31 +0100
commitc6e8b587718c486b55c2ebecc6de231a30beba35 (patch)
tree7c6162d449c69fb6425bd27ba341e2d874fb0a1b /arch/mips/mm/ioremap.c
parent57f0060b8a2bb2a70a4cce1a37d5e0158cea92a6 (diff)
downloadblackbird-op-linux-c6e8b587718c486b55c2ebecc6de231a30beba35.tar.gz
blackbird-op-linux-c6e8b587718c486b55c2ebecc6de231a30beba35.zip
Update MIPS to use the 4-level pagetable code thereby getting rid of
the compacrapability headers. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/mm/ioremap.c')
-rw-r--r--arch/mips/mm/ioremap.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/mips/mm/ioremap.c b/arch/mips/mm/ioremap.c
index adf352273f63..d06107360db4 100644
--- a/arch/mips/mm/ioremap.c
+++ b/arch/mips/mm/ioremap.c
@@ -79,9 +79,14 @@ static int remap_area_pages(unsigned long address, phys_t phys_addr,
BUG();
spin_lock(&init_mm.page_table_lock);
do {
+ pud_t *pud;
pmd_t *pmd;
- pmd = pmd_alloc(&init_mm, dir, address);
+
error = -ENOMEM;
+ pud = pud_alloc(&init_mm, dir, address);
+ if (!pud)
+ break;
+ pmd = pmd_alloc(&init_mm, pud, address);
if (!pmd)
break;
if (remap_area_pmd(pmd, address, end - address,
@@ -141,7 +146,7 @@ void * __ioremap(phys_t phys_addr, phys_t size, unsigned long flags)
*/
if (IS_LOW512(phys_addr) && IS_LOW512(last_addr) &&
flags == _CACHE_UNCACHED)
- return (void *) KSEG1ADDR(phys_addr);
+ return (void *) CKSEG1ADDR(phys_addr);
/*
* Don't allow anybody to remap normal RAM that we're using..
@@ -180,7 +185,7 @@ void * __ioremap(phys_t phys_addr, phys_t size, unsigned long flags)
return (void *) (offset + (char *)addr);
}
-#define IS_KSEG1(addr) (((unsigned long)(addr) & ~0x1fffffffUL) == KSEG1)
+#define IS_KSEG1(addr) (((unsigned long)(addr) & ~0x1fffffffUL) == CKSEG1)
void __iounmap(volatile void __iomem *addr)
{
@@ -190,10 +195,8 @@ void __iounmap(volatile void __iomem *addr)
return;
p = remove_vm_area((void *) (PAGE_MASK & (unsigned long __force) addr));
- if (!p) {
+ if (!p)
printk(KERN_ERR "iounmap: bad address %p\n", addr);
- return;
- }
kfree(p);
}
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