[MIPS] Fix iounmap argument to const volatile.
With the existing prototype the following code:
const void __iomem *io = ioremap();
x = readb(io);
iounmap(io);
did result in a warning.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/mm/ioremap.c b/arch/mips/mm/ioremap.c
index 3101d1d..cea7d0e 100644
--- a/arch/mips/mm/ioremap.c
+++ b/arch/mips/mm/ioremap.c
@@ -176,7 +176,7 @@
#define IS_KSEG1(addr) (((unsigned long)(addr) & ~0x1fffffffUL) == CKSEG1)
-void __iounmap(volatile void __iomem *addr)
+void __iounmap(const volatile void __iomem *addr)
{
struct vm_struct *p;