From d49316e84bbad307543c50be53555ca9a768f31d Mon Sep 17 00:00:00 2001 From: Greg Ungerer Date: Tue, 18 Oct 2011 16:16:43 +1000 Subject: m68k: use ColdFire MMU read/write bit flags when ioremapping The ColdFire MMU has separate read and write bits, unlike the Motorola m68k MMU which has a single read-only bit. Define a _PAGE_READWRITE value for the Motorola MMU, which is 0, so we can unconditionaly include that in the page table entry bits when setting up ioremapped pages. Signed-off-by: Greg Ungerer Acked-by: Matt Waddel Acked-by: Kurt Mahan Acked-by: Geert Uytterhoeven --- arch/m68k/mm/kmap.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch/m68k/mm') diff --git a/arch/m68k/mm/kmap.c b/arch/m68k/mm/kmap.c index 69345849454b..1cc2bed4c3dd 100644 --- a/arch/m68k/mm/kmap.c +++ b/arch/m68k/mm/kmap.c @@ -171,7 +171,8 @@ void __iomem *__ioremap(unsigned long physaddr, unsigned long size, int cachefla break; } } else { - physaddr |= (_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_DIRTY); + physaddr |= (_PAGE_PRESENT | _PAGE_ACCESSED | + _PAGE_DIRTY | _PAGE_READWRITE); switch (cacheflag) { case IOMAP_NOCACHE_SER: case IOMAP_NOCACHE_NONSER: -- cgit v1.2.3