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| author | Catalin Marinas <catalin.marinas@arm.com> | 2007-01-25 16:16:47 +0300 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-01-25 19:35:26 +0300 |
| commit | 412489af76b5c0e4029d4406d93554c22a88fc73 (patch) | |
| tree | 1ef0221282baeea94e5ea74aaad724aa73a81176 /arch | |
| parent | 7baced8a5923ce13d3d42d50a042a869092ab4e5 (diff) | |
| download | linux-412489af76b5c0e4029d4406d93554c22a88fc73.tar.xz | |
[ARM] 4112/1: Only ioremap to supersections if DOMAIN_IO is zero
Supersections do not have a field for the domain and it is always
0. This patch prevents the creation of supersections during ioremap
when DOMAIN_IO is not zero (i.e. !defined(CONFIG_IO_36)).
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mm/ioremap.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c index 251685fe73a8..0ac615c0f798 100644 --- a/arch/arm/mm/ioremap.c +++ b/arch/arm/mm/ioremap.c @@ -300,7 +300,8 @@ __ioremap_pfn(unsigned long pfn, unsigned long offset, size_t size, addr = (unsigned long)area->addr; #ifndef CONFIG_SMP - if ((((cpu_architecture() >= CPU_ARCH_ARMv6) && (get_cr() & CR_XP)) || + if (DOMAIN_IO == 0 && + (((cpu_architecture() >= CPU_ARCH_ARMv6) && (get_cr() & CR_XP)) || cpu_is_xsc3()) && !((__pfn_to_phys(pfn) | size | addr) & ~SUPERSECTION_MASK)) { area->flags |= VM_ARM_SECTION_MAPPING; |