[PATCH 08/11] ARM: mmu: Clear unpredictable bits for translation table

[Sascha Hauer]

On Fri, Feb 08, 2013 at 02:02:20PM +0400, Alexander Shiyan wrote:
> 
> Signed-off-by: Alexander Shiyan <shc_work at mail.ru>

Applied this one for master.

Sascha

> ---
>  arch/arm/cpu/mmu.c |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c
> index 73dd0d3..99f12b5 100644
> --- a/arch/arm/cpu/mmu.c
> +++ b/arch/arm/cpu/mmu.c
> @@ -279,6 +279,9 @@ static int mmu_init(void)
>  	if (get_cr() & CR_M) {
>  		asm volatile ("mrc  p15,0,%0,c2,c0,0" : "=r"(ttb));
>  
> +		/* Clear unpredictable bits [13:0] */
> +		ttb = (unsigned long *)((unsigned long)ttb & ~0x3fff);
> +
>  		if (!request_sdram_region("ttb", (unsigned long)ttb, SZ_16K))
>  			pr_err("Error: Can't request SDRAM region for ttb\n");
>  	} else {
> -- 
> 1.7.3.4
> 
> 
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