[PATCH] ARM: get rid of a few StrongARM cache-related build time constants

[Nicolas Pitre]

On Thu, 7 Jul 2011, Russell King - ARM Linux wrote:

> On Wed, Jul 06, 2011 at 09:21:33AM -0400, Nicolas Pitre wrote:
> > Could you test this patch as well?  You're the only one I know who might 
> > still have access to the affected hardware.
> 
> Tested on Assabet, and unfortunately, this doesn't work on its own because
> we don't permit iotable_init() to create pages with MT_CACHECLEAN and
> MT_MINICLEAN.
> 
> <4>BUG: map for 0xe0000000 at 0xfffe0000 can not be mapped using pages, ignoring.
> <4>BUG: map for 0xe0004000 at 0xfffe4000 can not be mapped using pages, ignoring.
> <4>BUG: map for 0xe0008000 at 0xfffe8000 can not be mapped using pages, ignoring.
> <4>BUG: map for 0xe000c000 at 0xfffec000 can not be mapped using pages, ignoring.
> 
> The fix is below (probably with offsets):

Great. Are you providing an ACK or tested-by with this patch folded in?

> @@ -506,16 +488,8 @@ static void __init build_mem_type_table(void)
>  	mem_types[MT_MEMORY].prot_pte |= kern_pgprot;
>  	mem_types[MT_MEMORY_NONCACHED].prot_sect |= ecc_mask;
>  	mem_types[MT_ROM].prot_sect |= cp->pmd;
> +	mem_types[MT_CACHECLEAN].prot_pte |= kern_pgprot;
>  
Doesn't MT_MINICLEAN require kern_pgprot as well?


Nicolas