From: Russell King Date: Tue, 26 Jul 2005 18:51:26 +0000 (+0100) Subject: [PATCH] ARM SMP: Mark device mappings as "device" in ARMv6 parlance X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=186efd5275bbe7ffb73d939c1ce5690682668200;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git [PATCH] ARM SMP: Mark device mappings as "device" in ARMv6 parlance ARMv6 introduces memory types into the page tables. Mark devices mappings with the "shared device" memory type. Signed-off-by: Russell King --- diff --git a/arch/arm/mm/mm-armv.c b/arch/arm/mm/mm-armv.c index b19f00e99a21..e33fe4229d05 100644 --- a/arch/arm/mm/mm-armv.c +++ b/arch/arm/mm/mm-armv.c @@ -425,6 +425,9 @@ static void __init build_mem_type_table(void) mem_types[MT_ROM].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; mem_types[MT_MINICLEAN].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; mem_types[MT_CACHECLEAN].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; + + mem_types[MT_DEVICE].prot_pte |= L_PTE_BUFFERABLE; + mem_types[MT_DEVICE].prot_sect |= PMD_SECT_BUFFERED; } cp = &cache_policies[cachepolicy];