Re: [PATCH v2 2/2] powerpc/83xx: map IMMR with a BAT.

From: Scott Wood
Date: Mon Sep 16 2019 - 11:06:52 EST


On Mon, 2019-09-16 at 06:42 +0000, Christophe Leroy wrote:
> @@ -145,6 +147,15 @@ void __init mpc83xx_setup_arch(void)
> if (ppc_md.progress)
> ppc_md.progress("mpc83xx_setup_arch()", 0);
>
> + if (!__map_without_bats) {
> + phys_addr_t immrbase = get_immrbase();
> + int immrsize = IS_ALIGNED(immrbase, SZ_2M) ? SZ_2M : SZ_1M;
> + unsigned long va = __fix_to_virt(FIX_IMMR_BASE);

Why __fix_to_virt() and not fix_to_virt()?

-Scott