Re: [PATCH v2 2/2] arm64/efi: esrt: add missing call to efi_esrt_init()

[Peter Jones <pjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]

On Mon, Feb 15, 2016 at 12:32:33PM +0100, Ard Biesheuvel wrote:
> ESRT support is built by default for all architectures that define
> CONFIG_EFI. However, this support was not wired up yet for ARM/arm64,
> since efi_esrt_init() was never called. So add the missing call.
> 
> Since efi_esrt_init() uses efi_mem_desc_lookup(), which in turn relies
> on efi.memmap having been assigned and populated completetely, add the
> missing assignments of efi.memmap and efi.memmap->nr_map.
> 
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>

Looks correct to me, but I can't test this one:
Acked-by: Peter Jones <pjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

> ---
>  drivers/firmware/efi/arm-init.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/firmware/efi/arm-init.c b/drivers/firmware/efi/arm-init.c
> index 9e15d571b53c..5c5e799bdb50 100644
> --- a/drivers/firmware/efi/arm-init.c
> +++ b/drivers/firmware/efi/arm-init.c
> @@ -197,10 +197,13 @@ void __init efi_init(void)
>  	memmap.map_end = memmap.map + params.mmap_size;
>  	memmap.desc_size = params.desc_size;
>  	memmap.desc_version = params.desc_ver;
> +	memmap.nr_map = params.mmap_size / params.desc_size;
> +	efi.memmap = &memmap;
>  
>  	if (uefi_init() < 0)
>  		return;
>  
> +	efi_esrt_init();
>  	reserve_regions();
>  	early_memunmap(memmap.map, params.mmap_size);
>  	memblock_mark_nomap(params.mmap & PAGE_MASK,
> -- 
> 2.5.0
>