Re: [PATCH] efi: ARM: avoid warning about phys_addr_t cast

[Matt Fleming]

On Mon, 18 Apr, at 10:34:19AM, Arnd Bergmann wrote:
> memblock_remove() takes a phys_addr_t, which may be narrower than 64 bits,
> causing a harmless warning:
> 
> drivers/firmware/efi/arm-init.c: In function 'reserve_regions':
> include/linux/kernel.h:29:20: error: large integer implicitly truncated to unsigned type [-Werror=overflow]
>  #define ULLONG_MAX (~0ULL)
>                     ^
> drivers/firmware/efi/arm-init.c:152:21: note: in expansion of macro 'ULLONG_MAX'
>   memblock_remove(0, ULLONG_MAX);
> 
> This adds an explicit typecast to avoid the warning
> 
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Fixes: 500899c2cc3e ("efi: ARM/arm64: ignore DT memory nodes instead of removing them")
> ---
>  drivers/firmware/efi/arm-init.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Will, this one is for you.

Reviewed-by: Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx>