From 7464b6e3a5fb213e7826d2fde4a2daf05abb6822 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Mon, 18 Apr 2016 10:34:19 +0200 Subject: [PATCH] efi: ARM: avoid warning about phys_addr_t cast 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 Fixes: 500899c2cc3e ("efi: ARM/arm64: ignore DT memory nodes instead of removing them") Acked-by Ard Biesheuvel Reviewed-by: Matt Fleming Signed-off-by: Arnd Bergmann Signed-off-by: Will Deacon --- drivers/firmware/efi/arm-init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/firmware/efi/arm-init.c b/drivers/firmware/efi/arm-init.c index 5d6945b761dc..ca708fb18c1d 100644 --- a/drivers/firmware/efi/arm-init.c +++ b/drivers/firmware/efi/arm-init.c @@ -149,7 +149,7 @@ static __init void reserve_regions(void) * uses its own memory map instead. */ memblock_dump_all(); - memblock_remove(0, ULLONG_MAX); + memblock_remove(0, (phys_addr_t)ULLONG_MAX); for_each_efi_memory_desc(&memmap, md) { paddr = md->phys_addr; -- 2.20.1