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Subject[tip: efi/core] efi: arm: force use of unsigned type for EFI_PHYS_ALIGN
The following commit has been merged into the efi/core branch of tip:

Commit-ID: d72c8b0e1cacc39495cd413433d260e8ae59374a
Author: Ard Biesheuvel <>
AuthorDate: Sun, 13 Dec 2020 16:07:03 +01:00
Committer: Ard Biesheuvel <>
CommitterDate: Mon, 14 Dec 2020 16:25:06 +01:00

efi: arm: force use of unsigned type for EFI_PHYS_ALIGN

Ensure that EFI_PHYS_ALIGN is an unsigned type, to prevent spurious
warnings from the type checks in the definition of the max() macro.

Signed-off-by: Ard Biesheuvel <>
arch/arm/include/asm/efi.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/include/asm/efi.h b/arch/arm/include/asm/efi.h
index abae071..9de7ab2 100644
--- a/arch/arm/include/asm/efi.h
+++ b/arch/arm/include/asm/efi.h
@@ -71,7 +71,7 @@ static inline void efifb_setup_from_dmi(struct screen_info *si, const char *opt)
* here throws off the memory allocation logic, so let's use the lowest power
* of two greater than 2 MiB and greater than TEXT_OFFSET.
-#define EFI_PHYS_ALIGN max(SZ_2M, roundup_pow_of_two(TEXT_OFFSET))
+#define EFI_PHYS_ALIGN max(UL(SZ_2M), roundup_pow_of_two(TEXT_OFFSET))

/* on ARM, the initrd should be loaded in a lowmem region */
static inline unsigned long efi_get_max_initrd_addr(unsigned long image_addr)
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