[PATCH v2 22/28] x86: Support MTRRs of 4GB on 32-bit machines

[Simon Glass]

Use the 64-bit function to detect a power-of-two. This allows use of
a full 4GB MTRR on 32-bit machines.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

(no changes since v1)

 arch/x86/cpu/mtrr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/cpu/mtrr.c b/arch/x86/cpu/mtrr.c
index d05263c8eab..5eab3cc1953 100644
--- a/arch/x86/cpu/mtrr.c
+++ b/arch/x86/cpu/mtrr.c
@@ -195,7 +195,7 @@ int mtrr_add_request(int type, uint64_t start, uint64_t size)
 	if (!gd->arch.has_mtrr)
 		return -ENOSYS;
 
-	if (!is_power_of_2(size))
+	if (!is_power_of_2_u64(size))
 		return -EINVAL;
 
 	if (gd->arch.mtrr_req_count == MAX_MTRR_REQUESTS)
-- 
2.43.0