[PATCH] iommupt: Fixup build warning by using BIT_ULL() for RISCVPT_NC/IO

From: fangyu . yu

Date: Tue May 12 2026 - 11:15:48 EST


From: Fangyu Yu <fangyu.yu@xxxxxxxxxxxxxxxxx>

Fix build warning on 32-bit configurations by using BIT_ULL() for
RISCVPT_NC and RISCVPT_IO.

Fixes: 6c21eb174c6c ("iommupt: Encode IOMMU_MMIO/IOMMU_CACHE via RISC-V Svpbmt bits")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202605121350.wZxB51k0-lkp@xxxxxxxxx/
Signed-off-by: Fangyu Yu <fangyu.yu@xxxxxxxxxxxxxxxxx>
---
drivers/iommu/generic_pt/fmt/riscv.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iommu/generic_pt/fmt/riscv.h b/drivers/iommu/generic_pt/fmt/riscv.h
index 2648bb57953e..ae9a76514416 100644
--- a/drivers/iommu/generic_pt/fmt/riscv.h
+++ b/drivers/iommu/generic_pt/fmt/riscv.h
@@ -64,8 +64,8 @@ enum {
RISCVPT_PPN64 = GENMASK_ULL(53, 10),
RISCVPT_PPN64_64K = GENMASK_ULL(53, 14),
RISCVPT_PBMT = GENMASK_ULL(62, 61),
- RISCVPT_NC = BIT(61),
- RISCVPT_IO = BIT(62),
+ RISCVPT_NC = BIT_ULL(61),
+ RISCVPT_IO = BIT_ULL(62),
RISCVPT_N = BIT_ULL(63),

/* Svnapot encodings for ppn[0] */
--
2.50.1