This patch fix compilation error in 32-bit ARM architecture regarding
division of 2 64-bit variables.
Use the kernel do_div() macro, which is implemented per architecture, for
doing these divisions instead of using the / operator.
Reported-by: kbuild test robot <l...@intel.com>
Signed-off-by: Oded Gabbay <oded.gab...@gmail.com>
---
drivers/misc/habanalabs/mmu.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/misc/habanalabs/mmu.c b/drivers/misc/habanalabs/mmu.c
index ce404e6cc9a9..2f2e99cb2743 100644
--- a/drivers/misc/habanalabs/mmu.c
+++ b/drivers/misc/habanalabs/mmu.c
@@ -261,9 +261,9 @@ int hl_mmu_ctx_init(struct hl_ctx *ctx)
!hdev->dram_default_page_mapping)
return 0;
- num_of_hop3 = (prop->dram_size_for_default_page_mapping /
- prop->dram_page_size) /
- PTE_ENTRIES_IN_HOP;
+ num_of_hop3 = prop->dram_size_for_default_page_mapping;
+ do_div(num_of_hop3, prop->dram_page_size);
+ do_div(num_of_hop3, PTE_ENTRIES_IN_HOP);
/* add hop1 and hop2 */
total_hops = num_of_hop3 + 2;
@@ -378,9 +378,9 @@ void hl_mmu_ctx_fini(struct hl_ctx *ctx)
if (hdev->dram_supports_virtual_memory &&
hdev->dram_default_page_mapping) {
- num_of_hop3 = (prop->dram_size_for_default_page_mapping /
- prop->dram_page_size) /
- PTE_ENTRIES_IN_HOP;
+ num_of_hop3 = prop->dram_size_for_default_page_mapping;
+ do_div(num_of_hop3, prop->dram_page_size);
+ do_div(num_of_hop3, PTE_ENTRIES_IN_HOP);
/* add hop1 and hop2 */
total_hops = num_of_hop3 + 2;
--
2.17.1
