habanalabs/gaudi2: use DIV_ROUND_UP_SECTOR_T instead of roundup

roundup will create an error in 32-bit architectures as we use
64-bit variables.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>

diff --git a/drivers/misc/habanalabs/gaudi2/gaudi2.c b/drivers/misc/habanalabs/gaudi2/gaudi2.c
index 257e0c179c53310cea47e2a370805f4a3b7cc496..543a1a912b20ee115608566b14902c0c09896200 100644 (file)
--- a/drivers/misc/habanalabs/gaudi2/gaudi2.c
+++ b/drivers/misc/habanalabs/gaudi2/gaudi2.c
@@ -1796,10 +1796,10 @@ static int gaudi2_set_dram_properties(struct hl_device *hdev)
        prop->hints_dram_reserved_va_range.start_addr = RESERVED_VA_RANGE_FOR_ARC_ON_HBM_START;
        prop->hints_dram_reserved_va_range.end_addr = RESERVED_VA_RANGE_FOR_ARC_ON_HBM_END;
 
-       /* since DRAM page size differs from dmmu page size we need to allocate
+       /* since DRAM page size differs from DMMU page size we need to allocate
         * DRAM memory in units of dram_page size and mapping this memory in
         * units of DMMU page size. we overcome this size mismatch using a
-        * scarmbling routine which takes a DRAM page and converts it to a DMMU
+        * scrambling routine which takes a DRAM page and converts it to a DMMU
         * page.
         * We therefore:
         * 1. partition the virtual address space to DRAM-page (whole) pages.
@@ -1814,7 +1814,8 @@ static int gaudi2_set_dram_properties(struct hl_device *hdev)
         *    the DRAM address MSBs (63:48) are not part of the roundup calculation
         */
        prop->dmmu.start_addr = prop->dram_base_address +
-                       roundup(prop->dram_size, prop->dram_page_size);
+                       (prop->dram_page_size *
+                               DIV_ROUND_UP_SECTOR_T(prop->dram_size, prop->dram_page_size));
 
        prop->dmmu.end_addr = prop->dmmu.start_addr + prop->dram_page_size *
                        div_u64((VA_HBM_SPACE_END - prop->dmmu.start_addr), prop->dmmu.page_size);
@@ -2404,7 +2405,7 @@ static int gaudi2_cpucp_info_get(struct hl_device *hdev)
                /* we can have wither 5 or 6 HBMs. other values are invalid */
 
                if ((dram_size != ((GAUDI2_HBM_NUM - 1) * SZ_16G)) &&
-                                       (dram_size != (GAUDI2_HBM_NUM  * SZ_16G))) {
+                                       (dram_size != (GAUDI2_HBM_NUM * SZ_16G))) {
                        dev_err(hdev->dev,
                                "F/W reported invalid DRAM size %llu. Trying to use default size %llu\n",
                                dram_size, prop->dram_size);