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habanalabs: use do_div for 64-bit divisions
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 <lkp@intel.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -261,9 +261,9 @@ int hl_mmu_ctx_init(struct hl_ctx *ctx)
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!hdev->dram_default_page_mapping)
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return 0;
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num_of_hop3 = (prop->dram_size_for_default_page_mapping /
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prop->dram_page_size) /
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PTE_ENTRIES_IN_HOP;
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num_of_hop3 = prop->dram_size_for_default_page_mapping;
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do_div(num_of_hop3, prop->dram_page_size);
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do_div(num_of_hop3, PTE_ENTRIES_IN_HOP);
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/* add hop1 and hop2 */
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total_hops = num_of_hop3 + 2;
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@ -378,9 +378,9 @@ void hl_mmu_ctx_fini(struct hl_ctx *ctx)
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if (hdev->dram_supports_virtual_memory &&
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hdev->dram_default_page_mapping) {
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num_of_hop3 = (prop->dram_size_for_default_page_mapping /
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prop->dram_page_size) /
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PTE_ENTRIES_IN_HOP;
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num_of_hop3 = prop->dram_size_for_default_page_mapping;
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do_div(num_of_hop3, prop->dram_page_size);
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do_div(num_of_hop3, PTE_ENTRIES_IN_HOP);
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/* add hop1 and hop2 */
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total_hops = num_of_hop3 + 2;
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