From: Frank Rowand frank.rowand@sony.com
stable inclusion from stable-v5.10.94 commit dff359e04260110ac328c2bbdde3c1415f62b22f bugzilla: https://gitee.com/openeuler/kernel/issues/I531X9
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 9fd4cf5d3571b27d746b8ead494a3f051485b679 ]
If an architecture does not support 64 bit dma addresses then testing for an expected dma address >= 0x100000000 will fail.
Fixes: e0d072782c73 ("dma-mapping: introduce DMA range map, supplanting dma_pfn_offset") Signed-off-by: Frank Rowand frank.rowand@sony.com Signed-off-by: Rob Herring robh@kernel.org Link: https://lore.kernel.org/r/20211212221852.233295-1-frowand.list@gmail.com Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Acked-by: Xie XiuQi xiexiuqi@huawei.com --- drivers/of/unittest.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index a5c4c77b6f3e..5407bbdb6439 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -941,8 +941,9 @@ static void __init of_unittest_parse_dma_ranges(void) { of_unittest_dma_ranges_one("/testcase-data/address-tests/device@70000000", 0x0, 0x20000000); - of_unittest_dma_ranges_one("/testcase-data/address-tests/bus@80000000/device@1000", - 0x100000000, 0x20000000); + if (IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT)) + of_unittest_dma_ranges_one("/testcase-data/address-tests/bus@80000000/device@1000", + 0x100000000, 0x20000000); of_unittest_dma_ranges_one("/testcase-data/address-tests/pci@90000000", 0x80000000, 0x20000000); }