of: unittest: 64 bit dma address test requires arch support
authorFrank Rowand <frank.rowand@sony.com>
Sun, 12 Dec 2021 22:18:52 +0000 (16:18 -0600)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 27 Jan 2022 09:54:07 +0000 (10:54 +0100)
[ 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>
drivers/of/unittest.c

index a5c4c77b6f3e2f931368362391b23de190986e0d..5407bbdb6439519e9a2521a7aff31c2789fa2df4 100644 (file)
@@ -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);
 }