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| author | Vincent Whitchurch <vincent.whitchurch@axis.com> | 2022-09-16 14:39:48 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-09-19 17:44:19 +0300 |
| commit | b85ad8a54e0a446b3daa7f526e4996ddb6d4373f (patch) | |
| tree | c32716b46a38be47b3ed776804c0eca3a87cad3e /drivers/spi/spi-omap2-mcspi.c | |
| parent | f4ca8c88c2c7ea3ea17c6fdfcc1af4b007403833 (diff) | |
| download | linux-b85ad8a54e0a446b3daa7f526e4996ddb6d4373f.tar.xz | |
spi: spi-loopback-test: Add test to trigger DMA/PIO mixing
Add a test where a small and a large transfer in a message hit the same
cache line. This test currently fails on spi-s3c64xx on in DMA mode
since it ends up mixing DMA and PIO without proper cache maintenance.
Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com>
Link: https://lore.kernel.org/r/20220916113951.228398-2-vincent.whitchurch@axis.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-omap2-mcspi.c')
0 files changed, 0 insertions, 0 deletions