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| author | Eugen Hristev <eugen.hristev@microchip.com> | 2018-02-27 13:25:07 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-02-27 17:00:45 +0300 |
| commit | 9581329eff9db72ab4fbb46a594fd7fdda3c51b0 (patch) | |
| tree | aaba81e368d15814f9541364a96fa65792ba211b /Documentation/accelerators | |
| parent | 7928b2cbe55b2a410a0f5c1f154610059c57b1b2 (diff) | |
| download | linux-9581329eff9db72ab4fbb46a594fd7fdda3c51b0.tar.xz | |
spi: atmel: init FIFOs before spi enable
The datasheet recommends initializing FIFOs before
SPI enable. If we do not do it like this, there may be
a strange behavior. We noticed that DMA does not work properly
with FIFOs if we do not clear them beforehand or enable them
before SPIEN.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
Diffstat (limited to 'Documentation/accelerators')
0 files changed, 0 insertions, 0 deletions