tree 862f44d73573de039a5b35a2fce7f0a154530a43
parent 1a695a905c18548062509178b98bc91e67510864
author Michal Suchanek <hramrach@gmail.com> 1465840009 +0000
committer Mark Brown <broonie@kernel.org> 1465895108 +0100

spi: sun4i: fix FIFO limit

When testing SPI without DMA I noticed that filling the FIFO on the
spi controller causes timeout.

Always leave room for one byte in the FIFO.

Signed-off-by: Michal Suchanek <hramrach@gmail.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org