spi: sunxi: expose maximum transfer size limit

The sun4i spi hardware can trasfer at most 63 bytes of data without DMA
support so report the limitation. Same for sun6i.

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>
This commit is contained in:
Michal Suchanek 2016-06-13 17:46:50 +00:00 • committed by Mark Brown
commit 794912cff6
2 changed files with 11 additions and 0 deletions