i2c: mediatek: modify threshold passed to i2c_get_dma_safe_msg_buf()

DMA with zero-length transfers doesn't make sense and this HW doesn't
support them at all, so increase the threshold.

Fixes: fc66b39fe3 ("i2c: mediatek: Use DMA safe buffers for i2c transactions")
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
[wsa: reworded commit message]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Hsin-Yi Wang 2019-02-15 17:02:02 +08:00 • committed by Wolfram Sang
commit bc1a7f75c8