spi/xilinx: Use polling mode on small transfers
authorRicardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Wed, 28 Jan 2015 12:23:54 +0000 (13:23 +0100)
committerMark Brown <broonie@kernel.org>
Wed, 28 Jan 2015 19:42:43 +0000 (19:42 +0000)
commit22417352f6b7f623495cc426680de75d725197df
treeed7f3c42cdfbf86bceb7f69da03bea06aad6b316
parentb563bfb8d76762fe5a4db1e4f983f3647d60e456
spi/xilinx: Use polling mode on small transfers

Small transfers generally can be accomplished faster in polling mode.
This patch select the transfer which size is bellow the buffer size to
be done on polling mode

Suggested-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-xilinx.c