H Hartley Sweeten 16779622be spi: spi-ep93xx: add spi master prepare_transfer_hardware()
This driver currently enables the hardware at the start of every
message and disabled it when the message is complete. Make it a
bit smarter by adding the prepare_transfer_hardware() and
unprepare_transfer_hardware() callbacks so that the core can
enable/disable the hardware based on spi message queue.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
[chris: use u32 instead of unsigned int]
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2017-08-09 17:52:57 +01:00
..
2017-02-20 17:26:11 -08:00
2016-08-19 16:24:39 +01:00
2016-07-07 11:44:43 +02:00
2015-12-07 20:09:09 +00:00
2017-05-24 18:19:25 +01:00
2017-01-23 18:09:37 +00:00
2017-05-26 12:41:07 +01:00
2017-03-13 16:48:40 +00:00