tree f618cbdb4334545faecc9ae71634d1f3c0e7cc2b
parent 5398ad6897ec666a416b1d7428f0e8a51adf4254
author Wenyou Yang <wenyou.yang@atmel.com> 1413451390 +0800
committer Mark Brown <broonie@kernel.org> 1413804258 +0100

spi/atmel: add support for runtime PM

Drivers should put the device into low power states proactively whenever the
device is not in use. Thus implement support for runtime PM and use the
autosuspend feature to make sure that we can still perform well in case we see
lots of SPI traffic within short period of time.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>