Geert Uytterhoeven fedd694068
spi: sh-msiof: Add reset of registers before starting transfer
In accordance with hardware specification Ver 1.0, reset register
transmission / reception setting before transfer.

Signed-off-by: Hiromitsu Yamasaki <hiromitsu.yamasaki.ym@renesas.com>
[geert: Use readl_poll_timeout_atomic()]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-04-03 11:32:27 +07:00
..
2017-08-10 15:50:23 +01:00
2017-05-26 12:41:07 +01:00
2019-03-09 14:57:08 -08:00