Jagan Teki 8473b32127 spi: Add spi_write_then_read ...

Add support for SPI synchronous write followed by read,
this is common interface call from spi-nor to spi drivers.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Tested-by: Adam Ford <aford173@gmail.com> #da850-evm

2019-09-16 08:09:22 +05:30

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