tree f8c66ef8f4eaabfb9e4de0e7ca2bbf6038d5536a
parent cf90fe73504764cbcc2552c7ea69b1866059db30
author Brian Niebuhr <bniebuhr@efjohnson.com> 1282561759 +0530
committer Sekhar Nori <nsekhar@ti.com> 1290085710 +0530

spi: davinci: simplify poll mode transfers

Use the fact that the get_tx and get_rx can now cope with
NULL buffer pointers to simplify the poll mode transfer
code.

While at it, check for SPI errors every transfer rather than
at the end of the whole transfer.

Signed-off-by: Brian Niebuhr <bniebuhr@efjohnson.com>
Tested-By: Michael Williamson <michael.williamson@criticallink.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>