tree 32b5fa01c650d6a3f30a92946507524be71c24d3
parent f35157ce27c636ca166864b621a8edf8c5baa0a1
author Maksim Kiselev <bigunclemax@gmail.com> 1703153610 +0300
committer Jagan Teki <jagan@edgeble.ai> 1706528892 +0530

spi: dw: add check for Rx FIFO overflow

If even one byte is lost due to Rx FIFO overflow then we will never
exit the read loop. Because the (priv->rx != priv->rx_end) condition will
be always true.

Let's check if Rx FIFO overflow occurred and exit the read loop
in this case.

Signed-off-by: Maksim Kiselev <bigunclemax@gmail.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>