tree 01461e52f6e0ea5cbbb7ae0492cf7428eb78cbd5
parent 65ecc9c02dbad033a73a32916d17c107c5b25031
author Shubhrajyoti D <shubhrajyoti@ti.com> 1348238239 +0530
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1348691617 -0700

serial: omap: fix the reciever line error case

This patch does the following
- In case of errors if there least one data character in the RX FIFO
read it otherwise it may stall the receiver.

This is recommended in the interrupt reset method in the table 23-246 of
the omap4 TRM.

Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>