[PATCH] 82xx: FCC: Fixing a bug causing to FCC port lock-up

[David Miller]

From: Martin Roth <martin.roth at motorolasolutions.com>
Date: Tue, 15 Dec 2015 04:17:53 +0200

> The patch fixes FCC port lock-up, which occurs as a result of a bug
> during underrun/collision handling. Within the tx_startup() function
> in mac-fcc.c, the address of last BD is not calculated correctly.
> As a result of wrong calculation of the last BD address, the next
> transmitted BD may be set to an area out of the transmit BD ring.
> This actually causes to port lock-up and it is not recoverable.
> 
> Signed-off-by: Martin Roth <martin.roth at motorolasolutions.com>

Applied, thanks.