From: Mark Ware <[email protected]> Date: Thu, 27 May 2010 11:12:12 +1000
> This patch fixes an occasional transmit lockup in the mac-fcc which > occurs after a tx error. The test scenario had the local port set > to autoneg and the other end fixed at 100FD, resulting in a large > number of late collisions. > > According to the MPC8280RM 30.10.1.3 (also 8272RM 29.10.1.3), after > a tx error occurs, TBPTR may sometimes point beyond BDs still marked > as ready. This patch walks back through the BDs and points TBPTR to > the earliest one marked as ready. > > Tested on a custom board with a MPC8280. > > Signed-off-by: Mark Ware <[email protected]> Applied, thanks. _______________________________________________ Linuxppc-dev mailing list [email protected] https://lists.ozlabs.org/listinfo/linuxppc-dev
