On Wed, Oct 14, 2009 at 1:11 PM, Wolfgang Grandegger <w...@grandegger.com> wrote: > Grant Likely wrote: >> From: John Bonesio <bo...@secretlab.ca> >> >> The MDIO bus cannot be accessed at interrupt context, but on an FEC >> error, the fec_mpc52xx driver reset function also tries to reset the >> PHY. Since the error is detected at IRQ context, and the PHY functions >> try to sleep, the kernel ends up panicking. >> >> Resetting the PHY on an FEC error isn't even necessary. This patch >> solves the problem by removing the PHY reset entirely. > > There is also no need to free and re-allocate the RX buffers in > mpc52xx_fec_reset().
Write and test a patch for me! :-) g. -- Grant Likely, B.Sc., P.Eng. Secret Lab Technologies Ltd. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev