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(). Wolfgang. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
