Hi Sebastian, On Tue, Feb 04, 2014 at 08:38:22PM +0100, Sebastian Hesselbarth wrote: > On 12/17/2013 08:43 PM, David Miller wrote: > > From: Sebastian Hesselbarth <sebastian.hesselba...@gmail.com> > > Date: Fri, 13 Dec 2013 10:20:24 +0100 > > > >> This is v2 of the ethernet PHY power optimization patches to reduce > >> power consumption of network PHYs with link that are either unused or > >> the corresponding netdev is down. > >> > >> Compared to the last version, this patch set drops a patch to disable > >> unused PHYs after late initcall, as it is not compatible with a modular > >> mdio bus [1]. I'll investigate different ways to have a modular mdio bus > >> driver get notified when driver loading is done. > >> > >> Again, a branch with v2 applied to v3.13-rc2 can also be found at > >> https://github.com/shesselba/linux-dove.git topic/ethphy-power-v2 > >> > >> [1] http://www.spinics.net/lists/arm-kernel/msg293028.html > > > > Series applied, thanks. > > [..] > > as expected the above patches create a Linux to bootloader dependency > that surfaces dumb bootloaders not initializing PHYs correctly. > > Andrew has a Kirkwood based board that does not power-up and restart > auto-negotiation on the powered down PHY after a warm restart. While > this specific bootloader allows a soft-workaround by issuing the > required PHY writes before accessing the interface, others may not. >
I'm also having this same issue on Kirkwood USI Topkick, running v3.14-rc1. -- Ezequiel García, Free Electrons Embedded Linux, Kernel and Android Engineering http://free-electrons.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
