Hello. On 3/15/2016 12:29 PM, Alexey Brodkin wrote: > Following commit broke DW GMAC functionality on AXS10x boards: > http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e34d65696d2ef13dc32f2a162556c86c461ed763 > > That's what happens on eth0 up: > --------------------------->8------------------------ > libphy: PHY stmmac-0:ffffffff not found > eth0: Could not attach to PHY > stmmac_open: Cannot attach to PHY (error: -19) > --------------------------->8------------------------ > > Simplest solution is to add PHY description in board's .dts. > And so we do here. > > Signed-off-by: Alexey Brodkin <abrodkin at synopsys.com> > Cc: Rob Herring <robh at kernel.org> > Cc: Phil Reid <preid at electromag.com.au> > Cc: David S. Miller <davem at davemloft.net> > Cc: linux-kernel at vger.kernel.org > Cc: netdev at vger.kernel.org > Cc: stable at vger.kernel.org # 4.5.x > --- > arch/arc/boot/dts/axs10x_mb.dtsi | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/arch/arc/boot/dts/axs10x_mb.dtsi b/arch/arc/boot/dts/axs10x_mb.dtsi > index 44a578c..04b999e 100644 > --- a/arch/arc/boot/dts/axs10x_mb.dtsi > +++ b/arch/arc/boot/dts/axs10x_mb.dtsi > @@ -47,6 +47,14 @@ > clocks = <&apbclk>; > clock-names = "stmmaceth"; > max-speed = <100>; > + mdio0 { > + #address-cells = <1>; > + #size-cells = <0>; > + compatible = "snps,dwmac-mdio"; > + phy0: ethernet-phy at 0 { The naming is inconsistent with the "reg" prop specified, should be @1. MBR, Sergei
