commit 88f8b1bb41c6208f81b6a480244533ded7b59493
Author: Gabriel Fernandez <gabriel.fernan...@linaro.org>
Date: Mon Feb 29 17:18:22 2016 +0100
stmmac: Fix 'eth0: No PHY found' regression
This patch manages the case when you have an Ethernet MAC with
a "fixed link", and not connected to a normal MDIO-managed PHY device.
The test of phy_bus_name was not helpful because it was never affected
and replaced by the mdio test node.
Signed-off-by: Gabriel Fernandez <gabriel.fernan...@linaro.org>
Acked-by: Giuseppe Cavallaro <peppe.cavall...@st.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
caused a regression on the Banana Pi M1 board:
...
[ 1.573419] sun7i-dwmac 1c50000.ethernet: no reset control found
[ 1.583476] Ring mode enabled
[ 1.590476] No HW DMA feature register supported
[ 1.595153] Normal descriptors
[ 1.606075] TX Checksum insertion supported
...
[ 9.430047] libphy: PHY stmmac-0:ffffffff not found
[ 9.441829] eth0: Could not attach to PHY
[ 9.452743] stmmac_open: Cannot attach to PHY (error: -19)
Reverting this commit makes it work again:
[ 1.574459] sun7i-dwmac 1c50000.ethernet: no reset control found
[ 1.584501] Ring mode enabled
[ 1.591491] No HW DMA feature register supported
[ 1.596169] Normal descriptors
[ 1.607076] TX Checksum insertion supported
[ 1.615766] sun7i-dwmac 1c50000.ethernet eth0: No MDIO subnode found
[ 1.629108] libphy: stmmac: probed
[ 1.636267] eth0: PHY ID 001cc915 at 0 IRQ POLL (stmmac-0:00) active
[ 1.646446] eth0: PHY ID 001cc915 at 1 IRQ POLL (stmmac-0:01)
...
[ 10.086423] RX IPC Checksum Offload disabled
[ 10.097628] No MAC Management Counters available
[ 14.084839] sun7i-dwmac 1c50000.ethernet eth0: Link is Up -
100Mbps/Full - flow control rx/tx
Regards,
Frank Schäfer
