From: Giuseppe CAVALLARO <peppe.cavallaro@st.com>
To: "Frank Schäfer" <fschaefer.oss@googlemail.com>,
gabriel.fernandez@linaro.org
Cc: <netdev@vger.kernel.org>
Subject: Re: [4.5-rc7+ regression, bisected] libphy: PHY stmmac-0:ffffffff not found
Date: Wed, 9 Mar 2016 08:53:57 +0100 [thread overview]
Message-ID: <56DFD695.1050300@st.com> (raw)
In-Reply-To: <56DF149F.6090100@googlemail.com>
Hi Frank
yes we are also looking at this problem in this thread:
[PATCH v3 0/8] arm64: rockchip: Initial GeekBox enablement
I am implementing a patch and I will propose it soon.
Peppe
On 3/8/2016 7:06 PM, Frank Schäfer wrote:
> commit 88f8b1bb41c6208f81b6a480244533ded7b59493
> Author: Gabriel Fernandez <gabriel.fernandez@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.fernandez@linaro.org>
> Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
> Signed-off-by: David S. Miller <davem@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
>
>
prev parent reply other threads:[~2016-03-09 7:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-08 18:06 [4.5-rc7+ regression, bisected] libphy: PHY stmmac-0:ffffffff not found Frank Schäfer
2016-03-09 7:53 ` Giuseppe CAVALLARO [this message]
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