netdev - RE: stmmac / meson8b-dwmac

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Message-ID: <78EB27739596EE489E55E81C33FEC33A0B91BAAE@DE02WEMBXB.internal.synopsys.com>
Date:   Mon, 13 May 2019 09:07:55 +0000
From:   Jose Abreu <Jose.Abreu@...opsys.com>
To:     Simon Huelck <simonmail@....de>,
        Jose Abreu <Jose.Abreu@...opsys.com>,
        Sebastian Gottschall <s.gottschall@...media-net.de>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
CC:     "linux-amlogic@...ts.infradead.org" 
        <linux-amlogic@...ts.infradead.org>,
        "Gpeppe.cavallaro@...com" <Gpeppe.cavallaro@...com>,
        "alexandre.torgue@...com" <alexandre.torgue@...com>,
        Emiliano Ingrassia <ingrassia@...genesys.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: stmmac / meson8b-dwmac

From: Simon Huelck <simonmail@....de>
Date: Sat, May 11, 2019 at 15:53:34

> ethtool -S gave me some counts for mmc_rx_fifo_overflow, which i didnt
> recognize before.

Flow Control can prevent this to happen. Please check if your DT FIFO 
bindings are >= 4096.

> Do we have new ideas / new direction to dig for ?

GIT Bisect is the best direction to follow.

Thanks,
Jose Miguel Abreu