netdev - macb broken on HiFive Unleashed

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Message-ID: <87tupl30kl.fsf@igel.home>
Date:   Mon, 08 Mar 2021 20:30:34 +0100
From:   Andreas Schwab <schwab@...ux-m68k.org>
To:     linux-riscv@...ts.infradead.org
CC:     Charles Keepax <ckeepax@...nsource.cirrus.com>,
        Andrew Lunn <andrew@...n.ch>, Willy Tarreau <w@....eu>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>,
        Daniel Palmer <daniel@...f.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Parshuram Thombare <pthombar@...ence.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: macb broken on HiFive Unleashed

One of the changes to the macb driver between 5.10 and 5.11 has broken
the SiFive HiFive Unleashed.  These are the last messages before the
system hangs:

[   12.468674] libphy: Fixed MDIO Bus: probed
[   12.746518] macb 10090000.ethernet: Registered clk switch 'sifive-gemgxl-mgmt'
[   12.753119] macb 10090000.ethernet: GEM doesn't support hardware ptp.
[   12.760178] libphy: MACB_mii_bus: probed
[   12.881792] MACsec IEEE 802.1AE
[   12.944426] macb 10090000.ethernet eth0: Cadence GEM rev 0x10070109 at 0x10090000 irq 16 (70:b3:d5:92:f1:07)

Andreas.

-- 
Andreas Schwab, schwab@...ux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."