linux-kernel - Re: [PATCH 0/2] net: macb: Add support for SiFive FU540-C000

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Message-ID: <mvm36l0fhm3.fsf@suse.de>
Date:   Mon, 27 May 2019 10:04:36 +0200
From:   Andreas Schwab <schwab@...e.de>
To:     Yash Shah <yash.shah@...ive.com>
Cc:     davem@...emloft.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
        devicetree@...r.kernel.org, robh+dt@...nel.org,
        mark.rutland@....com, nicolas.ferre@...rochip.com,
        Palmer Dabbelt <palmer@...ive.com>, aou@...s.berkeley.edu,
        ynezz@...e.cz, Paul Walmsley <paul.walmsley@...ive.com>,
        Sachin Ghadi <sachin.ghadi@...ive.com>
Subject: Re: [PATCH 0/2] net: macb: Add support for SiFive FU540-C000

On Mai 24 2019, Yash Shah <yash.shah@...ive.com> wrote:

> Hi Andreas,
>
> On Thu, May 23, 2019 at 6:19 PM Andreas Schwab <schwab@...e.de> wrote:
>>
>> On Mai 23 2019, Yash Shah <yash.shah@...ive.com> wrote:
>>
>> > On FU540, the management IP block is tightly coupled with the Cadence
>> > MACB IP block. It manages many of the boundary signals from the MACB IP
>> > This patchset controls the tx_clk input signal to the MACB IP. It
>> > switches between the local TX clock (125MHz) and PHY TX clocks. This
>> > is necessary to toggle between 1Gb and 100/10Mb speeds.
>>
>> Doesn't work for me:
>>
>> [  365.842801] macb: probe of 10090000.ethernet failed with error -17
>>
>
> Make sure you have applied all the patches needed for testing found at
> dev/yashs/ethernet branch of:

Nope, try reloading the module.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@...e.de
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