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From:   Andreas Schwab <schwab@suse.de>
To:     Yash Shah <yash.shah@sifive.com>
Cc:     davem@davemloft.net, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
        devicetree@vger.kernel.org, robh+dt@kernel.org,
        mark.rutland@arm.com, nicolas.ferre@microchip.com,
        Palmer Dabbelt <palmer@sifive.com>, aou@eecs.berkeley.edu,
        ynezz@true.cz, Paul Walmsley <paul.walmsley@sifive.com>,
        Sachin Ghadi <sachin.ghadi@sifive.com>
Subject: Re: [PATCH 0/2] net: macb: Add support for SiFive FU540-C000
References: <1558611952-13295-1-git-send-email-yash.shah@sifive.com>
        <mvmwoihfi9f.fsf@suse.de>
        <CAJ2_jOEr5J7_-81MjUE63OSFKL-p9whEZ_FDBihojXP2wvadVg@mail.gmail.com>
Date:   Mon, 27 May 2019 10:04:36 +0200
In-Reply-To: <CAJ2_jOEr5J7_-81MjUE63OSFKL-p9whEZ_FDBihojXP2wvadVg@mail.gmail.com>
        (Yash Shah's message of "Fri, 24 May 2019 10:09:58 +0530")
Message-ID: <mvm36l0fhm3.fsf@suse.de>
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On Mai 24 2019, Yash Shah <yash.shah@sifive.com> wrote:

> Hi Andreas,
>
> On Thu, May 23, 2019 at 6:19 PM Andreas Schwab <schwab@suse.de> wrote:
>>
>> On Mai 23 2019, Yash Shah <yash.shah@sifive.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@suse.de
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