From: "Leonidas P. Papadakos" <papadakospan-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Peter Geis <pgwipeout-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Thomas McKahan
<tonymckahan-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>
Subject: Re: [PATCH v2] arm64: dts: rockchip: fix rk3328-roc-cc gmac2io tx/rx_delay
Date: Fri, 08 Mar 2019 03:27:27 +0200 [thread overview]
Message-ID: <1552008447.3271.0@gmail.com> (raw)
In-Reply-To: <24c5ffaa-644d-4623-a635-6842f67efe8a-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> When I submitted the patch to fix the TX stability issue, I intended
> to follow up with another patch for delay updates.
> Unfortunately, I was unable to locate a delay that was acceptable, as
> I was never able to get below ~700 retry attempts on the TX side in
> testing.
>
> I am unsure if this is due to manufacturing defects or if I'm missing
> something else.
> It may be worth considering implementing some sort of delay auto
> tuning, similar to the mmc driver.
> Thoughts?
I feared as much. The delays on the tx side do seem to be more of a
mitigation.
I you have the know-how for it, it would be pretty cool
next prev parent reply other threads:[~2019-03-08 1:27 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-06 22:34 [PATCH v2] arm64: dts: rockchip: fix rk3328-roc-cc gmac2io tx/rx_delay Leonidas P. Papadakos
[not found] ` <20190306223454.2959-1-papadakospan-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2019-03-06 22:37 ` Leonidas P. Papadakos
2019-03-08 1:05 ` Peter Geis
[not found] ` <24c5ffaa-644d-4623-a635-6842f67efe8a-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2019-03-08 1:27 ` Leonidas P. Papadakos [this message]
[not found] ` <1552008447.3271.0-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2019-03-08 23:26 ` Leonidas P. Papadakos
[not found] ` <1552087603.1401.0-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2019-03-09 2:39 ` Peter Geis
[not found] ` <ec810aad-dd04-84e4-bfb0-98b005cf3f03-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2019-03-09 3:26 ` Leonidas P. Papadakos
[not found] ` <1552101990.1401.3-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2019-03-09 12:45 ` Peter Geis
[not found] ` <e9c539ce-f1cb-06f8-1083-ea64c9fd9e7b-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2019-03-09 14:16 ` Heiko Stuebner
2019-03-09 14:21 ` Peter Geis
[not found] ` <4f17a798-ed28-8403-ed75-30fdf4bfc44b-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2019-03-09 23:05 ` Leonidas P. Papadakos
[not found] ` <1552172735.1238.0-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2019-03-09 23:16 ` Peter Geis
[not found] ` <1bab9d4c-5e9d-968d-026d-98e65af6e7ee-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2019-03-09 23:25 ` Leonidas P. Papadakos
[not found] ` <1552173935.1238.1-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2019-03-09 23:34 ` Peter Geis
[not found] ` <6d6a700a-39c9-25b6-dfff-296c0757603d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2019-03-10 0:26 ` Leonidas P. Papadakos
2019-03-13 20:20 ` Leonidas P. Papadakos
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