From: Richard Cochran <richardcochran@gmail.com>
To: Min Li <min.li.xe@renesas.com>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH net 1/2] ptp: idt82p33: optimize idt82p33_adjtime
Date: Thu, 24 Jun 2021 09:14:06 -0700 [thread overview]
Message-ID: <20210624161406.GC15473@hoboy.vegasvil.org> (raw)
In-Reply-To: <OS3PR01MB6593D3DCF7CE756E260548B3BA079@OS3PR01MB6593.jpnprd01.prod.outlook.com>
On Thu, Jun 24, 2021 at 02:38:46PM +0000, Min Li wrote:
> For linuxptp/ptp4l, we can use step_window to adapt to the slow adjtime.
>
> I have tested this change with ptp4l for by setting step_window to 48 (assuming 16 packets per second)
> for both 8265.2/8275.1 and they performed well.
Yes, but that is a "magic" configuration that happens to work.
Don't you want your driver to work out of the box with every user
space program?
Thanks,
Richard
next prev parent reply other threads:[~2021-06-24 16:14 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-23 14:46 [PATCH net 1/2] ptp: idt82p33: optimize idt82p33_adjtime min.li.xe
2021-06-23 14:46 ` [PATCH net 2/2] ptp: idt82p33: implement double dco time correction min.li.xe
2021-06-24 3:43 ` Richard Cochran
2021-06-24 14:40 ` Min Li
2021-06-24 16:15 ` Richard Cochran
2021-06-24 3:40 ` [PATCH net 1/2] ptp: idt82p33: optimize idt82p33_adjtime Richard Cochran
2021-06-24 14:38 ` Min Li
2021-06-24 16:14 ` Richard Cochran [this message]
2021-06-24 16:20 ` Richard Cochran
2021-06-25 14:24 ` Min Li
2021-06-25 16:20 ` Richard Cochran
2021-07-12 14:00 ` Min Li
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