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From: Heiko Thiery <heiko.thiery@gmail.com>
To: Richard Cochran <richardcochran@gmail.com>
Cc: Jakub Kicinski <kuba@kernel.org>,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	"David S . Miller" <davem@davemloft.net>,
	Fugang Duan <fugang.duan@nxp.com>
Subject: Re: [PATCH 1/1] net: fec: ptp: avoid register access when ipg clock is disabled
Date: Thu, 25 Feb 2021 14:49:04 +0100	[thread overview]
Message-ID: <CAEyMn7YwvZD6T=oHp2AcmsA+R6Ho2SCYYkt2NcK8hZNUT7_TSQ@mail.gmail.com> (raw)
In-Reply-To: <20210223161136.GA5894@hoboy.vegasvil.org>

Hi Richard,

Am Di., 23. Feb. 2021 um 17:11 Uhr schrieb Richard Cochran
<richardcochran@gmail.com>:
>
> On Tue, Feb 23, 2021 at 04:04:16PM +0100, Heiko Thiery wrote:
> > It is not only the PHC clock that stops. Rather, it is the entire
> > ethernet building block in the SOC that is disabled, including the
> > PHC.
>
> Sure, but why does the driver do that?

That is a good question. I tried to understand the clock
infrastructure of the imx8 but it looks quite complicated. I cannot
find the point where all the stuff is disabled.

-- 
Heiko

  reply	other threads:[~2021-02-25 13:50 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-20  6:56 [PATCH 1/1] net: fec: ptp: avoid register access when ipg clock is disabled Heiko Thiery
2021-02-23  3:00 ` Jakub Kicinski
2021-02-23  8:00   ` Heiko Thiery
2021-02-23 14:27     ` Richard Cochran
2021-02-23 15:04       ` Heiko Thiery
2021-02-23 16:11         ` Richard Cochran
2021-02-25 13:49           ` Heiko Thiery [this message]
2021-02-25 14:05             ` Heiko Thiery
2021-02-25 17:14               ` Richard Cochran

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