From: Francesco Dolcini <francesco.dolcini@toradex.com>
To: Joakim Zhang <qiangqing.zhang@nxp.com>
Cc: Francesco Dolcini <francesco.dolcini@toradex.com>,
Andrew Lunn <andrew@lunn.ch>,
"Russell King (Oracle)" <linux@armlinux.org.uk>,
Philippe Schenker <philippe.schenker@toradex.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"David S . Miller" <davem@davemloft.net>,
Heiner Kallweit <hkallweit1@gmail.com>,
Jakub Kicinski <kuba@kernel.org>,
Fabio Estevam <festevam@gmail.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH net-next 3/3] net: fec: reset phy on resume after power-up
Date: Thu, 16 Dec 2021 08:52:16 +0100 [thread overview]
Message-ID: <20211216075216.GA4190@francesco-nb.int.toradex.com> (raw)
In-Reply-To: <DB8PR04MB67951CB5217193E4CBF73B26E6779@DB8PR04MB6795.eurprd04.prod.outlook.com>
On Thu, Dec 16, 2021 at 04:52:39AM +0000, Joakim Zhang wrote:
> As I can see, when system suspended, PHY is totally powered down,
> since you disable the regulator. At this situation, if you
> assert reset signal, you mean it will increase the power
> consumption? PHY is totally powered down, why assert reset
> signal still affect PHY?
In general there are *other* use cases in which the PHY is powered in
suspend. We should not create a regression there.
Francesco
next prev parent reply other threads:[~2021-12-16 7:52 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-14 12:16 [PATCH net-next 0/3] Add Possiblity to Reset PHY After Power-up Philippe Schenker
2021-12-14 12:16 ` [PATCH net-next 1/3] net: phy: add phy_reset_after_power_on() function Philippe Schenker
2021-12-14 12:16 ` [PATCH net-next 2/3] net: phy: micrel: add reset-after-power-on flag to ksz9x31 phys Philippe Schenker
2021-12-14 12:16 ` [PATCH net-next 3/3] net: fec: reset phy on resume after power-up Philippe Schenker
2021-12-14 18:54 ` Andrew Lunn
2021-12-14 19:09 ` Russell King (Oracle)
2021-12-14 22:35 ` Francesco Dolcini
2021-12-15 9:36 ` Andrew Lunn
2021-12-15 10:29 ` Russell King (Oracle)
2021-12-15 11:01 ` Francesco Dolcini
2021-12-15 11:10 ` Francesco Dolcini
2021-12-15 19:34 ` Andrew Lunn
2021-12-15 19:48 ` Francesco Dolcini
2021-12-16 4:52 ` Joakim Zhang
2021-12-16 7:52 ` Francesco Dolcini [this message]
2021-12-16 10:24 ` Andrew Lunn
2021-12-16 11:24 ` Francesco Dolcini
2021-12-16 11:28 ` Andrew Lunn
2021-12-16 11:31 ` Francesco Dolcini
2021-12-16 11:32 ` Andrew Lunn
2021-12-15 10:25 ` Joakim Zhang
2021-12-14 12:23 ` [PATCH net-next 0/3] Add Possiblity to Reset PHY After Power-up Francesco Dolcini
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20211216075216.GA4190@francesco-nb.int.toradex.com \
--to=francesco.dolcini@toradex.com \
--cc=andrew@lunn.ch \
--cc=davem@davemloft.net \
--cc=festevam@gmail.com \
--cc=hkallweit1@gmail.com \
--cc=kuba@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@armlinux.org.uk \
--cc=netdev@vger.kernel.org \
--cc=philippe.schenker@toradex.com \
--cc=qiangqing.zhang@nxp.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®