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Date: Wed, 21 Dec 2022 12:20:43 +0000 From: "Russell King (Oracle)" <linux@...linux.org.uk> To: Liang Xu <lxu@...linear.com> Cc: Michael Walle <michael@...le.cc>, "andrew@...n.ch" <andrew@...n.ch>, "davem@...emloft.net" <davem@...emloft.net>, "hkallweit1@...il.com" <hkallweit1@...il.com>, Hauke Mehrtens <hmehrtens@...linear.com>, "kuba@...nel.org" <kuba@...nel.org>, "Ismail, Mohammad Athari" <mohammad.athari.ismail@...el.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, Thomas Mohren <tmohren@...linear.com> Subject: Re: [PATCH] net: phy: enhance Maxlinear GPY loopback disable function Hi, On Wed, Dec 14, 2022 at 09:16:46AM +0000, Liang Xu wrote: > From: Michael Walle <michael@...le.cc> > Sent: Wednesday, December 14, 2022 5:00 PM > Subject: Re: [PATCH] net: phy: enhance Maxlinear GPY loopback disable function > > This email was sent from outside of MaxLinear. > > > Subject is missing the correct target, "net" in this case. > > > GPY need 3 seconds to switch out of loopback mode. > > What does that mean, what goes wrong with the current 100ms? > Could you elaborate a bit more and update the commit message > and the comment? Is this true for any GPY PHY supported by > this driver? > > The internal state machine need almost 3s to fully restore to original state when leaving the loopback mode. > This is true for all models supported by this driver. > I will update the commit message and fix the target. > Thank you. When you state that it takes almost 3 seconds to fully restore the state, what are you basing that upon - what are you using to determine that the state has been fully restored? Thanks. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
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