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From: Raju Lakkaraju <Raju.Lakkaraju-dzo6w/eZyo2tG0bUXCXiUA@public.gmane.org>
To: Andrew Lunn <andrew-g2DYL2Zd6BY@public.gmane.org>
Cc: David Miller <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>,
	netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
	Allan.Nielsen-dzo6w/eZyo2tG0bUXCXiUA@public.gmane.org
Subject: Re: [PATCH v5 net-next] net: phy: Add Edge-rate driver for Microsemi PHYs.
Date: Tue, 4 Oct 2016 15:33:45 +0530	[thread overview]
Message-ID: <20161004100344.GA31709@microsemi.com> (raw)
In-Reply-To: <20161004065401.GA6097-g2DYL2Zd6BY@public.gmane.org>

Hi Andrew,

Thank you for comments. I will fix and send the patch.

Thanks,
Raju.

On Tue, Oct 04, 2016 at 08:54:01AM +0200, Andrew Lunn wrote:
> EXTERNAL EMAIL
> 
> 
> On Tue, Oct 04, 2016 at 12:48:59AM -0400, David Miller wrote:
> > From: Raju Lakkaraju <Raju.Lakkaraju-dzo6w/eZyo2tG0bUXCXiUA@public.gmane.org>
> > Date: Mon, 3 Oct 2016 12:53:13 +0530
> >
> > > From: Raju Lakkaraju <Raju.Lakkaraju-dzo6w/eZyo2tG0bUXCXiUA@public.gmane.org>
> > >
> > > Edge-rate:
> > > As system and networking speeds increase, a signal's output transition,
> > > also know as the edge rate or slew rate (V/ns), takes on greater importance
> > > because high-speed signals come with a price. That price is an assortment of
> > > interference problems like ringing on the line, signal overshoot and
> > > undershoot, extended signal settling times, crosstalk noise, transmission
> > > line reflections, false signal detection by the receiving device and
> > > electromagnetic interference (EMI) -- all of which can negate the potential
> > > gains designers are seeking when they try to increase system speeds through
> > > the use of higher performance logic devices. The fact is, faster signaling
> > > edge rates can cause a higher level of electrical noise or other type of
> > > interference that can actually lead to slower line speeds and lower maximum
> > > system frequencies. This parameter allow the board designers to change the
> > > driving strange, and thereby change the EMI behavioral.
> > >
> > > Edge-rate parameters (vddmac, edge-slowdown) get from Device Tree.
> > >
> > > Tested on Beaglebone Black with VSC 8531 PHY.
> > >
> > > Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju-dzo6w/eZyo2tG0bUXCXiUA@public.gmane.org>
> >
> > Applied, thanks.
> 
> Oh dear. It was not ready for acceptance yet. I guess you missed all
> the discussion because it was attached to the previous version of the
> patch.
> 
> Raju you now need to submit fixup patches relative to the version
> David has accepted, to fix the issues we were discussing.
> 

Accepted.

>       Andrew
> 
--
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WARNING: multiple messages have this Message-ID (diff)
From: Raju Lakkaraju <Raju.Lakkaraju-dzo6w/eZyo2tG0bUXCXiUA@public.gmane.org>
To: Andrew Lunn <andrew-g2DYL2Zd6BY@public.gmane.org>
Cc: David Miller <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>,
	<netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	<f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	<Allan.Nielsen-dzo6w/eZyo2tG0bUXCXiUA@public.gmane.org>
Subject: Re: [PATCH v5 net-next] net: phy: Add Edge-rate driver for Microsemi PHYs.
Date: Tue, 4 Oct 2016 15:33:45 +0530	[thread overview]
Message-ID: <20161004100344.GA31709@microsemi.com> (raw)
In-Reply-To: <20161004065401.GA6097-g2DYL2Zd6BY@public.gmane.org>

Hi Andrew,

Thank you for comments. I will fix and send the patch.

Thanks,
Raju.

On Tue, Oct 04, 2016 at 08:54:01AM +0200, Andrew Lunn wrote:
> EXTERNAL EMAIL
> 
> 
> On Tue, Oct 04, 2016 at 12:48:59AM -0400, David Miller wrote:
> > From: Raju Lakkaraju <Raju.Lakkaraju-dzo6w/eZyo2tG0bUXCXiUA@public.gmane.org>
> > Date: Mon, 3 Oct 2016 12:53:13 +0530
> >
> > > From: Raju Lakkaraju <Raju.Lakkaraju-dzo6w/eZyo2tG0bUXCXiUA@public.gmane.org>
> > >
> > > Edge-rate:
> > > As system and networking speeds increase, a signal's output transition,
> > > also know as the edge rate or slew rate (V/ns), takes on greater importance
> > > because high-speed signals come with a price. That price is an assortment of
> > > interference problems like ringing on the line, signal overshoot and
> > > undershoot, extended signal settling times, crosstalk noise, transmission
> > > line reflections, false signal detection by the receiving device and
> > > electromagnetic interference (EMI) -- all of which can negate the potential
> > > gains designers are seeking when they try to increase system speeds through
> > > the use of higher performance logic devices. The fact is, faster signaling
> > > edge rates can cause a higher level of electrical noise or other type of
> > > interference that can actually lead to slower line speeds and lower maximum
> > > system frequencies. This parameter allow the board designers to change the
> > > driving strange, and thereby change the EMI behavioral.
> > >
> > > Edge-rate parameters (vddmac, edge-slowdown) get from Device Tree.
> > >
> > > Tested on Beaglebone Black with VSC 8531 PHY.
> > >
> > > Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju-dzo6w/eZyo2tG0bUXCXiUA@public.gmane.org>
> >
> > Applied, thanks.
> 
> Oh dear. It was not ready for acceptance yet. I guess you missed all
> the discussion because it was attached to the previous version of the
> patch.
> 
> Raju you now need to submit fixup patches relative to the version
> David has accepted, to fix the issues we were discussing.
> 

Accepted.

>       Andrew
> 
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

  parent reply	other threads:[~2016-10-04 10:03 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-03  7:23 [PATCH v5 net-next] net: phy: Add Edge-rate driver for Microsemi PHYs Raju Lakkaraju
2016-10-03  7:23 ` Raju Lakkaraju
     [not found] ` <1475479393-24308-1-git-send-email-Raju.Lakkaraju-dzo6w/eZyo2tG0bUXCXiUA@public.gmane.org>
2016-10-04  4:48   ` David Miller
2016-10-04  6:54     ` Andrew Lunn
     [not found]       ` <20161004065401.GA6097-g2DYL2Zd6BY@public.gmane.org>
2016-10-04  7:01         ` David Miller
     [not found]           ` <20161004.030134.1142321103427028880.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2016-10-04  7:36             ` Andrew Lunn
2016-10-04 10:03         ` Raju Lakkaraju [this message]
2016-10-04 10:03           ` Raju Lakkaraju

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