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From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: "Lothar Waßmann" <LW@KARO-electronics.de>
Cc: "Andrew Lunn" <andrew@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	"Fabio Estevam" <fabio.estevam@freescale.com>,
	"Greg Ungerer" <gerg@uclinux.org>,
	"Kevin Hao" <haokexin@gmail.com>,
	"Lucas Stach" <l.stach@pengutronix.de>,
	"Nimrod Andy" <B38611@freescale.com>,
	"Philippe Reynes" <tremyfr@gmail.com>,
	"Richard Cochran" <richardcochran@gmail.com>,
	"Sascha Hauer" <s.hauer@pengutronix.de>,
	"Stefan Agner" <stefan@agner.ch>,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	"Jeff Kirsher" <jeffrey.t.kirsher@intel.com>,
	"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
	"Ian Campbell" <ijc+devicetree@hellion.org.uk>,
	"Kumar Gala" <galak@codeaurora.org>,
	"Mark Rutland" <mark.rutland@arm.com>,
	"Pawel Moll" <pawel.moll@arm.com>,
	"Rob Herring" <robh+dt@kernel.org>,
	"Sascha Hauer" <kernel@pengutronix.de>,
	"Shawn Guo" <shawnguo@kernel.org>,
	devicetree@vger.kernel.org
Subject: Re: [PATCHv2 0/2] net: fec: Reset ethernet PHY whenever the enet_out clock is being enabled
Date: Tue, 12 Jan 2016 15:24:05 +0000	[thread overview]
Message-ID: <20160112152405.GZ19062@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1452611876-451-1-git-send-email-LW@KARO-electronics.de>

On Tue, Jan 12, 2016 at 04:17:54PM +0100, Lothar Waßmann wrote:
> This patchset fixes a regression introduced by
> commit e8fcfcd5684a ("net: fec: optimize the clock management to save power")
> for ethernet PHYs that are using ENET_OUT as reference clock (on i.MX6 or i.MX28)
> 
> Changes vs. v1:
> - fixed reference to the commit that introduced the regression.
> - dropped patch to use gpiod framework. This should be added later,
>   after the affected DTBs have been updated to specify the correct
>   gpio_flags.
> 
> Patch overview:
> 1. cleanup patch to remove redundant NULL checks
> 2. call fec_reset_phy() after the ENET_OUT clock has been enabled

I definitely want to test these on my SolidRun boards before these get
merged: the AR8035 on there is configured via pin-straps, and then
further tweaked with PHY quirks.  Resetting with the iMX6 in the
wrong state may result in the AR8035 being reconfigured (even jumping
to a different MDIO address) and certainly would need the PHY quirks
re-running.

-- 
RMK's Patch system: http://www.arm.linux.org.uk/developer/patches/
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.

  parent reply	other threads:[~2016-01-12 15:24 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-12 15:17 [PATCHv2 0/2] net: fec: Reset ethernet PHY whenever the enet_out clock is being enabled Lothar Waßmann
2016-01-12 15:17 ` [PATCHv2 1/2] remove redundant struct clk NULL checks Lothar Waßmann
     [not found]   ` <1452611876-451-2-git-send-email-LW-bxm8fMRDkQLDiMYJYoSAnRvVK+yQ3ZXh@public.gmane.org>
2016-01-12 15:17     ` [PATCHv2 2/2] net: fec: Reset ethernet PHY whenever the enet_out clock is being enabled Lothar Waßmann
2016-01-12 15:17   ` Lothar Waßmann
2016-01-12 15:28     ` Lucas Stach
2016-01-12 15:25   ` [PATCHv2 1/2] remove redundant struct clk NULL checks Lucas Stach
     [not found] ` <1452611876-451-1-git-send-email-LW-bxm8fMRDkQLDiMYJYoSAnRvVK+yQ3ZXh@public.gmane.org>
2016-01-12 15:17   ` Lothar Waßmann
2016-01-12 15:24 ` Russell King - ARM Linux [this message]
2016-01-12 16:04   ` [PATCHv2 0/2] net: fec: Reset ethernet PHY whenever the enet_out clock is being enabled Lothar Waßmann
2016-01-12 20:30     ` Uwe Kleine-König
2016-09-26 15:37       ` Jörg Krause
  -- strict thread matches above, loose matches on Subject: below --
2016-01-12 15:17 Lothar Waßmann

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