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From: David Miller <davem@davemloft.net>
To: sylvain.rochet@finsecur.com
Cc: f.fainelli@gmail.com, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, nicolas.ferre@atmel.com,
	alexandre.belloni@free-electrons.com, voice.shen@atmel.com,
	josh.wu@atmel.com, ludovic.desroches@atmel.com,
	boris.brezillon@free-electrons.com
Subject: Re: [PATCH] net: phy: micrel: disable NAND-tree for KSZ8021,KSZ8031,KSZ8051,KSZ8081
Date: Sat, 14 Feb 2015 20:31:39 -0800 (PST)	[thread overview]
Message-ID: <20150214.203139.1139744729261595659.davem@davemloft.net> (raw)
In-Reply-To: <1423859733-21456-1-git-send-email-sylvain.rochet@finsecur.com>

From: Sylvain Rochet <sylvain.rochet@finsecur.com>
Date: Fri, 13 Feb 2015 21:35:33 +0100

> NAND-tree is used to check wiring between MAC and PHY using NAND gates
> on the PHY side, hence the name.
> 
> NAND-tree initial status is latched at reset by probing the IRQ pin.
> However some devices are sharing the PHY IRQ pin with other peripherals
> such as Atmel SAMA5D[34]x-EK boards when using the optional TM7000
> display module, therefore they are switching the PHY in NAND-tree test
> mode depending on the current IRQ line status at reset.
> 
> This patch ensure PHY is not in NAND-tree test mode for all Micrel PHYs
> using IRQ line as a NAND-tree toggle mode at reset.
> 
> Signed-off-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>

Applied.

      reply	other threads:[~2015-02-15  4:31 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-13 20:35 [PATCH] net: phy: micrel: disable NAND-tree for KSZ8021,KSZ8031,KSZ8051,KSZ8081 Sylvain Rochet
2015-02-15  4:31 ` David Miller [this message]

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