netdev - Re: ravb: Possible Regression In "net: phy: Avoid polling PHY with PHY_IGNORE

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Date:	Tue, 16 Feb 2016 14:12:25 +0900
From:	Simon Horman <horms@...ge.net.au>
To:	Florian Fainelli <f.fainelli@...il.com>
Cc:	netdev@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	Magnus Damm <magnus.damm@...il.com>,
	Andrew Lunn <andrew@...n.ch>
Subject: Re: ravb: Possible Regression In "net: phy: Avoid polling PHY with
 PHY_IGNORE_INTERRUPTS"

Hi Florian,

On Mon, Feb 15, 2016 at 09:08:46PM -0800, Florian Fainelli wrote:
> On February 15, 2016 7:26:46 PM PST, Simon Horman <horms@...ge.net.au> wrote:
> >Hi Florian,
> >
> >I have observed what appears to be a regression in the ravb ethernet
> >driver
> >caused by d5c3d84657db ("net: phy: Avoid polling PHY with
> >PHY_IGNORE_INTERRUPTS").
> >
> >When booting net-next configured with the ARM64 defconfig on the
> >Renesas
> >r8a7795/salvator-x I see the following and the ravb is unable to access
> >the
> >network. With the above mentioned patch reverted I am able to boot to
> >user-space using nfsroot.
> 
> Thanks for the report, I will take a closer look tomorrow, can you test patches easily on top of 4.5-rc on this platform?

Thanks.

Yes, I can easily test patches. The platform is supported in mainline as of
v4.5-rc (this problem aside) and I have access to a board.