linux-kernel - Re: tip: origin tree boot crash (in the new micrel phy driver)

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Message-ID: <20100506104439.GA29100@elte.hu>
Date:	Thu, 6 May 2010 12:44:39 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	David Miller <davem@...emloft.net>
Cc:	david.choi@...rel.com, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: tip: origin tree boot crash (in the new micrel phy driver)


* David Miller <davem@...emloft.net> wrote:

> From: David Miller <davem@...emloft.net>
> Date: Thu, 06 May 2010 03:10:40 -0700 (PDT)
> 
> > From: Ingo Molnar <mingo@...e.hu>
> > Date: Thu, 6 May 2010 11:59:40 +0200
> > 
> >> I bisected it back to the following commit:
> >> 
> >> d05070091849015f8c5b7d55cd75b86ebb61b3ec is the first bad commit
> >> commit d05070091849015f8c5b7d55cd75b86ebb61b3ec
> >> Author: David J. Choi <david.choi@...rel.com>
> >> Date:   Thu Apr 29 06:12:41 2010 +0000
> >> 
> >>     drivers/net/phy: micrel phy driver
>  ...
> >> Disabling the driver fixes the crash.
> > 
> > David please fix this crash, thanks.
> 
> Nevermind, Ingo please test this fix:
> 
> diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
> index 0cd80e4..e67691d 100644
> --- a/drivers/net/phy/micrel.c
> +++ b/drivers/net/phy/micrel.c
> @@ -32,6 +32,7 @@ static int kszphy_config_init(struct phy_device *phydev)
>  
>  static struct phy_driver ks8001_driver = {
>  	.phy_id		= PHY_ID_KS8001,
> +	.name		= "Micrel KS8001",
>  	.phy_id_mask	= 0x00fffff0,
>  	.features	= PHY_BASIC_FEATURES,
>  	.flags		= PHY_POLL,

This fixes the crash, thanks Dave!

Tested-by: Ingo Molnar <mingo@...e.hu>

	Ingo
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