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Message-ID: <45354398.1000100@intel.com>
Date:	Tue, 17 Oct 2006 13:56:56 -0700
From:	Auke Kok <auke-jan.h.kok@...el.com>
To:	Jeff Garzik <jgarzik@...ox.com>
CC:	Linas Vepstas <linas@...tin.ibm.com>, akpm@...l.org,
	Jesse Brandeburg <jesse.brandeburg@...el.com>,
	linuxppc-dev@...abs.org, linux-pci@...ey.karlin.mff.cuni.cz,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] e1000: Reset all functions after a PCI error

Linas Vepstas wrote:
> Please apply and forward upstream.

ACK

Jeff, please apply on top of today's fixes.

Auke


> --linas
> 
> During the handling of the PCI error recovery sequence,
> the current e1000 driver erroneously blocks a device reset
> for any but the first PCI function. It shouldn't -- this 
> is a cut-n-paste error from a different driver (which
> tolerated only one hardware reset per hardware card). 
> 
> Signed-off-by: Linas Vepstas <linas@...tin.ibm.com>
> Cc: Jesse Brandeburg <jesse.brandeburg@...el.com>
> Cc: Auke Kok <auke-jan.h.kok@...el.com>
> 
> ----
>  drivers/net/e1000/e1000_main.c |    4 ----
>  1 file changed, 4 deletions(-)
> 
> Index: linux-2.6.19-rc1-git11/drivers/net/e1000/e1000_main.c
> ===================================================================
> --- linux-2.6.19-rc1-git11.orig/drivers/net/e1000/e1000_main.c	2006-10-17 15:02:25.000000000 -0500
> +++ linux-2.6.19-rc1-git11/drivers/net/e1000/e1000_main.c	2006-10-17 15:03:35.000000000 -0500
> @@ -4914,10 +4914,6 @@ static pci_ers_result_t e1000_io_slot_re
>  	pci_enable_wake(pdev, PCI_D3hot, 0);
>  	pci_enable_wake(pdev, PCI_D3cold, 0);
>  
> -	/* Perform card reset only on one instance of the card */
> -	if (PCI_FUNC (pdev->devfn) != 0)
> -		return PCI_ERS_RESULT_RECOVERED;
> -
>  	e1000_reset(adapter);
>  	E1000_WRITE_REG(&adapter->hw, WUS, ~0);
>  
-
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