linux-kernel - Re: restore missing PCI registers after reset

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Date:	Wed, 26 Jul 2006 19:32:26 +0300
From:	"Michael S. Tsirkin" <mst@...lanox.co.il>
To:	Greg KH <gregkh@...e.de>
Cc:	linux-kernel@...r.kernel.org, openib-general@...nib.org,
	Roland Dreier <rolandd@...co.com>,
	Justin Forbes <jmforbes@...uxtx.org>,
	Zwane Mwaikambo <zwane@....linux.org.uk>,
	Theodore Ts'o <tytso@....edu>,
	Randy Dunlap <rdunlap@...otime.net>,
	Dave Jones <davej@...hat.com>,
	Chuck Wolber <chuckw@...ntumlinux.com>,
	Chris Wedgwood <reviews@...cw.f00f.org>, torvalds@...l.org,
	akpm@...l.org, alan@...rguk.ukuu.org.uk,
	Chris Wright <chrisw@...s-sol.org>
Subject: Re: restore missing PCI registers after reset

Quoting r. Greg KH <gregkh@...e.de>:
> I think pci_restore_state() already restores the msi and msix state,
> take a look at the latest kernel version :)

Yes, I know :)
but I am not talking abotu MSI/MSI-X, I am talking about the following:
> > >   PCI-X device: PCI-X command register
> > >   PCI-X bridge: upstream and downstream split transaction registers
> > >   PCI Express : PCI Express device control and link control registers

these register values include maxumum MTU for PCI express and other vital
data.

-- 
MST
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