netdev - Re: [BUG] powerpc does not save msi state [was Re: [PATCH 5/7] pci: Export the pci_restore_msi

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Message-Id: <1193001196.6745.36.camel@pasglop>
Date:	Mon, 22 Oct 2007 07:13:16 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	michael@...erman.id.au
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	mcarlson@...adcom.com, linuxppc-dev@...abs.org, mchan@...adcom.com,
	linux-pci@...ey.karlin.mff.cuni.cz
Subject: Re: [BUG] powerpc does not save msi state [was Re: [PATCH 5/7]
	pci: Export the pci_restore_msi_state() function


> That's a pity, but AFAIK it shouldn't be a problem because we don't
> enable CONFIG_PM on those machines anyway. If we ever want to we'll need
> to sort out with firmware how that will work WRT restoring MSI state.

I think the current generic code for pci_restore_msi_state() or whatever
it's called wilol directly call into write_msi_msg() etc... might be a
problem.

Ben.


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