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

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Date:	Sat, 20 Oct 2007 11:29:40 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Linas Vepstas <linas@...tin.ibm.com>
Cc:	David Miller <davem@...emloft.net>, linuxppc-dev@...abs.org,
	netdev@...r.kernel.org, linux-pci@...ey.karlin.mff.cuni.cz,
	mcarlson@...adcom.com, mchan@...adcom.com,
	Michael Ellerman <ellerman@....ibm.com>
Subject: Re: [BUG] powerpc does not save msi state [was Re: [PATCH 5/7]
	pci: Export the pci_restore_msi_state() function


> I'm cc'ing the powerpc mailing list to point this out: 
> it looks like only cell/axon_msi.c and mpic_u3msi.c 
> bother do do anything.  I guess that there aren't any old 
> macintosh laptops that have msi on them? Because without
> this, suspend and resume breaks.

The only macs that can do any form of MSIs are the G5s using
mpic_u3msi.c

> Paul,
> On the off chance your reading this, I'll send a pseries
> patch on Monday, with luck (and some other patches too).
> I'm not touching any of the other plaforms, you and benh 
> would know those better.

Or rather Michael as he wrote the ppc MSI support. I'll check with him

Ben.


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