Re: MSI: Use correct data offset for 32-bit MSI in read_msi_msg()

[Roland Dreier]

 > > While reading the MSI code trying to find a reason why MSI wouldn't
 > > work for devices that have a 32-bit MSI address capability, I noticed
 > > that read_msi_msg() seems to read the message data from the wrong
 > > offset in this case.
 > 
 > Doh!  Sorry about that.

Doesn't matter, it wasn't the bug hitting me anyway :) the IRQ never
got affinity changed so read_msi_msg() never even got called.

I'm starting to think that Intel 945GM graphics just has a busted MSI
implementation, although there may be a bug hiding in the Linux code
that I'm not seeing.

 - R.
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