Re: [RFC][PATCH 1/1] check for pci bar restore completion and retry

From: Jesse Barnes
Date: Tue Jan 24 2012 - 11:37:03 EST


On Mon, 23 Jan 2012 15:55:55 -0800
"Kay, Allen M" <allen.m.kay@xxxxxxxxx> wrote:

> On some OEM systems, pci_restore_state() is called while FLR has not yet
> completed. As a result, PCI BAR register restore is not successful. This fix
> reads back the restored value and compares it with saved value and re-tries
> 10 times before giving up.

But shouldn't we be doing this wait in the FLR code instead?

--
Jesse Barnes, Intel Open Source Technology Center

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