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powerpc/powernv: Handle PCI-X/PCIe reset delay
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Mon, 19 Sep 2011 17:45:07 +0000 (17:45 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Tue, 20 Sep 2011 06:12:54 +0000 (16:12 +1000)
The firmware doesn't wait after lifting the PCI reset. However it does
timestamp it in the device tree. We use that to ensure we wait long
enough (3s is our current arbitrary setting) from that timestamp to
actually probing the bus.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

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