Gavin Shan 357b2f3dd9
powerpc/eeh: Dump PE location code ...
As Ben suggested, it's meaningful to dump PE's location code
for site engineers when hitting EEH errors. The patch introduces
function eeh_pe_loc_get() to retireve the location code from
dev-tree so that we can output it when hitting EEH errors.
If primary PE bus is root bus, the PHB's dev-node would be tried
prior to root port's dev-node. Otherwise, the upstream bridge's
dev-node of the primary PE bus will be check for the location code
directly.
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com >
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org >
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Gavin Shan
357b2f3dd9