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authorGabriel Krisman Bertazi <krisman@linux.vnet.ibm.com>2015-11-03 16:26:06 -0200
committerMartin K. Petersen <martin.petersen@oracle.com>2015-11-09 19:29:54 -0500
commitf41f1d994e0e2e0fab29c6f3f9c77350f1769166 (patch)
tree9e022081db5fa97f60d75bcf3477dc0e158d3d2a /firmware
parentf06fcc7155dcbcd9b697d499595a2c1a3945bda2 (diff)
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ipr: Add delay to ensure coherent dumps.
Add a holding pattern prior to collecting dump data, to wait for the IOA indication that the Mailbox register is stable and won't change without an explicit reset. This ensures we'll be collecting meaningful dump data, even when dumping right after an adapter reset. In the event of a timeout, we still force the dump, since a partial dump still might be useful. Signed-off-by: Gabriel Krisman Bertazi <krisman@linux.vnet.ibm.com> Acked-by: Brian King <brking@linux.vnet.ibm.com> Reviewed-by: Wen Xiong <wenxiong@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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