From: Sebastian Ott <sebott@linux.vnet.ibm.com>
Date: Thu, 29 Aug 2013 17:38:33 +0000 (+0200)
Subject: s390/pci: try harder to modify a function
X-Git-Tag: v3.12-rc1~187^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d03abe5882cc4815bf98c0e01a1deafa4a5d6730;p=pandora-kernel.git

s390/pci: try harder to modify a function

In rare situations a PCI function can report a busy condition
when we issue the modify pci function command. A temporary busy
condition can exceed 1 second but not 2 seconds. Increase the
time until we report an error to 2 seconds. Also increase the
time we sleep between the retries to reduce the load in this
case.

Suggested-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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