From: Jan Glauber <jang@linux.vnet.ibm.com>
Date: Thu, 29 Nov 2012 13:35:47 +0000 (+0100)
Subject: s390/pci: PCI hotplug support via SCLP
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~29^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7441b0627e2251370902305a204e1330a696ca04;p=pandora-kernel.git

s390/pci: PCI hotplug support via SCLP

Add SCLP PCI configure/deconfigure and implement a PCI hotplug
controller (s390_pci_hpc). The hotplug controller creates a slot
for every PCI function in stand-by or configured state. The PCI
functions are named after the PCI function ID (fid). By writing to
the power attribute in /sys/bus/pci/slots/<fid>/power the PCI function
is moved to stand-by or configured state. If moved to the configured
state the device is automatically scanned by the s390 PCI layer.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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