From 7441b0627e2251370902305a204e1330a696ca04 Mon Sep 17 00:00:00 2001 From: Jan Glauber Date: Thu, 29 Nov 2012 14:35:47 +0100 Subject: 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//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 Signed-off-by: Martin Schwidefsky --- drivers/pci/hotplug/Kconfig | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'drivers/pci/hotplug/Kconfig') diff --git a/drivers/pci/hotplug/Kconfig b/drivers/pci/hotplug/Kconfig index b0e46dede1a9..13e9e63a7266 100644 --- a/drivers/pci/hotplug/Kconfig +++ b/drivers/pci/hotplug/Kconfig @@ -151,4 +151,15 @@ config HOTPLUG_PCI_SGI When in doubt, say N. +config HOTPLUG_PCI_S390 + tristate "System z PCI Hotplug Support" + depends on S390 && 64BIT + help + Say Y here if you want to use the System z PCI Hotplug + driver for PCI devices. Without this driver it is not + possible to access stand-by PCI functions nor to deconfigure + PCI functions. + + When in doubt, say Y. + endif # HOTPLUG_PCI -- cgit v1.2.3