From mboxrd@z Thu Jan 1 00:00:00 1970 From: jason@lakedaemon.net (Jason Cooper) Date: Fri, 4 Oct 2013 09:53:45 -0400 Subject: Arm PCIe hotplugging In-Reply-To: References: Message-ID: <20131004135345.GA31178@titan.lakedaemon.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Matthew, Please Cc: the relevant maintainers, it helps us pick out emails needing our attention out of the noise ;-) I've added them to this reply. thx, Jason. On Fri, Oct 04, 2013 at 02:14:34PM +0100, Matthew Minter wrote: > Hi again, > > I have been doing some work with an Armada XP board (DB-MV784MP-GP) > with PCIe support, along with using a PEX 8614 (AA) PCIe switch. The > switch in question is said to have hot plug support with the PCIe > downstream slots. > > However using both the generic "pcieport" and the proprietary kernel > module used by PLX (this took some work to run on an ARM board and is > very buggy on the platform buggy so the generic in tree drivers are > preferable) the /sys/bus/pci/slots/ directory is always empty and > /sys/bus/pci/rescan seems to do nothing. > > Looking closer it seems that in the ARM kernel the PCI hotplug code is > all disabled. Am I just out of luck and should wait until there is a > new driver for the PCI switch's hot plug controller and a general hot > plug framework for ARM or is there some kind of work around? > > Best regards, > Matthew > > -- > > > ------------------------------ > For additional information including the registered office and the treatment of Xyratex confidential information please visit www.xyratex.com > > ------------------------------ > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel