On Tuesday, June 25, 2013 07:22:04 PM Mika Westerberg wrote: > Hi all, > > This is the second iteration of the patches first posted here quite a while > ago: > > https://lkml.org/lkml/2012/12/13/589 > > With Thunderbolt devices we might see pretty complex PCIe hierarchies that > the current ACPI hotplug code was not able to handle properly but instead > failed to scan the whole hierarchy. This series tries to address these > problems. In addition to that there's a possibility that only part of the > chain is disconnected so we don't want to leave behind stale PCI devices. > > We have tested this on Acer Aspire S5 with the largest chain looking like > this: > > PC +--+ eSata Hub #0 +--+ eSata Hub #1 +--+ Apple Thunderbolt display +--+ Apple ethernet dongle > > There are still problems with different device drivers because of the > surprise hotplug nature of Thunderbolt, causing occasional hangs and > failures that should be fixed per-driver later on (not addressed in this > series). > > Currently Thunderbolt on Apple hardware like Macbooks is not yet supported > as they use some different mechanism than ACPI events to trigger hotplug > events. > > The series is based on linux-pm.git/linux-next. > > Kirill A. Shutemov (4): > PCI: acpiphp: do not check for SLOT_ENABLED in enable_device() > PCI: acpiphp: enable_device(): rescan even if no new devices on slot > PCI: introduce pci_trim_stale_devices() > PCI: acpiphp: check for new devices on enabled host > > Mika Westerberg (2): > PCI: acpiphp: look _RMV method a bit deeper in the hierarhcy > x86/PCI: quirk Thunderbolt PCI-to-PCI bridges > > arch/x86/pci/fixup.c | 51 ++++++++++++++++++++++++ > drivers/pci/hotplug/acpi_pcihp.c | 53 ++++++++++++++++++++++--- > drivers/pci/hotplug/acpiphp_glue.c | 79 +++++++++++++++++--------------------- > drivers/pci/remove.c | 20 ++++++++++ > include/linux/pci.h | 1 + > 5 files changed, 156 insertions(+), 48 deletions(-) Would you please CC things touching ACPIPHP to linux-acpi? Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
