On Tue, Feb 13, 2018 at 06:43:00PM +0100, Rafael J. Wysocki wrote: > On Tue, Feb 13, 2018 at 5:31 PM, Mika Westerberg > <mika.westerberg@xxxxxxxxxxxxxxx> wrote: > > When distributing extra buses between hotplug bridges we need to make > > sure each bridge reserve at least one bus number, even if there is > > currently nothing connected to it. For instance ACPI hotplug may bring > > in additional devices to non-hotplug bridges later on. To make sure we > > don't run out of bus numbers for non-hotplug bridges reserve one bus > > number for them upfront before distributing buses for hotplug bridges. > > > > Fixes: 1c02ea810065 ("PCI: Distribute available buses to hotplug-capable bridges") > > Reported-by: Mario Limonciello <mario.limonciello@xxxxxxxx> > > Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx> > > Cc: stable@xxxxxxxxxxxxxxx > > Just a few notation-related nits below. Thanks for the comments! I'll update the patch accordingly.