Re: [PATCH v2 3/8] PCI: acpiphp: enable_device(): rescan even if no new devices on slot

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Jul 11, 2013 at 02:25:42AM +0200, Rafael J. Wysocki wrote:
> On Wednesday, July 03, 2013 05:04:50 PM Mika Westerberg wrote:
> > From: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
> > 
> > pci_scan_slot() returns number of new devices connected *directly*
> > connected to the slot. Current enable_device() checks the return value
> > and stops if it doesn't see a new device.
> > 
> > In Thunderbolt chaining case the new device can be deeper in hierarchy, so
> > do the rescan anyway.
> > 
> > Because of that we must make sure that pcibios_resource_survey_bus() and
> > check_hotplug_bridge() get called only for a just found bus and not the
> > ones already added to the system. Failure to do so will lead to resource
> > conflicts.
> 
> Well, I wonder what we're doing to this end, because there's nothing in that
> area in the patch?

We forgot to update the changelog of this patch. The last paragraph should
not be there.
--
To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux IBM ACPI]     [Linux Power Management]     [Linux Kernel]     [Linux Laptop]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

  Powered by Linux