Re: [PATCH v8 22/22] PCI: move device_add out of pci_bus_add_device()

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

 



On Monday, January 14, 2013 11:10:36 PM Yinghai Lu wrote:
> On Sat, Jan 12, 2013 at 3:54 PM, Rafael J. Wysocki <rjw@xxxxxxx> wrote:
> >> Move out device registering out of pci_bus_add_devices, so we could
> >> put new created pci devices in device tree early.
> >>
> >> new pci_bus_add_devices will do the device_attach work to load pci drivers
> >> instead.
> >
> > I wonder what problem it solves?
> 
> we want to put created pci device in the device tree as soon as possible.
> so for_pci_dev will not miss them.
> 
> but at that time, we can not load driver for them yet. need to after
> pci_assign_unsigned_resources etc to make sure all pci devices get
> resource allocated at first.
> 
> so only move adding to device tree early, and leave loading driver on
> the old places.

I see, thanks.

Perhaps you can put that explanation into the changelog? It would help people
to understand the reason for the change in the future.

Thanks,
Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
--
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


[Index of Archives]     [DMA Engine]     [Linux Coverity]     [Linux USB]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Greybus]

  Powered by Linux