Re: [RFC PATCH v5_v2 01/11] driver core: platform: add device binding path 'driver_override'

[Alexander Graf <agraf-l3A5Bk7waGM@public.gmane.org>]

On 29.05.14 21:43, Alex Williamson wrote:
> On Tue, 2014-05-20 at 19:25 -0500, Kim Phillips wrote:
>> From: Kim Phillips <kim.phillips-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
>>
>> Needed by platform device drivers, such as the vfio-platform driver
>> later in series, in order to bypass the existing OF, ACPI, id_table and
>> name string matches, and successfully be able to be bound to any
>> device, like so:
>>
>> echo vfio-platform > /sys/bus/platform/devices/fff51000.ethernet/driver_override
>> echo fff51000.ethernet > /sys/bus/platform/devices/fff51000.ethernet/driver/unbind
>> echo fff51000.ethernet > /sys/bus/platform/drivers_probe
>>
>> This mimics "PCI: Introduce new device binding path using
>> pci_dev.driver_override" [1], which is an interface enhancement
>> for more deterministic PCI device binding, e.g., when in the
>> presence of hotplug.
>>
>> [1] https://lists.cs.columbia.edu/pipermail/kvmarm/2014-May/009527.html
>>
>> Suggested-by: Alex Williamson <alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
>> Signed-off-by: Kim Phillips <kim.phillips-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
> Looks largely identical to the PCI version of the same that has been
> accepted for v3.16 and ack'd by GregKH.
>
> Reviewed-by: Alex Williamson <alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

Yup, would be great to have feature parity for device binding on 
platform and PCI.

Reviewed-by: Alexander Graf <agraf-l3A5Bk7waGM@public.gmane.org>


Alex