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

[Alexander Graf]

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@xxxxxxxxxxxxx>
> >
> > 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@xxxxxxxxxx>
> > Signed-off-by: Kim Phillips <kim.phillips@xxxxxxxxxxxxx>
> 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@xxxxxxxxxx>

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

Reviewed-by: Alexander Graf <agraf@xxxxxxx>


Alex

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