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What: /sys/bus/platform/devices/.../driver_override
Date: April 2014
Contact: Kim Phillips <kim.phillips@freescale.com>
Description:
This file allows the driver for a device to be specified which
will override standard OF, ACPI, ID table, and name matching.
When specified, only a driver with a name matching the value
written to driver_override will have an opportunity to bind
to the device. The override is specified by writing a string
to the driver_override file (echo vfio-platform > \
driver_override) and may be cleared with an empty string
(echo > driver_override). This returns the device to standard
matching rules binding. Writing to driver_override does not
automatically unbind the device from its current driver or make
any attempt to automatically load the specified driver. If no
driver with a matching name is currently loaded in the kernel,
the device will not bind to any driver. This also allows
devices to opt-out of driver binding using a driver_override
name such as "none". Only a single driver may be specified in
the override, there is no support for parsing delimiters.
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