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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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