162306a36Sopenharmony_ciWhat:		/sys/bus/amba/devices/.../driver_override
262306a36Sopenharmony_ciDate:		September 2014
362306a36Sopenharmony_ciContact:	Antonios Motakis <a.motakis@virtualopensystems.com>
462306a36Sopenharmony_ciDescription:
562306a36Sopenharmony_ci		This file allows the driver for a device to be specified which
662306a36Sopenharmony_ci		will override standard OF, ACPI, ID table, and name matching.
762306a36Sopenharmony_ci		When specified, only a driver with a name matching the value
862306a36Sopenharmony_ci		written to driver_override will have an opportunity to bind to
962306a36Sopenharmony_ci		the device. The override is specified by writing a string to the
1062306a36Sopenharmony_ci		driver_override file (echo vfio-amba > driver_override)	and may
1162306a36Sopenharmony_ci		be cleared with an empty string (echo > driver_override).
1262306a36Sopenharmony_ci		This returns the device to standard matching rules binding.
1362306a36Sopenharmony_ci		Writing to driver_override does not automatically unbind the
1462306a36Sopenharmony_ci		device from its current driver or make any attempt to
1562306a36Sopenharmony_ci		automatically load the specified driver. If no driver with a
1662306a36Sopenharmony_ci		matching name is currently loaded in the kernel, the device will
1762306a36Sopenharmony_ci		not bind to any driver. This also allows devices to opt-out of
1862306a36Sopenharmony_ci		driver binding using a driver_override name such as "none".
1962306a36Sopenharmony_ci		Only a single driver may be specified in the override, there is
2062306a36Sopenharmony_ci		no support for parsing delimiters.
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