On Fri, Dec 29, 2017 at 9:13 PM, William Breathitt Gray
> The ISA_BUS_API Kconfig option enables the compilation of the ISA bus
> driver. The ISA bus driver does not perform any hardware interaction,
> and is instead just a thin layer of software abstraction to eliminate
> boilerplate code common to ISA-style device drivers. Since ISA_BUS_API
> has no dependencies and does not jeopardize the integrity of the system
> when enabled, drivers should select it when the ISA bus driver
> functionality is needed.
> Cc: Jonathan Cameron <ji...@kernel.org>
> Cc: Hartmut Knaack <knaac...@gmx.de>
> Cc: Lars-Peter Clausen <l...@metafoo.de>
> Cc: Peter Meerwald-Stadler <pme...@pmeerw.net>
> Signed-off-by: William Breathitt Gray <vilhelm.g...@gmail.com>
Patch applied to the GPIO tree for v4.17.