staging: comedi: addi_apci_3501: remove timer/counter subdevice support
This driver is for a simple 4/8 channel analog output board with 2 isolated digital inputs and 2 isolated digital outputs. Support for these subdevices is provided by the driver. The boards also has a watchdog timer that can be used to reset the analog outputs. It can also be used as a general purpose 12-bit timer when the watchdog function is not necessary. The current support code for this subdevice is broken. It does not follow the comedi API and requires some out-of-tree patches in order to even work. Remove the subdevice support. If a proper register map can be located for this board we can add support back later. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Reviewed-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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