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7187a0939a
In a future patch, the port I/O functions (`inb()`, `outb()`, and friends will only be declared in the `HAS_IOPORT` configuration option is enabled. The comedi_8255 module supports both port I/O and memory-mapped I/O. Conditionally compile the parts of the module that use port I/O if and only if the `CONFIG_HAS_IOPORT` macro is defined so that it can still be built if the port I/O functions have not been declared. If the `CONFIG_HAS_IOPORT` macro is undefined, replace the GPL-exported `subdev_8255_io_init()` function with a dummy static inline version that just returns `-ENXIO`. Cc: Arnd Bergmann <arnd@kernel.org> Cc: Niklas Schnelle <schnelle@linux.ibm.com> Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Link: https://lore.kernel.org/r/20230913170712.111719-8-abbotti@mev.co.uk Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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