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Ian Abbott e6c1ccaa71 comedi: add HAS_IOPORT dependencies again In a future patch HAS_IOPORT=n will result in inb()/outb() and friends not being declared. We thus need to add HAS_IOPORT as dependency for those drivers using them. This was previously done in commit `b5c75b68b7` ("comedi: add HAS_IOPORT dependencies"), but that has been reverted because it made it impossible to select configuration options for several comedi drivers. This is a do-over that avoids that. Since the original patch, modifications have been made to various comedi modules so that they can still be built even if the port I/O functions have not been declared, so the configuration options for building those modules no longer need to depend on HAS_IOPORT. Make the COMEDI_ISA_DRIVERS menu option (which allows configuration options for ISA and PC/104 drivers to be selected) depend on HAS_IOPORT, and also depend on ISA \|\| ISA_BUS \|\| PC104. Co-developed-by: Arnd Bergmann <arnd@kernel.org> Signed-off-by: Arnd Bergmann <arnd@kernel.org> Co-developed-by: Niklas Schnelle <schnelle@linux.ibm.com> Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com> 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/20230913170712.111719-14-abbotti@mev.co.uk Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2023-10-05 13:34:05 +02:00
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drivers	comedi: add HAS_IOPORT dependencies again	2023-10-05 13:34:05 +02:00
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include	comedi: comedi_8255: Conditionally remove I/O port support	2023-10-05 13:34:04 +02:00
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README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.