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On i386, when CONFIG_X86_INTEL_CE=y # CONFIG_SERIAL_8250 is not set it will try to compile the driver and use the stub simultaneously. This breaks the build. Fix it by making sure that the driver compiles only when CONFIG_SERIAL_8250 is also enabled. On top of that ensure that CONFIG_SERIAL_8250 is actually set to 'y' and not 'm' as the later makes no sense for this platform. The hook may only be applied during early boot. Fixes:acc902de05("serial: 8250: Move CE4100 quirks to a module under 8250 driver") Fixes:5ec6960f6f("ce4100: Add errata fixes for UART on CE4100") Reported-by: Randy Dunlap <rdunlap@infradead.org> Closes: https://lore.kernel.org/r/cdf4ee46-7bf8-4379-9245-fed9db72e7e8@infradead.org Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Link: https://lore.kernel.org/r/20250716142412.1667927-1-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 reStructuredText 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.