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commitd37623132aupstream. Attempting to load the pci-idio-16 module fails during regmap initialization with a return error -EINVAL. This is a result of the regmap cache failing initialization. Set the idio_16_regmap_config max_register member to fix this failure. Fixes:73d8f3efc5("gpio: pci-idio-16: Migrate to the regmap API") Reported-by: Mark Cave-Ayland <mark.caveayland@nutanix.com> Closes: https://lore.kernel.org/r/9b0375fd-235f-4ee1-a7fa-daca296ef6bf@nutanix.com Suggested-by: Mark Cave-Ayland <mark.caveayland@nutanix.com> Cc: stable@vger.kernel.org Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: William Breathitt Gray <wbg@kernel.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20251020-fix-gpio-idio-16-regmap-v2-2-ebeb50e93c33@kernel.org Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> 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.