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[ Upstream commit11e299de3a] gcc has a hard time tracking whether BUG_ON(1) ends execution or not: drivers/gpio/gpio-aspeed-sgpio.c: In function 'bank_reg': drivers/gpio/gpio-aspeed-sgpio.c:112:1: error: control reaches end of non-void function [-Werror=return-type] Use the simpler BUG() that gcc knows cannot continue. Fixes:f8b410e369("gpio: aspeed-sgpio: Rename and add Kconfig/Makefile") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Andrew Jeffery <andrew@aj.id.au> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Sasha Levin <sashal@kernel.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 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.