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99224c151c
With LLVM prior to 17.0.0:
drivers/pinctrl/pinctrl-mpfs-iomux0.c:89:2: error: initializer element is not a compile-time constant
MPFS_IOMUX0_GROUP(spi0),
^~~~~~~~~~~~~~~~~~~~~~~
drivers/pinctrl/pinctrl-mpfs-iomux0.c:79:10: note: expanded from macro 'MPFS_IOMUX0_GROUP'
.mask = BIT(mpfs_iomux0_##_name##_pins[0]), \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/vdso/bits.h:7:19: note: expanded from macro 'BIT'
\#define BIT(nr) (UL(1) << (nr))
^~~~~~~~~~~~~~~
This is a constant, but LLVM prior to a change from Nick to match the
gcc behaviour did not allow this. The macro isn't really all that much
of an idiot-proofing, just change it to the same sort that's in the
gpio2 driver, where a second argument provides the mask/setting.
Reported-by: Nathan Chancellor <nathan@kernel.org>
Link: https://github.com/ClangBuiltLinux/linux/issues/2140
Fixes: 46397274da22 ("pinctrl: add polarfire soc iomux0 pinmux driver")
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.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.