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[ Upstream commitb8c768ccdd] For regcache_sync_region, we need to use pca953x_recalc_addr() to get the real register address. Fixes:ec82d1eba3("gpio: pca953x: Zap ad-hoc reg_output cache") Fixes:0f25fda840("gpio: pca953x: Zap ad-hoc reg_direction cache") Signed-off-by: Haibo Chen <haibo.chen@nxp.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl> 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.