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[ Upstream commit8f2fa4726f] Switch the jc42 driver to use an I2C regmap to access the registers. Also move over to regmap's built-in caching instead of adding a custom caching implementation. This works for JC42_REG_TEMP_UPPER, JC42_REG_TEMP_LOWER and JC42_REG_TEMP_CRITICAL as these values never change except when explicitly written. The cache For JC42_REG_TEMP is dropped (regmap can't cache it because it's volatile, meaning it can change at any time) as well for simplicity and consistency with other drivers. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Link: https://lore.kernel.org/r/20221023213157.11078-2-martin.blumenstingl@googlemail.com Signed-off-by: Guenter Roeck <linux@roeck-us.net> Stable-dep-of:084ed144c4("hwmon: (jc42) Restore the min/max/critical temperatures on resume") 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.