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commitdb27f8294cchanged eco_mode << (ffs(sreg->eco_mode_mask) - 1) to sreg->eco_mode_mask << (ffs(sreg->eco_mode_mask) - 1) which is wrong. Fix it by simply set val = sreg->eco_mode_mask. In additional, sreg->eco_mode_mask can be 0 (LDO3, LDO33, LDO34). Return -EINVAL if idle mode is not supported when sreg->eco_mode_mask is 0. While at it, also use unsigned int for reg_val/val which is the expected type for regmap_read and regmap_update_bits. Fixes:db27f8294c("staging: regulator: hi6421v600-regulator: use shorter names for OF properties") Signed-off-by: Axel Lin <axel.lin@ingics.com> Link: https://lore.kernel.org/r/20210619123423.4091429-1-axel.lin@ingics.com Signed-off-by: Mark Brown <broonie@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.