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[ Upstream commit6996312642] The IRQ=0 could be a valid interrupt number in kernel because interrupt numbers are virtual in a modern kernel. Hence fix the interrupt usage in a case if interrupt is unavailable by not overriding the interrupt number which is used by the driver. Note that currently Nexus 7 is the only know device which uses SMB347 kernel diver and it has a properly working interrupt, hence this patch doesn't fix any real problems, it's a minor cleanup/improvement. Fixes:99298de5df("power: supply: smb347-charger: Replace mutex with IRQ disable/enable") Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.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.