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[ Upstream commit 35f73cca1cecda0c1f8bb7d8be4ce5cd2d46ae8c ] The function raspberrypi_fw_get_rate (e.g. used for the recalc_rate hook) can fail to get the clock rate from the firmware. In this case we cannot return a signed error value, which would be casted to unsigned long. Fix this by returning 0 instead. Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Link: https://lore.kernel.org/r/20220625083643.4012-1-stefan.wahren@i2se.com Fixes: 4e85e535e6cc ("clk: bcm283x: add driver interfacing with Raspberry Pi's firmware") Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org> 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.