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[ Upstream commit5fdca4a995] Previously, readq_ch() did a 64-bit readq(), but truncated the result by storing it in the u32 "value". Change "value" to u64 to avoid the truncation. Note: the method is currently unused, so the bug hasn't caused any problem so far. Fixes:04e0a39fc1("dmaengine: dw-edma: Add writeq() and readq() for 64 bits architectures") Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru> Signed-off-by: Bjorn Helgaas <bhelgaas@google.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.