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b07aa21474
[ Upstream commitb20fd5fa31] buf_addr parameter of stm32_dma_set_xfer_param function is a dma_addr_t. We only need to check the remainder of buf_addr/max_width, so, no need to use do_div and extra u64 addr. Use '%' instead. Fixes:e0ebdbdcb4("dmaengine: stm32-dma: take address into account when computing max width") Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com> Link: https://lore.kernel.org/r/20211011094259.315023-3-amelie.delaunay@foss.st.com Signed-off-by: Vinod Koul <vkoul@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.