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Currently, we calculate the required bandwidth after the PDI buffer size is calculated. However as we need to add some fake frame to align the data block size, the final PDI size and the frame number will change. Besides, we need the required bandwidth to decide the DMA channel number and the channel number will be used to calculate the data block size. Therefore, we calculate the required bandwidth and export a helper for the caller to get the required bandwidth. Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Link: https://patch.msgid.link/20251014031450.3781789-5-yung-chuan.liao@linux.intel.com Signed-off-by: Vinod Koul <vkoul@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 reStructuredText 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.