DSA spec v1.1 [1] updated to include a stride size register for WQ configuration that will specify how much space is reserved for the WQ configuration register set. This change is expected to be in the final gen1 DSA hardware. Fix the driver to use WQCFG_OFFSET() for all WQ offset calculation and fixup WQCFG_OFFSET() to use the new calculated wq size. [1]: https://software.intel.com/content/www/us/en/develop/download/intel-data-streaming-accelerator-preliminary-architecture-specification.html Fixes: bfe1d56091c1 ("dmaengine: idxd: Init and probe for Intel data accelerators") Signed-off-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/160383444959.48058.14249265538404901781.stgit@djiang5-desk3.ch.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 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.
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