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Qualcomm PCIe Endpoint controllers have the in-built Embedded DMA (eDMA) peripheral for offloading the data transfer between the PCIe bus and memory. Let's add support for it by enabling the eDMA IRQ in the driver. The eDMA DMA Engine driver will handle the rest of the functionality. Since the eDMA on Qualcomm platforms only uses a single IRQ for all channels, use 1 for edma.nr_irqs. [kwilczynski: commit log] Link: https://lore.kernel.org/linux-pci/20230717065459.14138-4-manivannan.sadhasivam@linaro.org Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: Krzysztof Wilczyński <kwilczynski@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.