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5256d49380
- Release previously-requested DW eDMA IRQs if request_irq() fails (Serge Semin) - Convert DW eDMA linked-list (ll) and data target (dt) from CPU-relative addresses to PCI bus addresses (Serge Semin) - Fix missing src/dst address for interleaved transfers (Serge Semin) - Enforce the DW eDMA restriction that interleaved transfers must increment src and dst addresses (Serge Semin) - Fix some invalid interleaved transfer semantics (Serge Semin) - Convert CPU-relative addresses to PCI bus addresses for eDMA engine (Serge Semin) - Drop chancnt initialization from dw-edma-core, since it is managed by the dmaengine core, e.g., in dma_async_device_channel_register() (Serge Semin) - Clean up bogus casting of debugfs_entries.reg addresses (Serge Semin) - Ignore debugfs file/directory creation errors (Serge Semin) - Allocate debugfs entries from the heap to prepare for multi-eDMA platforms (Serge Semin) - Simplify and rework register accessors to remove another obstacle to multi-eDMA platforms (Serge Semin) - Consolidate eDMA read/write channels in a single dma_device to simplify, better reflect the hardware design, and avoid a debugfs complaint (Serge Semin) - Move eDMA-specific debugfs nodes into existing dmaengine subdirectory (Serge Semin) - Fix a readq_ch() truncation from 64 to 32 bits (Serge Semin) - Use existing readq()/writeq rather than hand-coding new ones (Serge Semin) - Drop unnecessary data target region allocation in favor of existing dw_edma_chip members (Serge Semin) - Use parent device in eDMA controller name to prepare for multi-eDMA platforms (Serge Semin) - In addition to the existing MMIO accessors for linked list entries, add support for ioremapped entries for use by eDMA in Root Ports or local Endpoints (Serge Semin) - Convert DW_EDMA_PCIE so it depends on DW_EDMA instead of selecting it (Serge Semin) - Allow DWC drivers to set streaming DMA masks larger than 32 bits; previously both streaming and coherent DMA were limited to 32 bits because some PCI devices only support coherent 32-bit DMA for MSI (Serge Semin) - Set 64-bit streaming and coherent DMA mask for the bt1 driver (Serge Semin) - Add DW Root Port and Endpoint controller support for eDMA (Serge Semin) * pci/controller/dwc: PCI: dwc: Add Root Port and Endpoint controller eDMA engine support PCI: bt1: Set 64-bit DMA mask PCI: dwc: Restrict only coherent DMA mask for MSI address allocation dmaengine: dw-edma: Prepare dw_edma_probe() for builtin callers dmaengine: dw-edma: Depend on DW_EDMA instead of selecting it dmaengine: dw-edma: Add mem-mapped LL-entries support dmaengine: dw-edma: Skip cleanup procedure if no private data found dmaengine: dw-edma: Replace chip ID number with device name dmaengine: dw-edma: Drop DT-region allocation dmaengine: dw-edma: Use non-atomic io-64 methods dmaengine: dw-edma: Fix readq_ch() return value truncation dmaengine: dw-edma: Use DMA engine device debugfs subdirectory dmaengine: dw-edma: Join read/write channels into a single device dmaengine: dw-edma: Move eDMA data pointer to debugfs node descriptor dmaengine: dw-edma: Simplify debugfs context CSRs init procedure dmaengine: dw-edma: Rename debugfs dentry variables to 'dent' dmaengine: dw-edma: Convert debugfs descs to being heap-allocated dmaengine: dw-edma: Add dw_edma prefix to debugfs nodes descriptor dmaengine: dw-edma: Stop checking debugfs_create_*() return value dmaengine: dw-edma: Drop unnecessary debugfs reg casts dmaengine: dw-edma: Drop chancnt initialization dmaengine: dw-edma: Add PCI bus address getter to the remote EP glue driver dmaengine: dw-edma: Add CPU to PCI bus address translation dmaengine: dw-edma: Fix invalid interleaved xfers semantics dmaengine: dw-edma: Don't permit non-inc interleaved xfers dmaengine: dw-edma: Fix missing src/dst address of interleaved xfers dmaengine: dw-edma: Convert ll/dt phys address to PCI bus/DMA address dmaengine: dw-edma: Release requested IRQs on failure dmaengine: Fix dma_slave_config.dst_addr description
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.