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f173f26a4d
spi-mem layer expects all buffers passed to it to be DMA'able. But spi-nor layer mostly allocates buffers on stack for reading/writing to registers and therefore are not DMA'able. Introduce bounce buffer to be used to read/write to registers. This ensures that buffer passed to spi-mem layer during register read/writes is DMA'able. With this change nor->cmd-buf is no longer used, so drop it. Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> |
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| certs | ||
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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.