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500d4b742e
Follow JESD220G, support a WB buffer resize function through sysfs. The host can obtain resize hint and resize status, and enable the resize operation. Add three sysfs nodes: 1. wb_resize_enable 2. wb_resize_hint 3. wb_resize_status The detailed definition of the three nodes can be found in the sysfs documentation. Signed-off-by: Huan Tang <tanghuan@vivo.com> Signed-off-by: Lu Hongfei <luhongfei@vivo.com> Link: https://lore.kernel.org/r/20250411092924.1116-1-tanghuan@vivo.com Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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.