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In the existing design, we do not create a instance per nvmem cell consumer but we directly refer cell from nvmem cell list that are added to provider. However this design has some limitations when consumers want to assign name or connection id the nvmem cell instance, ex: via "nvmem-cell-names" or id in nvmem_cell_get(id). Having a name associated with nvmem cell consumer instance will help provider drivers in performing post processing of nvmem cell data if required before data is seen by the consumers. This is pretty normal with some vendors storing nvmem cells like mac-address in a vendor specific data layouts that are not directly usable by the consumer drivers. With this patch nvmem cell will be created dynamically during nvmem_cell_get and destroyed in nvmem_cell_put, allowing consumers to associate name with nvmem cell consumer instance. With this patch a new struct nvmem_cell_entry replaces struct nvmem_cell for storing nvmem cell information within the core. This patch does not change nvmem-consumer interface based on nvmem_cell. Tested-by: Joakim Zhang <qiangqing.zhang@nxp.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20211013131957.30271-2-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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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.