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8a6091f292
slot's clock is cached before calling ->set_ios for sub-driver. If the clock is updated by sub-driver, it's better to restore the cached slot's clock. Or we can see a unexpected clock as the driver didn't know the slot's clock is updated and still use the old clock to calculate divider. So we may see a lower clock. It theory, it's won't be a problem because any rate lower than 400k should be fine, and we even didn't start issuing any command during the lower clock. But still it's right to update slot's clock to reflect the correct clock and may fix some potential unknown problems. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Change-Id: I06581320547bb06c306da57e141d06f9206ea585
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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.