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835aee8692
This reverts commit 6a40ead69f.
The old patch only do sync for pages first allocated from system to page
pools which have memset operation.
In that case, the sg table hasn't been created, so the sg_phy should be
filled extra.
After this revert, a new patch will push to do sync after sg table
created, and use a common device from ion driver, which is required by
dma_sync api.
Change-Id: I9712136a532f64ff3224308f48d59efb87fd5be2
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.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 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.