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1f34b60222
The vop2_win_disable() may be called multiple times in a short period before the fs comes. Using VOP_WIN_GET(vop2, win, enable) for judgment may cause double disable of win, leading to double decrement of vop2_power_domain.ref_count. This patch uses regbak to determine whether win is already disabled in vop2_win_disable(), similar to what is done in the vop2_win_enable(). Change-Id: I3095ef0ef0068ef3dd7245375127083a17871341 Signed-off-by: Chaoyi Chen <chaoyi.chen@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.
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.