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commitf354157a7dupstream. Currently, for EINT_TYPE GPIOs, the CON and FLTCON registers are saved and restored over a suspend/resume cycle. However, the EINT_MASK registers are not. On S5PV210 at the very least, these registers are not retained over suspend, leading to the interrupts remaining masked upon resume and therefore no interrupts being triggered for the device. There should be no effect on any SoCs that do retain these registers as theoretically we would just be re-writing what was already there. Fixes:7ccbc60cd9("pinctrl: exynos: Handle suspend/resume of GPIO EINT registers") Cc: <stable@vger.kernel.org> Signed-off-by: Jonathan Bakker <xc-racer2@live.ca> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.