Fork of reMarkable kernel https://github.com/reMarkable/linux
82383b2bb2
An issue is found in suspend/resume - if we touch screen with pen when
system is in Sleep state, system is not responding when it wakes up.
It's a similar issue that commit 20c3781a7fb9 ("MLK-20306 gpio: mxc:
Skip GPIO_IMR restore in noirq resume") was fixing.
The root cause is that GPIO_IMR is saved as enabled before suspend,
and IRQ arrived in suspend state, during resume, the IMR is restored
to unmask the IRQ, the IRQ keep coming and touch driver is NOT ready
to handle it. Similar to commit 20c3781a7fb9, fix the issue by removing
GPIO_IMR register save/restore from GPIO driver.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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README
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.