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Filename Latest commit message Latest commit date
Linus Walleij 36f3f19a82 gpio: ftgpio: Support debounce timer
The FTGPIO010 has a debounce timer or rather prescaler that
will affect interrupts fireing off the block. We can support
this to get proper debounce on e.g. keypresses.

Since the same prescaler is used across all GPIO lines of
the silicon block, we need to bail out if the prescaler is
already set and in use by another line.

If the prescaler is already set to what we need, fine, we
reuse it. This happens more often than not when the same
debounce time is set for several GPIO keys, so we support
that usecase easily with this code.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-08-30 09:14:54 +02:00
arch ARM/gpio: ep93xx: build standalone 2018-08-29 09:08:25 +02:00
block
certs
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Documentation Merge branch 'ib-ingenic' of ../linux-pinctrl into devel 2018-08-29 14:10:57 +02:00
drivers gpio: ftgpio: Support debounce timer 2018-08-30 09:14:54 +02:00
firmware
fs Merge branch 'ida-4.19' of git://git.infradead.org/users/willy/linux-dax 2018-08-26 11:48:42 -07:00
include Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-08-26 13:39:05 -07:00
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tools Merge branch 'ida-4.19' of git://git.infradead.org/users/willy/linux-dax 2018-08-26 11:48:42 -07:00
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Makefile Linux 4.19-rc1 2018-08-26 14:11:59 -07:00
README

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.