9a4c56be67
The IRQ handler(isr_bh_routine()) was called twice for each interrupt from firmware. The data was read completely during the first call and the second call was doing nothing. Now changed the IRQ flag from ‘level’ to ‘edge’ trigger i.e IRQF_TRIGGER_LOW to IRQF_TRIGGER_FALLING to avoid extra interrupt trigger. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Link: https://lore.kernel.org/r/20190910074514.3073-2-ajay.kathat@microchip.com 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.
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.