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When we suspend into s2idle we also need to enable the interrupt line that generates the MPD and HFB interrupts towards the host CPU interrupt controller (typically the ARM GIC or MIPS L1) to make it exit s2idle. When we suspend into other modes such as "standby" or "mem" we engage a power management state machine which will gate off the CPU L1 controller (priv->irq0) and ungate the side band wake-up interrupt (priv->wol_irq). It is safe to have both enabled as wake-up sources because they are mutually exclusive given any suspend mode. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.