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f4dd5174e2
We are seeing spurious wakeup caused by Intel 7560 WWAN on AMD laptops. This prevent those laptops to stay in s2idle state. >From what I can understand, the intention of ipc_pcie_suspend() is to put the device to D3cold, and ipc_pcie_suspend_s2idle() is to keep the device at D0. However, the device can still be put to D3hot/D3cold by PCI core. So explicitly let PCI core know this device should stay at D0, to solve the spurious wakeup. Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.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.