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Kai-Heng Feng
7c67cf6658
I've recently observed failed xHCI suspend attempt on AMD Raven Ridge system: kernel: xhci_hcd 0000:04:00.4: WARN: xHC CMD_RUN timeout kernel: PM: suspend_common(): xhci_pci_suspend+0x0/0xd0 returns -110 kernel: PM: pci_pm_suspend(): hcd_pci_suspend+0x0/0x30 returns -110 kernel: PM: dpm_run_callback(): pci_pm_suspend+0x0/0x150 returns -110 kernel: PM: Device 0000:04:00.4 failed to suspend async: error -110 Similar to commitac34336684("xhci: Increase STS_SAVE timeout in xhci_suspend()") we also need to increase the HALT timeout to make it be able to suspend again. Cc: <stable@vger.kernel.org> # 5.2+ Fixes:f7fac17ca9("xhci: Convert xhci_handshake() to use readl_poll_timeout_atomic()") Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20191211142007.8847-5-mathias.nyman@linux.intel.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.