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094513f8a2
When the firmware crashes, we first told the op_mode and only then, changed the transport's state. This is a problem if the op_mode's nic_error() handler needs to send a host command: it'll see that the transport's state still reflects that the firmware is alive. Today, this has no consequences since we set the STATUS_FW_ERROR bit and that will prevent sending host commands. iwl_fw_dbg_stop_restart_recording looks at this bit to know not to send a host command for example. To fix the hibernation, we needed to reset the firmware without having an error and checking STATUS_FW_ERROR to see whether the firmware is alive will no longer hold, so this change is necessary as well. Change the flow a bit. Change trans->state before calling the op_mode's nic_error() method and check trans->state instead of STATUS_FW_ERROR. This will keep the current behavior of iwl_fw_dbg_stop_restart_recording upon firmware error, and it'll allow us to call iwl_fw_dbg_stop_restart_recording safely even if STATUS_FW_ERROR is clear, but yet, the firmware is not alive. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://patch.msgid.link/20240825191257.9d7427fbdfd7.Ia056ca57029a382c921d6f7b6a6b28fc480f2f22@changeid [I missed this was a dependency for the hibernation fix, changed the commit message a bit accordingly] Signed-off-by: Johannes Berg <johannes.berg@intel.com> |
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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 reStructuredText 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.