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After enabling runtime PM, if we force hardware reset multiple times with: # echo 1 > /sys/kernel/debug/ieee80211/phy0/wlcore/start_recovery We will after few tries get the following error: wlcore: ERROR timeout waiting for the hardware to complete initialization And then wlcore is unable to reconnect until after the wlcore related modules are reloaded. Let's fix this by moving pm_runtime_put() earlier before we restart the hardware. And let's use the sync version to make sure we're done before we restart. Note that we still will get -EBUSY warning from wl12xx_sdio_set_power() but let's fix that separately once we know exactly why we get the warning. Reported-by: Eyal Reizer <eyalr@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.