Amitkumar Karwar [off-list ref] wrote:

This patch implements pre and post FLR handlers to support PCIe FLR
functionality. Software cleanup is performed in pre-FLR whereas
firmware is downloaded and software is re-initialised in
post-FLR handler.

Following command triggers FLR.
echo "1" > /sys/bus/pci/devices/$NUMBER/reset

This feature can be used as a recovery mechanism when firmware gets
hang.

Signed-off-by: Amitkumar Karwar <redacted>

Thanks, 1 patch applied to wireless-drivers-next.git:

4c5dae59d2e9 mwifiex: add PCIe function level reset support

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https://patchwork.kernel.org/patch/9248233/