Bryan O'Donoghue [off-list ref] writes:

If a scan is in progress do not attempt to enter into suspend. Allow the
scan process to quiesce before proceeding.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>

[...]

+bool wcn36xx_smd_is_scanning(struct wcn36xx *wcn)
+{
+	bool scanning;
+
+	mutex_lock(&wcn->hal_mutex);
+	scanning = wcn->scanning;
+	mutex_unlock(&wcn->hal_mutex);
+
+	return scanning;
+}

Instead of having a bool you could use SET_BIT() & co, that way you
don't need this extra function. For example see dev_flags in ath10k.

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches