Maharaja Kennadyrajan <mkenna@xxxxxxxxxxxxxx> wrote: > Debugfs support to do hardware warm reset with WMI command > WMI_PDEV_PARAM_PDEV_RESET for 10.4 and 10.2.4(if wmi > service is enabled in the firmware for backward compatibility). > > This change is purely for debugging purpose when hardware hangs/mutes. > > This hardware reset won't affect the connectivity but there will be small > pause in data traffic. Here we are doing BB/MAC level reset and hence > whenever the BB/MAC watchdog is triggered, it does a hardware_chip_reset. > So the target will be in the active state. > > Below command used to warm reset the hardware. > echo 1 > /sys/kernel/debug/ieee80211/phyX/ath10k/warm_hw_reset > > Tested in QCA988X with firmware ver 10.2.4.70.45 > Tested in QCA4019 with firmware ver 10.4-3.2.1.1-00011 > > Signed-off-by: Maharaja Kennadyrajan <mkenna@xxxxxxxxxxxxxx> > Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> Patch applied to ath-next branch of ath.git, thanks. db251d7df457 ath10k: add debugfs file warm_hw_reset -- https://patchwork.kernel.org/patch/10532465/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
