On Fri, Jul 31, 2020 at 03:14:16PM +0530, Sathishkumar Muruganandam wrote:
> From: Abhishek Ambure <aambure@xxxxxxxxxxxxxx>
>
> commit cc78dc3b790619aa05f22a86a9152986bd73698c upstream.
>
> This commit fixes the regression caused by
> commit 6ddc3860a566 ("ath10k: add support for ack rssi value of data tx packets")
> in linux-5.4.y branch.
>
> ath10k_is_rssi_enable() always returns 0 for QCA9984 and this will cause
> the ppdu_info_offset to hold invalid value in ath10k_htt_rx_tx_compl_ind().
>
> This leads to CE corruption for HTC endpoints to cause WMI command failures
> with insufficient HTC credits. Below warnings are seen due to beacon
> command failure in QCA9984.
>
> [ 675.939638] ath10k_pci 0000:03:00.0: SWBA overrun on vdev 0, skipped old beacon
> [ 675.947828] ath10k_pci 0000:04:00.0: SWBA overrun on vdev 1, skipped old beacon
>
> Tested HW: QCA9984
> Tested FW: 10.4-3.10-00047
> Tested Kernel version: 5.4.22
>
> Fixes: 6ddc3860a566 ("ath10k: add support for ack rssi value of data tx packets")
> Signed-off-by: Abhishek Ambure <aambure@xxxxxxxxxxxxxx>
> Signed-off-by: Balaji Pothunoori <bpothuno@xxxxxxxxxxxxxx>
> [kvalo@xxxxxxxxxxxxxx: improve commit log]
> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
> Signed-off-by: Sathishkumar Muruganandam <murugana@xxxxxxxxxxxxxx>
> ---
> drivers/net/wireless/ath/ath10k/hw.c | 1 +
> 1 file changed, 1 insertion(+)
Now queued up, thanks.
greg k-h
