[ath9k-devel] [PATCH] ath9k: Prevent radard detection and spectral scan to be used concurrently

[Greg KH <gregkh@linuxfoundation.org>]

On Mon, Jun 01, 2015 at 08:12:37PM +0200, Benjamin Berg wrote:
> In the case that a spectral scan is enabled the PHY errors sent by the
> hardware as part of the scanning might trigger the radar detection and
> channels might be marked as 'unusable' incorrectly. This patch fixes
> the issue by preventing the spectral scan to be enabled if DFS is used
> and only analysing the PHY errors for DFS if radar detection is enabled.
> 
> Reported-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
> Signed-off-by: Benjamin Berg <benjamin@sipsolutions.net>
> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
> 
> [v3.19+]
> ---
> 
> The patch does apply to 3.19+ with a bit of fuzz.
> 
> 
>  drivers/net/wireless/ath/ath9k/common-spectral.c | 4 ++++
>  drivers/net/wireless/ath/ath9k/main.c            | 6 ++++++
>  drivers/net/wireless/ath/ath9k/recv.c            | 7 +++++--
>  3 files changed, 15 insertions(+), 2 deletions(-)
> 

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read Documentation/stable_kernel_rules.txt
for how to do this properly.

</formletter>