[PATCH] ath11k: avoid firmware crash when reg set for QCA6390/WCN6855

Kalle Valo kvalo at kernel.org
Fri Jan 28 04:36:38 PST 2022


Wen Gong <quic_wgong at quicinc.com> wrote:

> For the NL80211_REGDOM_SET_BY_USER hint from cfg80211, it set the new
> alpha2 code to ath11k, then ath11k send WMI_SET_INIT_COUNTRY_CMDID to
> firmware for all chips currently. When test with WCN6855/QCA6390 chips,
> this WMI CMD leads firmware crash.
> 
> For AP based chips(ipq8074/qcn9074), WMI_SET_INIT_COUNTRY_CMDID is used
> to send to firmware, for STATION based chips(WCN6855/QCA6390), it need to
> use another WMI CMD WMI_SET_CURRENT_COUNTRY_CMDID.
> 
> Add flag current_cc_support in hardware parameters, it is used to
> distinguish AP/STA platform. After that, the firmware will work
> normal and the regulatory feature works well for QCA6390/WCN6855.
> 
> Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1
> Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03003-QCAHSPSWPL_V1_V2_SILICONZ_LITE-2
> 
> Signed-off-by: Wen Gong <quic_wgong at quicinc.com>
> Signed-off-by: Kalle Valo <quic_kvalo at quicinc.com>

Patch applied to ath-next branch of ath.git, thanks.

0d6e997b7621 ath11k: avoid firmware crash when reg set for QCA6390/WCN6855

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20220119041355.32014-1-quic_wgong@quicinc.com/

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




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