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Fri, 27 Feb 2026 02:33:05 -0800 (PST) X-Received: by 2002:a17:903:2f8c:b0:2aa:d61d:b6b3 with SMTP id d9443c01a7336-2ae2e4bbabcmr25011735ad.41.1772188385477; Fri, 27 Feb 2026 02:33:05 -0800 (PST) Received: from [10.152.204.0] ([202.46.23.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2adfb6a0409sm80007975ad.44.2026.02.27.02.33.03 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 27 Feb 2026 02:33:05 -0800 (PST) Message-ID: <9a647bdf-640f-4d3c-9fd2-50bd55af1008@oss.qualcomm.com> Date: Fri, 27 Feb 2026 16:03:02 +0530 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH ath-next] wifi: ath12k: Set up MLO after SSR To: Roopni Devanathan , ath12k@lists.infradead.org Cc: linux-wireless@vger.kernel.org, Ramya Gnanasekar References: <20260227041127.3265879-1-roopni.devanathan@oss.qualcomm.com> Content-Language: en-US From: Vasanthakumar Thiagarajan In-Reply-To: <20260227041127.3265879-1-roopni.devanathan@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjI3MDA5MSBTYWx0ZWRfX32djaaxeKxZl +zhPzA972jznqeIhxSCNBKITS3lN7zxFtmNB8y/PdKMzlWnAeOsgMPGLBlw7nawO7gg1npul+2A 6i0OE4HA/gli6B2SKnjtfV4zMkZ5wCzBRnOyyot/ifopnCkggXi4i+iIiLHOBGeUdDJ52b6fqO3 dJ/0eTwG68IZE832Revy9JJk0f6guWpjWir6o6uoBzV5PwYWsnn8Qa0TglLJnQI8wSyvsViwk8v IzyhiBgFBib+xRhe+lmvWZ/xYRAzjd0vptRZ9Lk1awmbBb+lOrRYBxeGi601OGFWylcIRCd9pLk k04LXzDNpU+K2AmzxHArtKzsHASx/6WFZkNqVHSqcl4VS7PPIpLhcbNQUbg72gWiVypOY1Dc4pP ruDrAMo7QXmC0S2njWxZ/FiWQyT9271bgBx+/WUwqcRPLY4e0l+EHsn+yCCNVCXxnCrd5cvjN+c JcABZ1AF2CjeIvFr+Dw== X-Proofpoint-GUID: V2vxW5pXTOy18nFG-uzh4YAUhxGuEc6N X-Authority-Analysis: v=2.4 cv=KZzfcAYD c=1 sm=1 tr=0 ts=69a172e2 cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=EUspDBNiAAAA:8 a=_3h4uQTCdB2spDowhVgA:9 a=QEXdDO2ut3YA:10 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-ORIG-GUID: V2vxW5pXTOy18nFG-uzh4YAUhxGuEc6N X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-27_01,2026-02-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 lowpriorityscore=0 priorityscore=1501 suspectscore=0 malwarescore=0 bulkscore=0 adultscore=0 phishscore=0 spamscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2602270091 On 2/27/2026 9:41 AM, Roopni Devanathan wrote: > From: Ramya Gnanasekar > > During recovery of an MLO setup from a core reset, > ATH12K_GROUP_FLAG_REGISTERED is set because ath12k_mac_unregister is not > called during core reset. So, when an MLO setup is recovering from a core > reset, ath12k_core_mlo_setup() is skipped. Hence, the firmware will not > have information about partner links. This makes MLO association fail > after recovery. > > To resolve this, call ath12k_core_mlo_setup() during recovery, to set up > MLO. Also, if MLO setup fails during recovery, call > ath12k_mac_unregister() and ath12k_mac_destroy() to unregister mac and > then tear down the mac structures. > > Also, initiate MLO teardown in the hardware group stop sequence to align > with the hardware group start sequence. > > Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.6-01181-QCAHKSWPL_SILICONZ-1 > > Signed-off-by: Ramya Gnanasekar > Signed-off-by: Roopni Devanathan Reviewed-by: Vasanthakumar Thiagarajan