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[199.106.103.254]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b07a508f00sm17197835ad.80.2026.03.19.02.48.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 19 Mar 2026 02:48:41 -0700 (PDT) Message-ID: <1faac95b-4c67-46d5-9c59-da4963e7e8de@oss.qualcomm.com> Date: Thu, 19 Mar 2026 17:48:37 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] Bluetooth: hci_qca: disable power control for WCN7850 when bt_en is not defined To: Bartosz Golaszewski Cc: Marcel Holtmann , Luiz Augusto von Dentz , linux-arm-msm@vger.kernel.org, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, cheng.jiang@oss.qualcomm.com, quic_chezhou@quicinc.com, wei.deng@oss.qualcomm.com, jinwang.li@oss.qualcomm.com, mengshi.wu@oss.qualcomm.com References: <20260319075125.76539-1-shuai.zhang@oss.qualcomm.com> Content-Language: en-US From: Shuai Zhang In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzE5MDA3NyBTYWx0ZWRfX7OalY/zlLJos Xe13542/ZGbtCEiZWzqmYBYyEOPFzdVIpoFoEspR6qc04isR/JP8KHJOdai+xAuVDplojNuPHhx zpRypNm1w/YZlrKVIINdnJN/ybNRo3da2TOhUGGmWA3tM8r2hEF6CVZOlW/myDTMA17bTCayOs3 ubHxhv2iiFmyd4QqCACv+V3p0YPFjWLIjVD7eBnQKANWBL8soNMll8IAMzz1WyUpUJuVOn9Q5fi tivu4geNgHKpDuOm+gZwqk1TzC+dhNUSEuhHAhdIlOxaCOLrgtoubEforRnHT+/5z2DW1g8fPJy P6xAsoWNRC0Ra/3/mHANlO2ZBZMby/aszyea61Duk2rGrz5e6A4Hbuc+pqlQjQ/bAaS5VHS8W5h t1+spDYPe5Jb7aJu/J6UJ2XkLSnaldTWny8DYGDNcQXYo9BTb69RQOjTByW4EEEonC3/9cQqEFx M8rljSz6I4wexBx5irw== X-Proofpoint-GUID: 25pZmUJYkTO0FOkVkCpHH3zQ8KRhQT6H X-Proofpoint-ORIG-GUID: 25pZmUJYkTO0FOkVkCpHH3zQ8KRhQT6H X-Authority-Analysis: v=2.4 cv=MJttWcZl c=1 sm=1 tr=0 ts=69bbc67b cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=JYp8KDb2vCoCEuGobkYCKw==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=EUspDBNiAAAA:8 a=xvFTm4SV79vVDnvSsuIA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-19_01,2026-03-17_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 spamscore=0 lowpriorityscore=0 priorityscore=1501 suspectscore=0 bulkscore=0 malwarescore=0 impostorscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603190077 Hi  Bartosz On 3/19/2026 5:35 PM, Bartosz Golaszewski wrote: > On Thu, Mar 19, 2026 at 8:51 AM Shuai Zhang > wrote: >> On platforms using an M.2 slot with both UART and USB support, bt_en is >> pulled high by hardware. In this case, software-based power control >> should be disabled. The current platforms are Lemans-EVK and Monaco-EVK. >> >> Add QCA_WCN7850 to the existing condition so that power_ctrl_enabled is >> cleared when bt_en is not software-controlled (or absent), aligning its >> behavior with WCN6750 and WCN6855 >> >> Signed-off-by: Shuai Zhang >> --- > What are the changes in v2? Sorry, I forgot to include the version update differences. v2 only updates the commit content and adds explanations regarding hardware management. > > Bartosz Thanks, Shuai