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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b8037f51a74sm4055637366b.63.2025.12.31.04.07.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 31 Dec 2025 04:07:29 -0800 (PST) Message-ID: <17211f57-0c25-4108-bdc9-50d0f96d3185@oss.qualcomm.com> Date: Wed, 31 Dec 2025 13:07:26 +0100 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 06/14] arm64: dts: qcom: qrb4210-rb2: Fix UART3 wakeup IRQ storm To: Dmitry Baryshkov , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bartosz Golaszewski , Marcel Holtmann , Luiz Augusto von Dentz , Jeff Johnson , Bjorn Andersson , Konrad Dybcio , Manivannan Sadhasivam , Vinod Koul , Balakrishna Godavarthi , Matthias Kaehlcke Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-bluetooth@vger.kernel.org, linux-wireless@vger.kernel.org, ath10k@lists.infradead.org, linux-pm@vger.kernel.org, Krzysztof Kozlowski References: <20251231-wcn3990-pwrctl-v1-0-1ff4d6028ad5@oss.qualcomm.com> <20251231-wcn3990-pwrctl-v1-6-1ff4d6028ad5@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20251231-wcn3990-pwrctl-v1-6-1ff4d6028ad5@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=POcCOPqC c=1 sm=1 tr=0 ts=69551203 cx=c_pps a=JbAStetqSzwMeJznSMzCyw==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=_BXXzmC4fWfZa3wPJs8A:9 a=QEXdDO2ut3YA:10 a=zZCYzV9kfG8A:10 a=uxP6HrT_eTzRwkO_Te1X:22 X-Proofpoint-ORIG-GUID: p_kHWH1Xaha9rvClLYBxbwt4n_-fRpoV X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjMxMDEwNiBTYWx0ZWRfX04HEPgbGUjTE aDkKEZFdyU745B7BBt3Ar1X1zu3BNTMQ8laQeU0ocU12nxLNLo/QORmQW91GoweGXjcahDb+r61 8oAm1Aw8hVsaHC2u3GdsMllDZxzRO7G3cNmXxLmRnq+6Wi/EdiqYbkM+br8VEjVF3vnd15Of4po oX5FS4Rp+WICOzYeU9/gHQ1fcfGIA1Qzi8RAu/qGH517UixT8HKMYBlgxpUrmFDXFBcqvg1lF7U vUMleRBy8cE8XP7g8I6GqkZbKmfAnAk46z8MRPXr6PieTR4asosPD8tK6Ezjy3mLU9veGj1uyxS 3Mqcb1St9/U13Z55/nYC6Va+wmve0AxxdmFzTmg7cpqSkuAMuhf7KD7AW/qZRkOSbi0xKRFXrsZ EpTRDvy6T72/K10mkz5oN7MTyklyTS8h4PghjdqAghJ2bxEeo9X+GOneOD2de4ppBQB4QqnYcYn YlvW4DneGRANwNa1yKg== X-Proofpoint-GUID: p_kHWH1Xaha9rvClLYBxbwt4n_-fRpoV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-12-31_03,2025-12-31_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 lowpriorityscore=0 malwarescore=0 adultscore=0 bulkscore=0 phishscore=0 clxscore=1015 priorityscore=1501 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2512310106 On 12/31/25 12:35 AM, Dmitry Baryshkov wrote: > Follow commit 9c92d36b0b1e ("arm64: dts: qcom: qrb2210-rb1: Fix UART3 > wakeup IRQ storm") and apply the similar fix to the RB2 platform. > > Having RX / TX pins as pull up and wakup interrupt as high-level > triggered generates an interrupt storm when trying to suspend the > device. Avoid the storm by using the falling edge trigger (as all other > platforms do). > > Fixes: cab60b166575 ("arm64: dts: qcom: qrb4210-rb2: Enable bluetooth") > Signed-off-by: Dmitry Baryshkov > --- Reviewed-by: Konrad Dybcio Konrad