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Thu, 17 Sep 2026 01:41:43 -0700 (PDT) X-Received: by 2002:a05:620a:a189:20b0:93b:beb1:5790 with SMTP id af79cd13be357-93bbeb16790mr525451385a.5.1789634502896; Thu, 17 Sep 2026 01:41:42 -0700 (PDT) Received: from [192.168.202.12] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c29de0898bdsm260029866b.5.2026.09.17.01.41.40 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 17 Sep 2026 01:41:42 -0700 (PDT) Message-ID: <6c61d38e-e874-4278-b188-166cbfdad067@oss.qualcomm.com> Date: Thu, 17 Sep 2026 10:41:39 +0200 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] pinctrl: qcom: nord: fix GPIO interrupt target width To: Zhangfei Gao , linusw@kernel.org, andersson@kernel.org, brgl@kernel.org Cc: pankaj.patil@oss.qualcomm.com, maulik.shah@oss.qualcomm.com, dmitry.baryshkov@oss.qualcomm.com, shengchao.guo@oss.qualcomm.com, linux-arm-msm@vger.kernel.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org References: <20260916085720.771498-1-zhangfei.gao@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260916085720.771498-1-zhangfei.gao@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTE3MDExNyBTYWx0ZWRfX7echisM2PyVp ixBULc3NcH4QZTe84jhilijaex2g1JS95zr3OW9cC/t6YZffygPtAQgR2PV+15z6M1+wHct6pwJ I/dsCiwBpxTrQFVCCqWbO/hFs+m9MOh8sUzNR/PA9Atj2YJfvwDUMubvcHkl08l50Rnizm7f3kQ yAh8M0LmLkteP0Anw2DXRVxuRuMGwDNmXGy2FtFOtauuYdBoPk3Rnn5j5KPRrPpIs7+fjAHPScr NRMegFRGinGvkXHVm1DANbbILbjJ/xTI99w3seihsa+39sHdBC7fK2m9auDj0r3X7GSCr6aCcf7 1C4kOyc+jVCrGm3FwRSNghhtEw7njfCEAogz7NHgpK0XFuyw3JMLu1ESOxhPf4g4y+ap6P6TEN5 eIifB60KpwIsyGL45mqHQrm7AwzyYbb+tcr515kQOT9HOZjx/hlz0F+nXO0+E6fbyCQ7QUophaP xL0EIl9u8jbG1iYgT+g== X-Proofpoint-GUID: BByjUtw1LkvPkSLkvP3-63FKfrJ0IQ0- X-Proofpoint-ORIG-GUID: BByjUtw1LkvPkSLkvP3-63FKfrJ0IQ0- X-Authority-Analysis: v=2.4 cv=F9zC5ahN c=1 sm=1 tr=0 ts=6aaba7c8 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=EUspDBNiAAAA:8 a=NCczGnymYEpDLu10qSUA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTE3MDExNyBTYWx0ZWRfX/bAMKpJNC4dV 86BsZknQy42ZwAFfzSiN//PiBEHYN9pJoJG1sOtVURBc3/BJO2feNcuo+qBriFiTslvG0K3Pwtn Qi94m0dVMpCXJLClPvK+Fh9JqIuuZQE= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-17_01,2026-09-16_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 spamscore=0 lowpriorityscore=0 bulkscore=0 malwarescore=0 clxscore=1015 impostorscore=0 suspectscore=0 priorityscore=1501 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609170117 On 9/16/26 10:57 AM, Zhangfei Gao wrote: > The TARGET_PROC field in the Nord GPIO_INTR_CFG registers occupies bits > 11:8. Describe it as four bits wide so the common Qualcomm pinctrl code > clears the complete field before routing an interrupt to the application > processor. > > Without intr_target_width, the common code uses its three-bit default > mask. Since GPIO_INTR_CFG resets with TARGET_PROC set to 0xf (NONE), bit > 11 remains set when the driver programs HMSS target 3. The resulting > target is 0xb (HPASS_DSP_1), observed as an interrupt configuration value > of 0xb1b instead of 0x31b. > > The GPIO interrupt status is consequently latched, but the HMSS TLMM > summary interrupt at GIC SPI 208 is never asserted. This affects all Nord > GPIO interrupts using the TLMM summary path, including the Ethernet PHY > interrupts on GPIO55 and GPIO141. > > Fixes: c24dd0826f06 ("pinctrl: qcom: add the TLMM driver for the Nord platforms") > Signed-off-by: Zhangfei Gao > --- Reviewed-by: Konrad Dybcio Konrad