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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b9c3cff131csm650359266b.52.2026.04.08.06.24.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 08 Apr 2026 06:25:00 -0700 (PDT) Message-ID: Date: Wed, 8 Apr 2026 15:24:58 +0200 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] media: iris: use IRQF_NO_AUTOEN when requesting the IRQ To: Dmitry Baryshkov , Vikash Garodia , Dikshita Agarwal , Abhinav Kumar , Bryan O'Donoghue , Mauro Carvalho Chehab , Stefan Schmidt , Hans Verkuil Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260408-iris-no-autoen-v1-1-378d290a019e@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260408-iris-no-autoen-v1-1-378d290a019e@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDA4MDEyMyBTYWx0ZWRfX1Snxg33R89jt c4ZkLTAG1Fz6D243hMVoUpMwt40TgBfq+JiLGPFHOAJLLFjR6iAk7PYbPPoJQG3A6VHba4Bdmsb +GzIZlH2bBXaXpTNDQ5dfZyUKdJ+2vOxA3E2nUaHPb9J+cjMC+8l8Cu3ieiuzoGFWOPryW6T22s giEXK6XPnhFKQGFo5IYRUQMOVrl5TNqawGXHEFBaN4koY508EkEshe9h+0VeA97gjyfDujpqz5d vvaoBtv9k0jCUh1X72NAkPSj3ugfh622NfoEKQLzrw9SDC+dTt5xCnCiPNh8Na/SttLHRKyFh5o YpxNCXv+yVzmb5Rkyoi+SWi6FRZeqpddt7kT08L2m2dzBS4/j7aHdI29vjokpf/t6RdqjGlWI9c 2XOILdewtDgcevjUz8NRXdg67xH1SJhEUHECBxG/Qz+vO9FNtgI8Ux3MPbzZ3HqnFnwkCCEhxj3 4hGv2NVBenqQ2nW1H7Q== X-Proofpoint-GUID: 49lAeFVFtBUIKPhfxlHsD-vyG_dhEVM6 X-Proofpoint-ORIG-GUID: 49lAeFVFtBUIKPhfxlHsD-vyG_dhEVM6 X-Authority-Analysis: v=2.4 cv=K4AS2SWI c=1 sm=1 tr=0 ts=69d6572e cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=EUspDBNiAAAA:8 a=UcOOtBqsNXsv2hi3nloA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU: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=2026-04-08_04,2026-04-08_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 clxscore=1015 phishscore=0 malwarescore=0 spamscore=0 bulkscore=0 adultscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604080123 On 4/8/26 3:13 PM, Dmitry Baryshkov wrote: > Requesting the IRQ and then immediately disabling it is fragile as it > leaves a window when the IRQ is still enabled although the underlying > device might be not completely setup for IRQ handling. Pass > IRQF_NO_AUTOEN instead of calling disable_irq_nosync(). > > Fixes: fb583a214337 ("media: iris: introduce host firmware interface with necessary hooks") > Signed-off-by: Dmitry Baryshkov > --- I assume this was found the hard way.. Reviewed-by: Konrad Dybcio Konrad