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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b6d853fb3bdsm695248266b.52.2025.10.27.01.27.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 27 Oct 2025 01:27:36 -0700 (PDT) Message-ID: Date: Mon, 27 Oct 2025 09:27:35 +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] crypto: qce: Provide dev_err_probe() status on DMA failure To: Bjorn Andersson , Thara Gopinath , Herbert Xu , "David S. Miller" Cc: linux-crypto@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20251024-qce-dma-err-probe-v1-1-03de2477bb5c@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20251024-qce-dma-err-probe-v1-1-03de2477bb5c@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDI3MDA3NyBTYWx0ZWRfX0ikBgF7bQned vzC1JWILJV46/jDgfl96V9Y+BAXwn+bKAbvr/t9JsBqe6RzHPnq7f3yea99I2KtN5rxKR6pMb4o +y8F+KmJBEOx5e9ba9x0mUq9fRNiF6hm0bl7pWBofmy4kAXAvSPUvZEVzs/GI4CdT5H/Zh7zhSQ nM68kPBNOeBcTUgu6gqIgqY8rRjEHtj4++h5nMk8W2XQk6GvM9SvPajsYAmBf9fZTHSBAzYb3k4 fpN557jBYORDo8d2eUYQv1i5eZk2ANDxbAGO4jog63G4FEiGEIsJ64cD0rv/1dFw8Qz8pOv84Oi QwgJsE8DOkf1zr55mhD2NdMqFvskF1b/0e1k/R40Axxd7U9r5v6ugE/KwAMhf1Gqt+wptDNoX6u fJPdXTsET9oqlwY3ViAtoP44164HkA== X-Proofpoint-ORIG-GUID: SvJ5juoQdUGcvnOxpXm2XZ-tQNjpArGR X-Proofpoint-GUID: SvJ5juoQdUGcvnOxpXm2XZ-tQNjpArGR X-Authority-Analysis: v=2.4 cv=WqMm8Nfv c=1 sm=1 tr=0 ts=68ff2cfa cx=c_pps a=UgVkIMxJMSkC9lv97toC5g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=x6icFKpwvdMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=25NbGeS3ZlacgUnTFUcA:9 a=QEXdDO2ut3YA:10 a=1HOtulTD9v-eNWfpl4qZ:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-27_04,2025-10-22_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 impostorscore=0 spamscore=0 phishscore=0 suspectscore=0 lowpriorityscore=0 malwarescore=0 adultscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510020000 definitions=main-2510270077 On 10/24/25 11:35 PM, Bjorn Andersson wrote: > On multiple occasions the qce device have shown up in devices_deferred, > without the explanation that this came from the failure to acquire the > DMA channels from the associated BAM. > > Use dev_err_probe() to associate this context with the failure to faster > pinpoint the culprit when this happens in the future. > > Signed-off-by: Bjorn Andersson > --- Reviewed-by: Konrad Dybcio Konrad