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Wed, 02 Sep 2026 13:43:46 -0700 (PDT) Received: from hu-mojha-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-33255d39d21sm613338eec.16.2026.09.02.13.43.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Sep 2026 13:43:46 -0700 (PDT) From: Mukesh Ojha To: Bjorn Andersson , Mathieu Poirier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Manivannan Sadhasivam Cc: linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Mukesh Ojha Subject: [PATCH v2 1/3] remoteproc: qcom_q6v5_pas: propagate dev_pm_genpd_set_performance_state() errors Date: Thu, 3 Sep 2026 02:13:32 +0530 Message-ID: <20260902204334.2061226-2-mukesh.ojha@oss.qualcomm.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260902204334.2061226-1-mukesh.ojha@oss.qualcomm.com> References: <20260902204334.2061226-1-mukesh.ojha@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=H4/rBeYi c=1 sm=1 tr=0 ts=6a988a84 cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=l42t8P_hCmqpnny7Gc0A:9 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-GUID: 2-G5bYCIhPqhMleLqlgvbXww8DtMJwvj X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAyMDE4MyBTYWx0ZWRfX1JcikTe+sJs+ 6+IWho4FMmugy7zzMxs/1StEDb2NWBN1Crluw9Jf1OlzK4j2uIR0Oc3+jOSPu7H/oTovW4lXPb/ KtVNmcAhqXMJmzHpocI7ytnt1LVQt0C5WqUX6iW5d1N9MEixrABaHWeZvK+DHO0sT7iBHqbH8A7 +XZbpf83fpDmqRzNuNemdHWxKpPa68jj775vKzW/AlB+HaUKGl6mW4ZNS2dn4fmr8nYlXsSsz2m SA5z8GSCvNIQ6CqwcUQwR4c9xGl9j+fed3t8dbw7INknNC464fyeNEtYCY9dyE51/7yoZAHhWp1 B6YTBux+vjxi8D97MNXvQNzfMdNU3bKlWIRGIHM8Vlah0pN/e5j8oWjuV4AtTEEqTeuESQQSAxy JoWmu4aX0Dvti859/e3VmE87Z5HBdDeY0p+aXJPUUdad9rRW3tp+wFvTP2LoBNcxS7jqjVMlwzM pcIrn81XhV9IE64COEg== X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAyMDE4MyBTYWx0ZWRfXzvlVfWT+WPlA bLBdUX4Ww8u7PcZ0gOJRe6ryHjoDFhPwRvFOTOFkNBRsMcHz56I5IjlvBpK9m7HC5XPJVYYvDbF vXUSQBbrdaBxixSY6LhvcEVMxrWxj2E= X-Proofpoint-ORIG-GUID: 2-G5bYCIhPqhMleLqlgvbXww8DtMJwvj 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=2026-09-02_05,2026-09-02_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 priorityscore=1501 adultscore=0 bulkscore=0 clxscore=1015 malwarescore=0 spamscore=0 phishscore=0 impostorscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609020183 The proxy power domain enable path discards the return value of dev_pm_genpd_set_performance_state(), masking failures silently. When the call fails the performance state is not applied, yet firmware load proceeds without any indication of the problem. Capture the return value and emit a warning on failure. Firmware load continues regardless a performance state failure is non-fatal but the warning provides a visible signal for debugging. Signed-off-by: Mukesh Ojha --- drivers/remoteproc/qcom_q6v5_pas.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c index a005546c265d..01dc0194e130 100644 --- a/drivers/remoteproc/qcom_q6v5_pas.c +++ b/drivers/remoteproc/qcom_q6v5_pas.c @@ -167,7 +167,11 @@ static int qcom_pas_pds_enable(struct qcom_pas *pas, struct device **pds, int i; for (i = 0; i < pd_count; i++) { - dev_pm_genpd_set_performance_state(pds[i], INT_MAX); + ret = dev_pm_genpd_set_performance_state(pds[i], INT_MAX); + if (ret) + dev_warn(pas->dev, + "failed to set proxy PD %d state %u: %d\n", + i, INT_MAX, ret); ret = pm_runtime_get_sync(pds[i]); if (ret < 0) { pm_runtime_put_noidle(pds[i]); -- 2.55.0