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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2f8864c37basm22570076eec.13.2026.05.13.09.44.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 May 2026 09:44:28 -0700 (PDT) From: Alex Tran Date: Wed, 13 May 2026 09:44:20 -0700 Subject: [PATCH 2/5] cpufreq: scmi-cpufreq: Log number of perf domains Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260513-scmi-client-probe-log-v1-2-00b47b1be009@oss.qualcomm.com> References: <20260513-scmi-client-probe-log-v1-0-00b47b1be009@oss.qualcomm.com> In-Reply-To: <20260513-scmi-client-probe-log-v1-0-00b47b1be009@oss.qualcomm.com> To: Jyoti Bhayana , Jonathan Cameron , David Lechner , =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko , Sudeep Holla , Cristian Marussi , Linus Walleij , "Rafael J. Wysocki" , Philipp Zabel , Viresh Kumar , Guenter Roeck Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, arm-scmi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, linux-hwmon@vger.kernel.org, Alex Tran X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1778690665; l=1078; i=alex.tran@oss.qualcomm.com; h=from:subject:message-id; bh=hWTJ66ICrMMYPDEetoAigezffDe9LGu5ZAq3+pTYj0U=; b=dKt2ltOsglRwirWV/VFgytLio3t+0trY/M1zjyG4lzrU8COWFCdYDtyNysYCuSfhoFQEYkG72 wGdFMM1kbfEAUr+QPv0OImnPdu41r/pDiZbC4NCgA6VLy0lrdZgwyx2 X-Developer-Key: i=alex.tran@oss.qualcomm.com; a=ed25519; pk=vKab/gw1fXij5UviWoglv+ho+H/oOiTHyETCLfayPE0= X-Authority-Analysis: v=2.4 cv=df+wG3Xe c=1 sm=1 tr=0 ts=6a04aa6e cx=c_pps a=PfFC4Oe2JQzmKTvty2cRDw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=EUspDBNiAAAA:8 a=xQYt0fwn8ryh7dGzGRYA:9 a=QEXdDO2ut3YA:10 a=6Ab_bkdmUrQuMsNx7PHu:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTEzMDE2OSBTYWx0ZWRfXwC/F4QXPlFaP DpKtango6FOkRxk2bzo7LCs6dnL0PITgVc+3RB95h/LT4IMnaq5vyCFXvW8q318I8U7EDf9Qbuh fmnfoFVSpOO/vaiYQwOeDqA2sE1tj2ihACdW3y4osURrovyVjSbUR9YS14QG2K+WVU4rBVdhGPo h7rHkAkdJcoloESCVnPIT2RGmJ0gGQ8ooWAu8KIYaxorzXJiBIG5rXZEf0CeXXOMjY3hawCkNwZ JByTz6KNEzCKpwIvofPhTjNOBFaiuSo2E9UwtIkdZRbKPum8dk+AmY5HBghbhLpR0BNTkKicWe1 1pAgZiYomqjGKRG1iMFEjKhHZ2x48TIH5DpqfYI6xnAtDQ6Dlvru+3EV449xztHD1UDkNPRXDwS AUXbTlhCiKWYrdFUknHHWEirRpIbtJuvS6lB2PzZGG3CpidMm+yglVXMzTjctMmU1J5wFXkw2VT KoAn/ijlQizUH4XNwvQ== X-Proofpoint-GUID: NROpbdLera-V02UjTnu2sT0C_cmbkTrF X-Proofpoint-ORIG-GUID: NROpbdLera-V02UjTnu2sT0C_cmbkTrF 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=2026-05-13_01,2026-05-13_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 malwarescore=0 priorityscore=1501 suspectscore=0 clxscore=1015 impostorscore=0 phishscore=0 spamscore=0 lowpriorityscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605050000 definitions=main-2605130169 The SCMI cpufreq driver does not currently log the number of performance domains discovered from firmware. This information is useful for confirming the firmware exposed performance domains during debugging. Log the domain count after a successful probe to align with the existing SCMI client driver logging pattern. Signed-off-by: Alex Tran --- drivers/cpufreq/scmi-cpufreq.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c index 4edb4f7a8aa9..d5c33eea2477 100644 --- a/drivers/cpufreq/scmi-cpufreq.c +++ b/drivers/cpufreq/scmi-cpufreq.c @@ -468,9 +468,12 @@ static int scmi_cpufreq_probe(struct scmi_device *sdev) if (ret) { dev_err(dev, "%s: registering cpufreq failed, err: %d\n", __func__, ret); + return ret; } - return ret; + dev_info(dev, "Initialized %d performance domains\n", + perf_ops->num_domains_get(ph)); + return 0; } static void scmi_cpufreq_remove(struct scmi_device *sdev) -- 2.43.0