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[24.130.122.79]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2be4f94833bsm1356612eec.18.2026.03.06.07.40.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 06 Mar 2026 07:40:08 -0800 (PST) Message-ID: <9741588f-e6a1-4749-970b-3ed814399a32@oss.qualcomm.com> Date: Fri, 6 Mar 2026 07:40:04 -0800 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 02/14] firmware: qcom: Add a generic PAS service To: Sumit Garg , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, netdev@vger.kernel.org, linux-wireless@vger.kernel.org, ath12k@lists.infradead.org, linux-remoteproc@vger.kernel.org Cc: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, robin.clark@oss.qualcomm.com, sean@poorly.run, akhilpo@oss.qualcomm.com, lumag@kernel.org, abhinav.kumar@linux.dev, jesszhan0024@gmail.com, marijn.suijten@somainline.org, airlied@gmail.com, simona@ffwll.ch, vikash.garodia@oss.qualcomm.com, dikshita.agarwal@oss.qualcomm.com, bod@kernel.org, mchehab@kernel.org, elder@kernel.org, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, jjohnson@kernel.org, mathieu.poirier@linaro.org, trilokkumar.soni@oss.qualcomm.com, mukesh.ojha@oss.qualcomm.com, pavan.kondeti@oss.qualcomm.com, jorge.ramirez@oss.qualcomm.com, tonyh@qti.qualcomm.com, vignesh.viswanathan@oss.qualcomm.com, srinivas.kandagatla@oss.qualcomm.com, amirreza.zarrabi@oss.qualcomm.com, jens.wiklander@linaro.org, op-tee@lists.trustedfirmware.org, apurupa@qti.qualcomm.com, skare@qti.qualcomm.com, Sumit Garg References: <20260306105027.290375-1-sumit.garg@kernel.org> <20260306105027.290375-3-sumit.garg@kernel.org> From: Jeff Johnson Content-Language: en-US In-Reply-To: <20260306105027.290375-3-sumit.garg@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: jCoZDJ9TznCV3_dHHAgvsLsJm4v1ScH4 X-Authority-Analysis: v=2.4 cv=E83AZKdl c=1 sm=1 tr=0 ts=69aaf55a cx=c_pps a=cFYjgdjTJScbgFmBucgdfQ==:117 a=Tg7Z00WN3eLgNEO9NLUKUQ==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=VwQbUJbxAAAA:8 a=40pWYZonmZhD7659SdoA:9 a=QEXdDO2ut3YA:10 a=scEy_gLbYbu1JhEsrz4S:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzA2MDE0NiBTYWx0ZWRfX86HWLxq4hRY8 6UxDjNVPcbdfZMJfrm66NZnqnsUoOJrMPrgQCKRnti04wL27qb3UsQx865Cr5gKtsZZ5qcx/3Wc areFXYBRk1Mmpw8OW42UT3qRXLxhASZXS06fxc9fwuYaYO8MGPP1wOxVcrxT6DStdfGy0IWp5uj dGws/tHhCkDJv2Q6da1KTFNZYlEIEIcFwgEQYp9F66YW5xGcIKe2l+CIuuchXwh72HJbj4Dr6va OBBySX5Udo4oJbfOpxLmKJWh2hGM6UkXc2kDT1Z86L7NNCRZjU+tY9e819xBrLqPqfyvkEKileI QXAVEYotn69k00sik1JuLx/F1jM5/GYH7myhe5oqddZprfdgCsmfiuV0jRNQmbVLVyWJOeKym0A nbglfqmnOSpYimToXmDI/xsIjv0kTLz7Ha+4kJLRc+00c9DXAU0dFqlOuuqKHXMIjr3QLt20jhy vsdb912KWzuyQmwv1aA== X-Proofpoint-GUID: jCoZDJ9TznCV3_dHHAgvsLsJm4v1ScH4 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=2026-03-06_04,2026-03-06_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 bulkscore=0 phishscore=0 impostorscore=0 adultscore=0 lowpriorityscore=0 priorityscore=1501 malwarescore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2603060146 On 3/6/2026 2:50 AM, Sumit Garg wrote: > drivers/firmware/qcom/Kconfig | 8 + > drivers/firmware/qcom/Makefile | 1 + > drivers/firmware/qcom/qcom_pas.c | 295 +++++++++++++++++++++++++ kernel-doc is throwing some warnings in this file which I've listed below. kernel-doc is also throwing warnings in some of the other files touched by this series, but since those are presumably preexisting I didn't bother to mention them. Just want to avoid adding new warnings. > drivers/firmware/qcom/qcom_pas.h | 53 +++++ > include/linux/firmware/qcom/qcom_pas.h | 41 ++++ > 5 files changed, 398 insertions(+) > create mode 100644 drivers/firmware/qcom/qcom_pas.c > create mode 100644 drivers/firmware/qcom/qcom_pas.h > create mode 100644 include/linux/firmware/qcom/qcom_pas.h ... > +/** > + * qcom_pas_mem_setup() - Prepare the memory related to a given peripheral > + * for firmware loading > + * @pas_id: peripheral authentication service id > + * @addr: start address of memory area to prepare > + * @size: size of the memory area to prepare > + * > + * Returns 0 on success. kernel-doc complains: Warning: drivers/firmware/qcom/qcom_pas.c:103 No description found for return value of 'qcom_pas_mem_setup' should use the kernel-doc Return: tag * Return: 0 on success (Returns: is also accepted although not documented) > + */ ... > +/** > + * qcom_scm_pas_auth_and_reset() - Authenticate the given peripheral firmware > + * and reset the remote processor > + * @pas_id: peripheral authentication service id > + * > + * Return 0 on success. hmmm, kernel-doc didn't complain about this one so the script must accept 'Return' without the ":" (but not 'Returns' without the ":"). Suggest changing to Return: to be conformant with the actual documentation: > + */ > +int qcom_pas_auth_and_reset(u32 pas_id) > +{ > + if (ops_ptr) > + return ops_ptr->auth_and_reset(ops_ptr->dev, pas_id); > + > + return -ENODEV; > +} > +EXPORT_SYMBOL_GPL(qcom_pas_auth_and_reset); ... > +/** > + * qcom_pas_set_remote_state() - Set the remote processor state > + * @state: peripheral state > + * @pas_id: peripheral authentication service id > + * > + * Returns 0 on success. Warning: drivers/firmware/qcom/qcom_pas.c:217 No description found for return value of 'qcom_pas_set_remote_state' > + */ ... > +/** > + * qcom_pas_shutdown() - Shut down the remote processor > + * @pas_id: peripheral authentication service id > + * > + * Returns 0 on success. Warning: drivers/firmware/qcom/qcom_pas.c:232 No description found for return value of 'qcom_pas_shutdown' > + */ ... > +/** > + * qcom_pas_supported() - Check if the peripheral authentication service is > + * available for the given peripheral > + * @pas_id: peripheral authentication service id > + * > + * Returns true if PAS is supported for this peripheral, otherwise false. Warning: drivers/firmware/qcom/qcom_pas.c:248 No description found for return value of 'qcom_pas_supported' > + */ ... > +/** > + * qcom_pas_is_available() - Check for PAS service > + * > + * Returns true on success. Warning: drivers/firmware/qcom/qcom_pas.c:262 No description found for return value of 'qcom_pas_is_available' > + */