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Fri, 27 Mar 2026 05:10:30 -0700 (PDT) X-Received: by 2002:a17:90b:1e51:b0:35b:e51a:85af with SMTP id 98e67ed59e1d1-35c2fff2c76mr2299260a91.10.1774613430257; Fri, 27 Mar 2026 05:10:30 -0700 (PDT) Received: from [10.217.223.121] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-35c22a81757sm6204402a91.6.2026.03.27.05.10.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 27 Mar 2026 05:10:29 -0700 (PDT) Message-ID: Date: Fri, 27 Mar 2026 17:40:16 +0530 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 v2 03/15] firmware: qcom_scm: Migrate to 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, linux-kernel@vger.kernel.org, Sumit Garg References: <20260312062756.694390-1-sumit.garg@kernel.org> <20260312062756.694390-4-sumit.garg@kernel.org> Content-Language: en-US From: Harshal Dev In-Reply-To: <20260312062756.694390-4-sumit.garg@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: yFZmBUFrLduUdTycSb8agD9ov8R7sJST X-Proofpoint-ORIG-GUID: yFZmBUFrLduUdTycSb8agD9ov8R7sJST X-Authority-Analysis: v=2.4 cv=J4GnLQnS c=1 sm=1 tr=0 ts=69c673b7 cx=c_pps a=0uOsjrqzRL749jD1oC5vDA==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=j567PbXuXaTzagYqJJIA:9 a=QEXdDO2ut3YA:10 a=mQ_c8vxmzFEMiUWkPHU9:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzI3MDA4MiBTYWx0ZWRfXwQhONFAoLyba umhxkhZNIksOGVQoth3+iMFnBPjpmqSf2skR5fQP++EWxT4W1RQR5arwLGTDhqMfNe/9bIB1ISQ 5e4gnXBab+mgdSjhoja5xrbmDhAUn2lUzC38R2p1YFqnf/y9pkMkK46sjlhtYwxjK8kThUrNkK4 L+bLBdCWyKb5QBjiAS2QQSmSl6nQx3coSDpFxca9+3s2CGQaazVjSlXuRIACPfuuW6rbN299jzs AV1xyyM98B8VQt73H5ZBh/CQ/N/DqKG3GmsB+DW9ZB8lN2LUjVIHn3W7EYbkQiNHElUMoA9aduY oRvqIJ8s49oT+Hrv7gBUA90cYqkqufobgqQuw0pphOsNDOBqiQXgs2Ulg4jkutMeNHcOvNkWOQZ Fj9NLudomzq+24xJcgZmFiXjvmKlzdsmrZ/zriJ73LvtJv+s6scL3zBrHdpVQzuVL7V+SQxMR6B Yk9stVMBTf4wLmWLdRQ== 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=2026-03-26_04,2026-03-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 clxscore=1015 phishscore=0 impostorscore=0 bulkscore=0 suspectscore=0 malwarescore=0 priorityscore=1501 lowpriorityscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603270082 On 3/12/2026 11:57 AM, Sumit Garg wrote: > From: Sumit Garg > > With the availability of generic PAS service, let's add SCM calls as > a backend to keep supporting legacy QTEE interfaces. The exported > qcom_scm* wrappers will get dropped once all the client drivers get > migrated as part of future patches. > > Signed-off-by: Sumit Garg > --- > drivers/firmware/qcom/Kconfig | 1 + > drivers/firmware/qcom/qcom_scm.c | 336 ++++++++++++++----------------- > 2 files changed, 156 insertions(+), 181 deletions(-) > [..] > diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c > index 8fbc96693a55..2d7937ae7c8f 100644 > --- a/drivers/firmware/qcom/qcom_scm.c > +++ b/drivers/firmware/qcom/qcom_scm.c > @@ -13,6 +13,7 @@ > #include [..] > > -/** > - * devm_qcom_scm_pas_context_alloc() - Allocate peripheral authentication service > - * context for a given peripheral > - * > - * PAS context is device-resource managed, so the caller does not need > - * to worry about freeing the context memory. > - * > - * @dev: PAS firmware device > - * @pas_id: peripheral authentication service id > - * @mem_phys: Subsystem reserve memory start address > - * @mem_size: Subsystem reserve memory size > - * > - * Returns: The new PAS context, or ERR_PTR() on failure. > - */ Shouldn't we drop the documentation for the exported functions in this file as part of patch 14/15? After this patch is applied, the devm_qcom_scm_pas_context_alloc() function still remains exported and available. Regards, Harshal