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Fri, 25 Sep 2026 08:58:04 -0700 (PDT) Received: from hu-mojha-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-87ff354d854sm1361299b3a.2.2026.09.25.08.57.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Sep 2026 08:58:03 -0700 (PDT) From: Mukesh Ojha To: Sumit Garg , Bjorn Andersson , Konrad Dybcio , Rob Clark , Dmitry Baryshkov , David Airlie , Simona Vetter , Vikash Garodia , Dikshita Agarwal , "Bryan O'Donoghue" , Mauro Carvalho Chehab , Alex Elder , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Jeff Johnson , Mathieu Poirier Cc: Abel Vesa , Sean Paul , Akhil P Oommen , Abhinav Kumar , Jessica Zhang , Marijn Suijten , linux-arm-msm@vger.kernel.org, linux-kernel@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, Mukesh Ojha Subject: [PATCH 1/8] remoteproc: qcom_wcnss: migrate to qcom_mdt_pas_load() and qcom_pas_prepare_and_auth_reset() Date: Fri, 25 Sep 2026 21:27:30 +0530 Message-ID: <20260925155737.4161358-2-mukesh.ojha@oss.qualcomm.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260925155737.4161358-1-mukesh.ojha@oss.qualcomm.com> References: <20260925155737.4161358-1-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-Proofpoint-GUID: Ju3BcBPWMM2n5y8le5M_S_ok-jJI-R8f X-Proofpoint-Spam-Info: AW1haW4tMjYwOTI1MDA2MyBTYWx0ZWRfXxqa1YIZ/FZDb q7iEJUYiwZQXf31VQV9kq0S1uCI1FIufIEIAO03ursa8c/I+Kfrxyk8eWJ4uCEQnUzDSgoU7vso eUwAcNXnEiemvk+k+YodQiRwI9aVIqI= X-Proofpoint-ORIG-GUID: Ju3BcBPWMM2n5y8le5M_S_ok-jJI-R8f X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTI1MDA2MyBTYWx0ZWRfXwIc+rsGxwG/7 xz1zjdJhHhoO75jlxhIA0nMpJiDXJS439v46pOB8zDhQUyVdi6Irr5HQnWLwHA/4At8ldVX1EwT o5chZEp1tjiaxvbs5OhfeY3l6dA20Ir5TVs9LiIjPdnkBm1me3LJyKzRht6RUNtAWhBjsCFPGWI Vqx0JL6s2zTc6MXfBEjpyxlMSFZexMSAkVLWuyn5yqlNIQPForxzrVbETqlGgJuM/SgpFMwxqw2 CGn8RfpbHOE34UnoaiDLQFnhXcRGXdi14TzUmdq0UTkbN/3dQWusdUBRuDsHG9uzZU7oqaIbrUj KOCEbh8XwSUDqGoPqzSIbIw/m1tZkvpO87M6acwhRQj89tyHg7RhWZBL7HzxAz9jHcQUJG4rq80 Rgv63FWiKq3PpKjUWfWVkbF+sKpbSn/62Ojn4c8gkTQz5vSQRgSOlJ1cze0MizUlRRfMRBxxGEW cF99aVamELBbLryd8VQ== X-Authority-Analysis: v=2.4 cv=B+wsQ+tM c=1 sm=1 tr=0 ts=6ab69a0d cx=c_pps a=rEQLjTOiSrHUhVqRoksmgQ==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=EUspDBNiAAAA:8 a=BENypEIf3hN4rM3MEzYA:9 a=2VI0MkxyNR6bbpdq8BZq:22 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=2026-09-25_02,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 clxscore=1015 bulkscore=0 spamscore=0 adultscore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 malwarescore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609250063 wcnss_load() calls qcom_mdt_load() which bundles metadata init, memory setup, and segment loading into a single API that does not expose a PAS context, and wcnss_start() calls qcom_pas_auth_and_reset() which skips the shmbridge prepare step required before TrustZone authentication. Allocate a qcom_pas_context in wcnss_probe() via devm_qcom_pas_context_alloc() and store it in struct qcom_wcnss. Replace qcom_mdt_load() with qcom_mdt_pas_load() in wcnss_load() and replace qcom_pas_auth_and_reset() with qcom_pas_prepare_and_auth_reset() in wcnss_start(). The existing devm_ioremap_wc() mapping is retained for wcnss_da_to_va() address translation. Signed-off-by: Mukesh Ojha --- drivers/remoteproc/qcom_wcnss.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c index c856a92af43c..01f9076aa0b1 100644 --- a/drivers/remoteproc/qcom_wcnss.c +++ b/drivers/remoteproc/qcom_wcnss.c @@ -96,6 +96,7 @@ struct qcom_wcnss { phys_addr_t mem_reloc; void __iomem *mem_region; size_t mem_size; + struct qcom_pas_context *pas_ctx; struct qcom_rproc_subdev smd_subdev; struct qcom_sysmon *sysmon; @@ -157,9 +158,7 @@ static int wcnss_load(struct rproc *rproc, const struct firmware *fw) struct qcom_wcnss *wcnss = rproc->priv; int ret; - ret = qcom_mdt_load(wcnss->dev, fw, rproc->firmware, WCNSS_PAS_ID, - (__force void *)wcnss->mem_region, wcnss->mem_phys, - wcnss->mem_size, &wcnss->mem_reloc); + ret = qcom_mdt_pas_load(wcnss->pas_ctx, fw, rproc->firmware, &wcnss->mem_reloc); if (ret) return ret; @@ -257,7 +256,7 @@ static int wcnss_start(struct rproc *rproc) wcnss_indicate_nv_download(wcnss); wcnss_configure_iris(wcnss); - ret = qcom_pas_auth_and_reset(WCNSS_PAS_ID); + ret = qcom_pas_prepare_and_auth_reset(wcnss->pas_ctx); if (ret) { dev_err(wcnss->dev, "failed to authenticate image and release reset\n"); @@ -600,6 +599,11 @@ static int wcnss_probe(struct platform_device *pdev) if (ret) return ret; + wcnss->pas_ctx = devm_qcom_pas_context_alloc(wcnss->dev, WCNSS_PAS_ID, + wcnss->mem_phys, wcnss->mem_size); + if (IS_ERR(wcnss->pas_ctx)) + return PTR_ERR(wcnss->pas_ctx); + wcnss->pmu_cfg = mmio + data->pmu_offset; wcnss->spare_out = mmio + data->spare_offset; -- 2.55.0