[PATCH v4 3/6] remoteproc: qcom: pas: Fix the PAS context creation placement
From: Mukesh Ojha
Date: Thu Apr 30 2026 - 15:14:20 EST
DTB PAS context creation should be done only for subsystems that support
a DTB firmware binary; otherwise, memory is wasted. Move the context
creation to the appropriate location.
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
Signed-off-by: Mukesh Ojha <mukesh.ojha@xxxxxxxxxxxxxxxx>
---
drivers/remoteproc/qcom_q6v5_pas.c | 32 ++++++++++++++----------------
1 file changed, 15 insertions(+), 17 deletions(-)
diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
index 2785d19408d1..a64fbf7225aa 100644
--- a/drivers/remoteproc/qcom_q6v5_pas.c
+++ b/drivers/remoteproc/qcom_q6v5_pas.c
@@ -620,6 +620,7 @@ static void qcom_pas_pds_detach(struct qcom_pas *pas, struct device **pds, size_
static int qcom_pas_alloc_memory_region(struct qcom_pas *pas)
{
+ struct rproc *rproc = pas->rproc;
struct resource res;
int ret;
@@ -637,6 +638,12 @@ static int qcom_pas_alloc_memory_region(struct qcom_pas *pas)
return PTR_ERR(pas->mem_region);
}
+ pas->pas_ctx = devm_qcom_scm_pas_context_alloc(pas->dev, pas->pas_id,
+ pas->mem_phys, pas->mem_size);
+ if (IS_ERR(pas->pas_ctx))
+ return PTR_ERR(pas->pas_ctx);
+
+ pas->pas_ctx->use_tzmem = rproc->has_iommu;
if (!pas->dtb_pas_id)
return 0;
@@ -654,6 +661,14 @@ static int qcom_pas_alloc_memory_region(struct qcom_pas *pas)
return PTR_ERR(pas->dtb_mem_region);
}
+ pas->dtb_pas_ctx = devm_qcom_scm_pas_context_alloc(pas->dev, pas->dtb_pas_id,
+ pas->dtb_mem_phys,
+ pas->dtb_mem_size);
+ if (IS_ERR(pas->dtb_pas_ctx))
+ return PTR_ERR(pas->dtb_pas_ctx);
+
+ pas->dtb_pas_ctx->use_tzmem = rproc->has_iommu;
+
return 0;
}
@@ -835,23 +850,6 @@ static int qcom_pas_probe(struct platform_device *pdev)
qcom_add_ssr_subdev(rproc, &pas->ssr_subdev, desc->ssr_name);
- pas->pas_ctx = devm_qcom_scm_pas_context_alloc(pas->dev, pas->pas_id,
- pas->mem_phys, pas->mem_size);
- if (IS_ERR(pas->pas_ctx)) {
- ret = PTR_ERR(pas->pas_ctx);
- goto remove_ssr_sysmon;
- }
-
- pas->dtb_pas_ctx = devm_qcom_scm_pas_context_alloc(pas->dev, pas->dtb_pas_id,
- pas->dtb_mem_phys,
- pas->dtb_mem_size);
- if (IS_ERR(pas->dtb_pas_ctx)) {
- ret = PTR_ERR(pas->dtb_pas_ctx);
- goto remove_ssr_sysmon;
- }
-
- pas->pas_ctx->use_tzmem = rproc->has_iommu;
- pas->dtb_pas_ctx->use_tzmem = rproc->has_iommu;
ret = rproc_add(rproc);
if (ret)
goto remove_ssr_sysmon;
--
2.53.0