firmware: qcom_scm: Remove SCM PAS wrappers

Now since all the Qcom SCM client drivers have been migrated over to
generic PAS TZ service, let's drop the exported SCM PAS wrappers.

Reviewed-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
Tested-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com> # Lemans
Tested-by: Vignesh Viswanathan <vignesh.viswanathan@oss.qualcomm.com> # IPQ9650
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260702115835.167602-14-sumit.garg@kernel.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

1 files changed, 29 insertions, 114 deletions

diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c
index 3eaa4c9ccf3c..363362a59b5a 100644
--- a/drivers/firmware/qcom/qcom_scm.c
+++ b/drivers/firmware/qcom/qcom_scm.c
@@ -576,26 +576,6 @@ static void qcom_scm_set_download_mode(struct qcom_scm *scm, u32 dload_mode)
 		writel_relaxed(minidump_dest, scm->minidump_sram);
 }
 
-struct qcom_scm_pas_context *devm_qcom_scm_pas_context_alloc(struct device *dev,
-							     u32 pas_id,
-							     phys_addr_t mem_phys,
-							     size_t mem_size)
-{
-	struct qcom_pas_context *ctx;
-
-	ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
-	if (!ctx)
-		return ERR_PTR(-ENOMEM);
-
-	ctx->dev = dev;
-	ctx->pas_id = pas_id;
-	ctx->mem_phys = mem_phys;
-	ctx->mem_size = mem_size;
-
-	return (struct qcom_scm_pas_context *)ctx;
-}
-EXPORT_SYMBOL_GPL(devm_qcom_scm_pas_context_alloc);
-
 static int __qcom_scm_pas_init_image(struct device *dev, u32 pas_id,
 				     dma_addr_t mdata_phys,
 				     struct qcom_scm_res *res)
@@ -653,9 +633,9 @@ static int qcom_scm_pas_prep_and_init_image(struct device *dev,
 	return ret ? : res.result[0];
 }
 
-static int __qcom_scm_pas_init_image2(struct device *dev, u32 pas_id,
-				      const void *metadata, size_t size,
-				      struct qcom_pas_context *ctx)
+static int qcom_scm_pas_init_image(struct device *dev, u32 pas_id,
+				   const void *metadata, size_t size,
+				   struct qcom_pas_context *ctx)
 {
 	struct qcom_scm_res res;
 	dma_addr_t mdata_phys;
@@ -695,16 +675,8 @@ static int __qcom_scm_pas_init_image2(struct device *dev, u32 pas_id,
 	return ret ? : res.result[0];
 }
 
-int qcom_scm_pas_init_image(u32 pas_id, const void *metadata, size_t size,
-			    struct qcom_scm_pas_context *ctx)
-{
-	return __qcom_scm_pas_init_image2(__scm->dev, pas_id, metadata, size,
-					  (struct qcom_pas_context *)ctx);
-}
-EXPORT_SYMBOL_GPL(qcom_scm_pas_init_image);
-
-static void __qcom_scm_pas_metadata_release(struct device *dev,
-					    struct qcom_pas_context *ctx)
+static void qcom_scm_pas_metadata_release(struct device *dev,
+					  struct qcom_pas_context *ctx)
 {
 	if (ctx->use_tzmem)
 		qcom_tzmem_free(ctx->ptr);
@@ -714,15 +686,8 @@ static void __qcom_scm_pas_metadata_release(struct device *dev,
 	ctx->ptr = NULL;
 }
 
-void qcom_scm_pas_metadata_release(struct qcom_scm_pas_context *ctx)
-{
-	__qcom_scm_pas_metadata_release(__scm->dev,
-					(struct qcom_pas_context *)ctx);
-}
-EXPORT_SYMBOL_GPL(qcom_scm_pas_metadata_release);
-
-static int __qcom_scm_pas_mem_setup(struct device *dev, u32 pas_id,
-				    phys_addr_t addr, phys_addr_t size)
+static int qcom_scm_pas_mem_setup(struct device *dev, u32 pas_id,
+				  phys_addr_t addr, phys_addr_t size)
 {
 	int ret;
 	struct qcom_scm_desc desc = {
@@ -753,12 +718,6 @@ disable_clk:
 	return ret ? : res.result[0];
 }
 
-int qcom_scm_pas_mem_setup(u32 pas_id, phys_addr_t addr, phys_addr_t size)
-{
-	return __qcom_scm_pas_mem_setup(__scm->dev, pas_id, addr, size);
-}
-EXPORT_SYMBOL_GPL(qcom_scm_pas_mem_setup);
-
 static void *__qcom_scm_pas_get_rsc_table(struct device *dev, u32 pas_id,
 					  void *input_rt_tzm,
 					  size_t input_rt_size,
@@ -812,11 +771,10 @@ free_output_rt:
 	return ret ? ERR_PTR(ret) : output_rt_tzm;
 }
 
-static void *__qcom_scm_pas_get_rsc_table2(struct device *dev,
-					   struct qcom_pas_context *ctx,
-					   void *input_rt,
-					   size_t input_rt_size,
-					   size_t *output_rt_size)
+static void *qcom_scm_pas_get_rsc_table(struct device *dev,
+					struct qcom_pas_context *ctx,
+					void *input_rt, size_t input_rt_size,
+					size_t *output_rt_size)
 {
 	struct resource_table empty_rsc = {};
 	size_t size = SZ_16K;
@@ -887,19 +845,7 @@ disable_clk:
 	return ret ? ERR_PTR(ret) : tbl_ptr;
 }
 
-struct resource_table *qcom_scm_pas_get_rsc_table(struct qcom_scm_pas_context *ctx,
-						  void *input_rt,
-						  size_t input_rt_size,
-						  size_t *output_rt_size)
-{
-	return __qcom_scm_pas_get_rsc_table2(__scm->dev,
-					     (struct qcom_pas_context *)ctx,
-					     input_rt, input_rt_size,
-					     output_rt_size);
-}
-EXPORT_SYMBOL_GPL(qcom_scm_pas_get_rsc_table);
-
-static int __qcom_scm_pas_auth_and_reset(struct device *dev, u32 pas_id)
+static int qcom_scm_pas_auth_and_reset(struct device *dev, u32 pas_id)
 {
 	int ret;
 	struct qcom_scm_desc desc = {
@@ -928,14 +874,8 @@ disable_clk:
 	return ret ? : res.result[0];
 }
 
-int qcom_scm_pas_auth_and_reset(u32 pas_id)
-{
-	return __qcom_scm_pas_auth_and_reset(__scm->dev, pas_id);
-}
-EXPORT_SYMBOL_GPL(qcom_scm_pas_auth_and_reset);
-
-static int __qcom_scm_pas_prepare_and_auth_reset(struct device *dev,
-						 struct qcom_pas_context *ctx)
+static int qcom_scm_pas_prepare_and_auth_reset(struct device *dev,
+					       struct qcom_pas_context *ctx)
 {
 	u64 handle;
 	int ret;
@@ -946,7 +886,7 @@ static int __qcom_scm_pas_prepare_and_auth_reset(struct device *dev,
 	 * memory region and then invokes a call to TrustZone to authenticate.
 	 */
 	if (!ctx->use_tzmem)
-		return __qcom_scm_pas_auth_and_reset(dev, ctx->pas_id);
+		return qcom_scm_pas_auth_and_reset(dev, ctx->pas_id);
 
 	/*
 	 * When Linux runs @ EL2 Linux must create the shmbridge itself and then
@@ -956,21 +896,14 @@ static int __qcom_scm_pas_prepare_and_auth_reset(struct device *dev,
 	if (ret)
 		return ret;
 
-	ret = __qcom_scm_pas_auth_and_reset(dev, ctx->pas_id);
+	ret = qcom_scm_pas_auth_and_reset(dev, ctx->pas_id);
 	qcom_tzmem_shm_bridge_delete(handle);
 
 	return ret;
 }
 
-int qcom_scm_pas_prepare_and_auth_reset(struct qcom_scm_pas_context *ctx)
-{
-	return __qcom_scm_pas_prepare_and_auth_reset(__scm->dev,
-						     (struct qcom_pas_context *)ctx);
-}
-EXPORT_SYMBOL_GPL(qcom_scm_pas_prepare_and_auth_reset);
-
-static int __qcom_scm_pas_set_remote_state(struct device *dev, u32 state,
-					   u32 pas_id)
+static int qcom_scm_pas_set_remote_state(struct device *dev, u32 state,
+					 u32 pas_id)
 {
 	struct qcom_scm_desc desc = {
 		.svc = QCOM_SCM_SVC_BOOT,
@@ -988,13 +921,7 @@ static int __qcom_scm_pas_set_remote_state(struct device *dev, u32 state,
 	return ret ? : res.result[0];
 }
 
-int qcom_scm_set_remote_state(u32 state, u32 id)
-{
-	return __qcom_scm_pas_set_remote_state(__scm->dev, state, id);
-}
-EXPORT_SYMBOL_GPL(qcom_scm_set_remote_state);
-
-static int __qcom_scm_pas_shutdown(struct device *dev, u32 pas_id)
+static int qcom_scm_pas_shutdown(struct device *dev, u32 pas_id)
 {
 	int ret;
 	struct qcom_scm_desc desc = {
@@ -1023,13 +950,7 @@ disable_clk:
 	return ret ? : res.result[0];
 }
 
-int qcom_scm_pas_shutdown(u32 pas_id)
-{
-	return __qcom_scm_pas_shutdown(__scm->dev, pas_id);
-}
-EXPORT_SYMBOL_GPL(qcom_scm_pas_shutdown);
-
-static bool __qcom_scm_pas_supported(struct device *dev, u32 pas_id)
+static bool qcom_scm_pas_supported(struct device *dev, u32 pas_id)
 {
 	int ret;
 	struct qcom_scm_desc desc = {
@@ -1050,23 +971,17 @@ static bool __qcom_scm_pas_supported(struct device *dev, u32 pas_id)
 	return ret ? false : !!res.result[0];
 }
 
-bool qcom_scm_pas_supported(u32 pas_id)
-{
-	return __qcom_scm_pas_supported(__scm->dev, pas_id);
-}
-EXPORT_SYMBOL_GPL(qcom_scm_pas_supported);
-
 static struct qcom_pas_ops qcom_pas_ops_scm = {
 	.drv_name		= "qcom_scm",
-	.supported		= __qcom_scm_pas_supported,
-	.init_image		= __qcom_scm_pas_init_image2,
-	.mem_setup		= __qcom_scm_pas_mem_setup,
-	.get_rsc_table		= __qcom_scm_pas_get_rsc_table2,
-	.auth_and_reset		= __qcom_scm_pas_auth_and_reset,
-	.prepare_and_auth_reset	= __qcom_scm_pas_prepare_and_auth_reset,
-	.set_remote_state	= __qcom_scm_pas_set_remote_state,
-	.shutdown		= __qcom_scm_pas_shutdown,
-	.metadata_release	= __qcom_scm_pas_metadata_release,
+	.supported		= qcom_scm_pas_supported,
+	.init_image		= qcom_scm_pas_init_image,
+	.mem_setup		= qcom_scm_pas_mem_setup,
+	.get_rsc_table		= qcom_scm_pas_get_rsc_table,
+	.auth_and_reset		= qcom_scm_pas_auth_and_reset,
+	.prepare_and_auth_reset	= qcom_scm_pas_prepare_and_auth_reset,
+	.set_remote_state	= qcom_scm_pas_set_remote_state,
+	.shutdown		= qcom_scm_pas_shutdown,
+	.metadata_release	= qcom_scm_pas_metadata_release,
 };
 
 /**