linux-kernel - [PATCH v3 06/11] firmware: qcom: scm: remove unused arguments to the shm

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Message-Id: <20250327-qcom-tee-using-tee-ss-without-mem-obj-v3-6-7f457073282d@oss.qualcomm.com>
Date: Thu, 27 Mar 2025 19:47:28 -0700
From: Amirreza Zarrabi <amirreza.zarrabi@....qualcomm.com>
To: Jens Wiklander <jens.wiklander@...aro.org>,
        Sumit Garg <sumit.garg@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
        Apurupa Pattapu <quic_apurupa@...cinc.com>,
        Kees Cook <kees@...nel.org>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Christian König <christian.koenig@....com>
Cc: linux-arm-msm@...r.kernel.org, op-tee@...ts.trustedfirmware.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linaro-mm-sig@...ts.linaro.org,
        linux-doc@...r.kernel.org,
        Amirreza Zarrabi <amirreza.zarrabi@....qualcomm.com>
Subject: [PATCH v3 06/11] firmware: qcom: scm: remove unused arguments to
 the shm_brige

shm_bridge create/delete functions always use the scm device.
There is no need to pass it as an argument.

Signed-off-by: Amirreza Zarrabi <amirreza.zarrabi@....qualcomm.com>
---
 drivers/firmware/qcom/qcom_scm.c       | 4 ++--
 drivers/firmware/qcom/qcom_tzmem.c     | 8 ++++----
 include/linux/firmware/qcom/qcom_scm.h | 4 ++--
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c
index bff1b0d3306e..9fd5f900d327 100644
--- a/drivers/firmware/qcom/qcom_scm.c
+++ b/drivers/firmware/qcom/qcom_scm.c
@@ -1631,7 +1631,7 @@ int qcom_scm_shm_bridge_enable(void)
 }
 EXPORT_SYMBOL_GPL(qcom_scm_shm_bridge_enable);
 
-int qcom_scm_shm_bridge_create(struct device *dev, u64 pfn_and_ns_perm_flags,
+int qcom_scm_shm_bridge_create(u64 pfn_and_ns_perm_flags,
 			       u64 ipfn_and_s_perm_flags, u64 size_and_flags,
 			       u64 ns_vmids, u64 *handle)
 {
@@ -1659,7 +1659,7 @@ int qcom_scm_shm_bridge_create(struct device *dev, u64 pfn_and_ns_perm_flags,
 }
 EXPORT_SYMBOL_GPL(qcom_scm_shm_bridge_create);
 
-int qcom_scm_shm_bridge_delete(struct device *dev, u64 handle)
+int qcom_scm_shm_bridge_delete(u64 handle)
 {
 	struct qcom_scm_desc desc = {
 		.svc = QCOM_SCM_SVC_MP,
diff --git a/drivers/firmware/qcom/qcom_tzmem.c b/drivers/firmware/qcom/qcom_tzmem.c
index 92b365178235..548dbd346b1b 100644
--- a/drivers/firmware/qcom/qcom_tzmem.c
+++ b/drivers/firmware/qcom/qcom_tzmem.c
@@ -123,9 +123,9 @@ static int qcom_tzmem_init_area(struct qcom_tzmem_area *area)
 	if (!handle)
 		return -ENOMEM;
 
-	ret = qcom_scm_shm_bridge_create(qcom_tzmem_dev, pfn_and_ns_perm,
-					 ipfn_and_s_perm, size_and_flags,
-					 QCOM_SCM_VMID_HLOS, handle);
+	ret = qcom_scm_shm_bridge_create(pfn_and_ns_perm, ipfn_and_s_perm,
+					 size_and_flags, QCOM_SCM_VMID_HLOS,
+					 handle);
 	if (ret)
 		return ret;
 
@@ -141,7 +141,7 @@ static void qcom_tzmem_cleanup_area(struct qcom_tzmem_area *area)
 	if (!qcom_tzmem_using_shm_bridge)
 		return;
 
-	qcom_scm_shm_bridge_delete(qcom_tzmem_dev, *handle);
+	qcom_scm_shm_bridge_delete(*handle);
 	kfree(handle);
 }
 
diff --git a/include/linux/firmware/qcom/qcom_scm.h b/include/linux/firmware/qcom/qcom_scm.h
index bf5e64f6deba..33fde08dce70 100644
--- a/include/linux/firmware/qcom/qcom_scm.h
+++ b/include/linux/firmware/qcom/qcom_scm.h
@@ -149,10 +149,10 @@ bool qcom_scm_lmh_dcvsh_available(void);
 int qcom_scm_gpu_init_regs(u32 gpu_req);
 
 int qcom_scm_shm_bridge_enable(void);
-int qcom_scm_shm_bridge_create(struct device *dev, u64 pfn_and_ns_perm_flags,
+int qcom_scm_shm_bridge_create(u64 pfn_and_ns_perm_flags,
 			       u64 ipfn_and_s_perm_flags, u64 size_and_flags,
 			       u64 ns_vmids, u64 *handle);
-int qcom_scm_shm_bridge_delete(struct device *dev, u64 handle);
+int qcom_scm_shm_bridge_delete(u64 handle);
 
 #ifdef CONFIG_QCOM_QSEECOM
 

-- 
2.34.1