linux-kernel - [PATCH 2/8] media: iris: turn platform data into constants

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20251008-iris-sc7280-v1-2-def050ba5e1f@oss.qualcomm.com>
Date: Wed, 08 Oct 2025 07:33:00 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Vikash Garodia <vikash.garodia@....qualcomm.com>,
        Dikshita Agarwal <dikshita.agarwal@....qualcomm.com>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Bryan O'Donoghue <bod@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Cc: linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/8] media: iris: turn platform data into constants

Make all struct iris_platform_data instances constant, they are not
modified at runtime.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
---
 drivers/media/platform/qcom/iris/iris_platform_common.h | 10 +++++-----
 drivers/media/platform/qcom/iris/iris_platform_gen2.c   |  8 ++++----
 drivers/media/platform/qcom/iris/iris_platform_sm8250.c |  2 +-
 3 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/media/platform/qcom/iris/iris_platform_common.h b/drivers/media/platform/qcom/iris/iris_platform_common.h
index 17ed86bf78bb3b0bc3f0862253fba6505ac3d164..5ffc1874e8c6362b1c650e912c230e9c4e3bd160 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_common.h
+++ b/drivers/media/platform/qcom/iris/iris_platform_common.h
@@ -41,11 +41,11 @@ enum pipe_type {
 	PIPE_4 = 4,
 };
 
-extern struct iris_platform_data qcs8300_data;
-extern struct iris_platform_data sm8250_data;
-extern struct iris_platform_data sm8550_data;
-extern struct iris_platform_data sm8650_data;
-extern struct iris_platform_data sm8750_data;
+extern const struct iris_platform_data qcs8300_data;
+extern const struct iris_platform_data sm8250_data;
+extern const struct iris_platform_data sm8550_data;
+extern const struct iris_platform_data sm8650_data;
+extern const struct iris_platform_data sm8750_data;
 
 enum platform_clk_type {
 	IRIS_AXI_CLK, /* AXI0 in case of platforms with multiple AXI clocks */
diff --git a/drivers/media/platform/qcom/iris/iris_platform_gen2.c b/drivers/media/platform/qcom/iris/iris_platform_gen2.c
index cbf38e13f89e5c4c46e759fbb86777854d751552..b444e816355624bca8248cce9da7adcd7caf6c5b 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_gen2.c
+++ b/drivers/media/platform/qcom/iris/iris_platform_gen2.c
@@ -737,7 +737,7 @@ static const u32 sm8550_enc_op_int_buf_tbl[] = {
 	BUF_SCRATCH_2,
 };
 
-struct iris_platform_data sm8550_data = {
+const struct iris_platform_data sm8550_data = {
 	.get_instance = iris_hfi_gen2_get_instance,
 	.init_hfi_command_ops = iris_hfi_gen2_command_ops_init,
 	.init_hfi_response_ops = iris_hfi_gen2_response_ops_init,
@@ -827,7 +827,7 @@ struct iris_platform_data sm8550_data = {
  * - controller_rst_tbl to sm8650_controller_reset_table
  * - fwname to "qcom/vpu/vpu33_p4.mbn"
  */
-struct iris_platform_data sm8650_data = {
+const struct iris_platform_data sm8650_data = {
 	.get_instance = iris_hfi_gen2_get_instance,
 	.init_hfi_command_ops = iris_hfi_gen2_command_ops_init,
 	.init_hfi_response_ops = iris_hfi_gen2_response_ops_init,
@@ -912,7 +912,7 @@ struct iris_platform_data sm8650_data = {
 	.enc_op_int_buf_tbl_size = ARRAY_SIZE(sm8550_enc_op_int_buf_tbl),
 };
 
-struct iris_platform_data sm8750_data = {
+const struct iris_platform_data sm8750_data = {
 	.get_instance = iris_hfi_gen2_get_instance,
 	.init_hfi_command_ops = iris_hfi_gen2_command_ops_init,
 	.init_hfi_response_ops = iris_hfi_gen2_response_ops_init,
@@ -998,7 +998,7 @@ struct iris_platform_data sm8750_data = {
  * - inst_caps to platform_inst_cap_qcs8300
  * - inst_fw_caps to inst_fw_cap_qcs8300
  */
-struct iris_platform_data qcs8300_data = {
+const struct iris_platform_data qcs8300_data = {
 	.get_instance = iris_hfi_gen2_get_instance,
 	.init_hfi_command_ops = iris_hfi_gen2_command_ops_init,
 	.init_hfi_response_ops = iris_hfi_gen2_response_ops_init,
diff --git a/drivers/media/platform/qcom/iris/iris_platform_sm8250.c b/drivers/media/platform/qcom/iris/iris_platform_sm8250.c
index e29cba993fde922b579eb7e5a59ae34bb46f9f0f..66a5bdd24d8a0e98b0554a019438bf4caa1dc43c 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_sm8250.c
+++ b/drivers/media/platform/qcom/iris/iris_platform_sm8250.c
@@ -314,7 +314,7 @@ static const u32 sm8250_enc_ip_int_buf_tbl[] = {
 	BUF_SCRATCH_2,
 };
 
-struct iris_platform_data sm8250_data = {
+const struct iris_platform_data sm8250_data = {
 	.get_instance = iris_hfi_gen1_get_instance,
 	.init_hfi_command_ops = &iris_hfi_gen1_command_ops_init,
 	.init_hfi_response_ops = iris_hfi_gen1_response_ops_init,

-- 
2.47.3