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[v6,2/3] soundwire: qcom: constify static struct qcom_swrm_data global variables

Message ID 1646224982-3361-3-git-send-email-quic_srivasam@quicinc.com
State Accepted
Commit 35732a0694cd2e8642d90f9b49a99742faadd869
Headers show
Series Add support for SoundWire1.6 audio cgcr register control | expand

Commit Message

Srinivasa Rao Mandadapu March 2, 2022, 12:43 p.m. UTC 
The qcom_swrm_data structures is only required for setting soundwire params,
so make the qcom_swrm_data structure const to allow the compiler
to put it in read-only memory and avoid unintentional modifications.

Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
Co-developed-by: Venkata Prasad Potturu <quic_potturu@quicinc.com>
Signed-off-by: Venkata Prasad Potturu <quic_potturu@quicinc.com>
---
 drivers/soundwire/qcom.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index fc41210..2d955ca 100644
--- a/drivers/soundwire/qcom.c
+++ b/drivers/soundwire/qcom.c
@@ -166,12 +166,12 @@  struct qcom_swrm_data {
 	u32 default_rows;
 };
 
-static struct qcom_swrm_data swrm_v1_3_data = {
+static const struct qcom_swrm_data swrm_v1_3_data = {
 	.default_rows = 48,
 	.default_cols = 16,
 };
 
-static struct qcom_swrm_data swrm_v1_5_data = {
+static const struct qcom_swrm_data swrm_v1_5_data = {
 	.default_rows = 50,
 	.default_cols = 16,
 };