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-rw-r--r--drivers/remoteproc/mtk_scp_ipi.c2
-rw-r--r--include/linux/remoteproc/mtk_scp.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/remoteproc/mtk_scp_ipi.c b/drivers/remoteproc/mtk_scp_ipi.c
index 7a37e273b3af..ee2f1121411f 100644
--- a/drivers/remoteproc/mtk_scp_ipi.c
+++ b/drivers/remoteproc/mtk_scp_ipi.c
@@ -156,7 +156,7 @@ EXPORT_SYMBOL_GPL(scp_ipi_unlock);
*
* Return: 0 if sending data successfully, -error on error.
**/
-int scp_ipi_send(struct mtk_scp *scp, u32 id, void *buf, unsigned int len,
+int scp_ipi_send(struct mtk_scp *scp, u32 id, const void *buf, unsigned int len,
unsigned int wait)
{
struct mtk_share_obj __iomem *send_obj = scp->send_buf;
diff --git a/include/linux/remoteproc/mtk_scp.h b/include/linux/remoteproc/mtk_scp.h
index 344ff41c22c7..4070537d6542 100644
--- a/include/linux/remoteproc/mtk_scp.h
+++ b/include/linux/remoteproc/mtk_scp.h
@@ -58,7 +58,7 @@ int scp_ipi_register(struct mtk_scp *scp, u32 id, scp_ipi_handler_t handler,
void *priv);
void scp_ipi_unregister(struct mtk_scp *scp, u32 id);
-int scp_ipi_send(struct mtk_scp *scp, u32 id, void *buf, unsigned int len,
+int scp_ipi_send(struct mtk_scp *scp, u32 id, const void *buf, unsigned int len,
unsigned int wait);
unsigned int scp_get_vdec_hw_capa(struct mtk_scp *scp);