From: Thierry Reding <tred...@nvidia.com>

struct mipi_dsi_msg is a read-only structure, drivers should never need
to modify it. Make this explicit by making all references to the struct
const.

Acked-by: Andrzej Hajda <a.hajda at samsung.com>
Signed-off-by: Thierry Reding <treding at nvidia.com>
---
 drivers/gpu/drm/exynos/exynos_drm_dsi.c | 2 +-
 include/drm/drm_mipi_dsi.h              | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c 
b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index acf7e9e39dcd..f43d25896f3b 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1236,7 +1236,7 @@ static bool exynos_dsi_is_short_dsi_type(u8 type)
 }

 static ssize_t exynos_dsi_host_transfer(struct mipi_dsi_host *host,
-                                      struct mipi_dsi_msg *msg)
+                                       const struct mipi_dsi_msg *msg)
 {
        struct exynos_dsi *dsi = host_to_dsi(host);
        struct exynos_dsi_transfer xfer;
diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
index e37b1962ab7e..6600cf630585 100644
--- a/include/drm/drm_mipi_dsi.h
+++ b/include/drm/drm_mipi_dsi.h
@@ -74,7 +74,7 @@ struct mipi_dsi_host_ops {
        int (*detach)(struct mipi_dsi_host *host,
                      struct mipi_dsi_device *dsi);
        ssize_t (*transfer)(struct mipi_dsi_host *host,
-                           struct mipi_dsi_msg *msg);
+                           const struct mipi_dsi_msg *msg);
 };

 /**
-- 
2.1.2

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