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-rw-r--r--include/drm/drm_mipi_dbi.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/drm/drm_mipi_dbi.h b/include/drm/drm_mipi_dbi.h
index 30ebdfd8a51f..0ef004001775 100644
--- a/include/drm/drm_mipi_dbi.h
+++ b/include/drm/drm_mipi_dbi.h
@@ -170,7 +170,8 @@ int mipi_dbi_spi_transfer(struct spi_device *spi, u32 speed_hz,
int mipi_dbi_command_read(struct mipi_dbi *dbi, u8 cmd, u8 *val);
int mipi_dbi_command_buf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len);
-int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len);
+int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, const u8 *data,
+ size_t len);
int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb,
struct drm_rect *clip, bool swap);
/**
@@ -187,7 +188,7 @@ int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb,
*/
#define mipi_dbi_command(dbi, cmd, seq...) \
({ \
- u8 d[] = { seq }; \
+ const u8 d[] = { seq }; \
mipi_dbi_command_stackbuf(dbi, cmd, d, ARRAY_SIZE(d)); \
})