drm/fsl-dcu: Constify struct regmap_config

`fsl_tcon_regmap_config` is not modified and can be declared as const to
move its data to a read-only section.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240925-drm-const-regmap-v1-2-e609d502401b@gmail.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

diff --git a/drivers/gpu/drm/fsl-dcu/fsl_tcon.c b/drivers/gpu/drm/fsl-dcu/fsl_tcon.c
index 9eb5aba..49bbd00 100644 (file)
--- a/drivers/gpu/drm/fsl-dcu/fsl_tcon.c
+++ b/drivers/gpu/drm/fsl-dcu/fsl_tcon.c
@@ -29,7 +29,7 @@ void fsl_tcon_bypass_enable(struct fsl_tcon *tcon)
                           FSL_TCON_CTRL1_TCON_BYPASS);
 }
 
-static struct regmap_config fsl_tcon_regmap_config = {
+static const struct regmap_config fsl_tcon_regmap_config = {
        .reg_bits = 32,
        .reg_stride = 4,
        .val_bits = 32,