drm/panel: ili9322: Constify struct regmap_bus

`ili9322_regmap_bus` 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-v1-5-e609d502401b@gmail.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9322.c b/drivers/gpu/drm/panel/panel-ilitek-ili9322.c
index 4a6dcfd781e8336fc5a8af893dfbb6d2baace80e..94b7dfef3b5e280f02f3127e965e418b6d497c7f 100644 (file)
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9322.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9322.c
@@ -318,7 +318,7 @@ static int ili9322_regmap_spi_read(void *context, const void *reg,
        return spi_write_then_read(spi, buf, 1, val, 1);
 }
 
-static struct regmap_bus ili9322_regmap_bus = {
+static const struct regmap_bus ili9322_regmap_bus = {
        .write = ili9322_regmap_spi_write,
        .read = ili9322_regmap_spi_read,
        .reg_format_endian_default = REGMAP_ENDIAN_BIG,