spi: sh-hspi: Make of_device_id array const

Make of_device_id array const, because all OF functions handle
it as const.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/spi/spi-sh-hspi.c b/drivers/spi/spi-sh-hspi.c
index c8e795ef2e13..94b5faed21e2 100644
--- a/drivers/spi/spi-sh-hspi.c
+++ b/drivers/spi/spi-sh-hspi.c
@@ -304,7 +304,7 @@ static int hspi_remove(struct platform_device *pdev)
         return 0;
 }
 
-static struct of_device_id hspi_of_match[] = {
+static const struct of_device_id hspi_of_match[] = {
         { .compatible = "renesas,hspi", },
         { /* sentinel */ }
 };