linux-kernel - [PATCH][next] media: rkisp1: make a few const arrays static

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Date:   Thu,  5 Jan 2023 18:44:03 +0000
From:   Colin Ian King <colin.i.king@...il.com>
To:     Dafna Hirschfeld <dafna@...tmail.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>, linux-media@...r.kernel.org,
        linux-rockchip@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH][next] media: rkisp1: make a few const arrays static

Don't populate the const arrays on the stack, instead make them
static. Also makes the object code smaller.

Signed-off-by: Colin Ian King <colin.i.king@...il.com>
---
 .../platform/rockchip/rkisp1/rkisp1-capture.c     | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
index d4540684ea9a..d1d1fdce03e3 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
@@ -1131,10 +1131,12 @@ static void rkisp1_try_fmt(const struct rkisp1_capture *cap,
 	const struct rkisp1_capture_config *config = cap->config;
 	const struct rkisp1_capture_fmt_cfg *fmt;
 	const struct v4l2_format_info *info;
-	const unsigned int max_widths[] = { RKISP1_RSZ_MP_SRC_MAX_WIDTH,
-					    RKISP1_RSZ_SP_SRC_MAX_WIDTH };
-	const unsigned int max_heights[] = { RKISP1_RSZ_MP_SRC_MAX_HEIGHT,
-					     RKISP1_RSZ_SP_SRC_MAX_HEIGHT};
+	static const unsigned int max_widths[] = {
+		RKISP1_RSZ_MP_SRC_MAX_WIDTH, RKISP1_RSZ_SP_SRC_MAX_WIDTH
+	};
+	static const unsigned int max_heights[] = {
+		RKISP1_RSZ_MP_SRC_MAX_HEIGHT, RKISP1_RSZ_SP_SRC_MAX_HEIGHT
+	};
 
 	fmt = rkisp1_find_fmt_cfg(cap, pixm->pixelformat);
 	if (!fmt) {
@@ -1336,8 +1338,9 @@ void rkisp1_capture_devs_unregister(struct rkisp1_device *rkisp1)
 
 static int rkisp1_register_capture(struct rkisp1_capture *cap)
 {
-	const char * const dev_names[] = {RKISP1_MP_DEV_NAME,
-					  RKISP1_SP_DEV_NAME};
+	static const char * const dev_names[] = {
+		RKISP1_MP_DEV_NAME, RKISP1_SP_DEV_NAME
+	};
 	struct v4l2_device *v4l2_dev = &cap->rkisp1->v4l2_dev;
 	struct video_device *vdev = &cap->vnode.vdev;
 	struct rkisp1_vdev_node *node;
-- 
2.30.2