linux-kernel - [PATCH] media: rkisp1: make const arrays ae_wnd_num and hist_wnd

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Message-Id: <20221102155117.144570-1-colin.i.king@gmail.com>
Date:   Wed,  2 Nov 2022 15:51:17 +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] media: rkisp1: make const arrays ae_wnd_num and hist_wnd_num 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>
---
 drivers/media/platform/rockchip/rkisp1/rkisp1-params.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c
index d8731ebbf479..3482f7d707b7 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c
@@ -715,7 +715,7 @@ static void rkisp1_aec_config_v12(struct rkisp1_params *params,
 	u32 exp_ctrl;
 	u32 block_hsize, block_vsize;
 	u32 wnd_num_idx = 1;
-	const u32 ae_wnd_num[] = { 5, 9, 15, 15 };
+	static const u32 ae_wnd_num[] = { 5, 9, 15, 15 };
 
 	/* avoid to override the old enable value */
 	exp_ctrl = rkisp1_read(params->rkisp1, RKISP1_CIF_ISP_EXP_CTRL);
@@ -822,7 +822,7 @@ static void rkisp1_hst_config_v12(struct rkisp1_params *params,
 	u32 block_hsize, block_vsize;
 	u32 wnd_num_idx, hist_weight_num, hist_ctrl, value;
 	u8 weight15x15[RKISP1_CIF_ISP_HIST_WEIGHT_REG_SIZE_V12];
-	const u32 hist_wnd_num[] = { 5, 9, 15, 15 };
+	static const u32 hist_wnd_num[] = { 5, 9, 15, 15 };
 
 	/* now we just support 9x9 window */
 	wnd_num_idx = 1;
-- 
2.37.3