openwrt/target/linux/bcm27xx/patches-6.1/950-0614-media-i2c-imx290-Replace-macro-with-explicit-ARRAY_S.patch

From 40361e75c3da4145a21ef6284ad76c28983b4364 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Sun, 16 Oct 2022 09:15:07 +0300
Subject: [PATCH] media: i2c: imx290: Replace macro with explicit
 ARRAY_SIZE()

Upstream commit 2548df538cdd.

Use ARRAY_SIZE(imx290->supplies) for code that needs the size of the
array, instead of relying on the IMX290_NUM_SUPPLIES. The result is less
error-prone as it ties the size to the array.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
 drivers/media/i2c/imx290.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

--- a/drivers/media/i2c/imx290.c
+++ b/drivers/media/i2c/imx290.c
@@ -790,10 +790,10 @@ static int imx290_get_regulators(struct
 {
 	unsigned int i;
 
-	for (i = 0; i < IMX290_NUM_SUPPLIES; i++)
+	for (i = 0; i < ARRAY_SIZE(imx290->supplies); i++)
 		imx290->supplies[i].supply = imx290_supply_name[i];
 
-	return devm_regulator_bulk_get(dev, IMX290_NUM_SUPPLIES,
+	return devm_regulator_bulk_get(dev, ARRAY_SIZE(imx290->supplies),
 				       imx290->supplies);
 }
 
@@ -852,7 +852,8 @@ static int imx290_power_on(struct device
 		return ret;
 	}
 
-	ret = regulator_bulk_enable(IMX290_NUM_SUPPLIES, imx290->supplies);
+	ret = regulator_bulk_enable(ARRAY_SIZE(imx290->supplies),
+				    imx290->supplies);
 	if (ret) {
 		dev_err(dev, "Failed to enable regulators\n");
 		clk_disable_unprepare(imx290->xclk);
@@ -876,7 +877,7 @@ static int imx290_power_off(struct devic
 
 	clk_disable_unprepare(imx290->xclk);
 	gpiod_set_value_cansleep(imx290->rst_gpio, 1);
-	regulator_bulk_disable(IMX290_NUM_SUPPLIES, imx290->supplies);
+	regulator_bulk_disable(ARRAY_SIZE(imx290->supplies), imx290->supplies);
 
 	return 0;
 }