linux-kernel - [PATCH v2 3/8] regulator: bd71828: Constify pointers to 'regulator

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Message-Id: <20251126-container-of-const-regulator-v2-3-7ad3408d6f29@oss.qualcomm.com>
Date: Wed, 26 Nov 2025 18:40:07 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
To: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
        Bartosz Golaszewski <brgl@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
        Samuel Kayode <samkay014@...il.com>,
        Matti Vaittinen <mazziesaccount@...il.com>
Cc: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, imx@...ts.linux.dev,
        Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
Subject: [PATCH v2 3/8] regulator: bd71828: Constify pointers to
 'regulator_desc' wrap struct

Pointer to 'struct regulator_desc' is a pointer to const and the
wrapping structure (container) is not being modified, thus entire syntax
can be replaced to preferred and safer container_of_const().

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
---
 drivers/regulator/bd71828-regulator.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/bd71828-regulator.c b/drivers/regulator/bd71828-regulator.c
index dd871ffe979c..87de87793fa1 100644
--- a/drivers/regulator/bd71828-regulator.c
+++ b/drivers/regulator/bd71828-regulator.c
@@ -95,9 +95,9 @@ static int buck_set_hw_dvs_levels(struct device_node *np,
 				  const struct regulator_desc *desc,
 				  struct regulator_config *cfg)
 {
-	struct bd71828_regulator_data *data;
+	const struct bd71828_regulator_data *data;
 
-	data = container_of(desc, struct bd71828_regulator_data, desc);
+	data = container_of_const(desc, struct bd71828_regulator_data, desc);
 
 	return rohm_regulator_set_dvs_levels(&data->dvs, np, desc, cfg->regmap);
 }

-- 
2.48.1