regulator: pcap: Constify static data

Driver does not modify static data with regulator description (struct
pcap_regulator), so make it const for code safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240909-regulator-const-v1-12-8934704a5787@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/pcap-regulator.c

@@ -105,7 +105,7 @@ struct pcap_regulator {
 		.lowpwr		= _lowpwr,				\
 	}
 
-static struct pcap_regulator vreg_table[] = {
+static const struct pcap_regulator vreg_table[] = {
 	VREG_INFO(V1,    PCAP_REG_VREG1,   1,  2,  18, 0),
 	VREG_INFO(V2,    PCAP_REG_VREG1,   5,  6,  19, 22),
 	VREG_INFO(V3,    PCAP_REG_VREG1,   7,  8,  20, 23),
@@ -141,7 +141,7 @@ static struct pcap_regulator vreg_table[] = {
 static int pcap_regulator_set_voltage_sel(struct regulator_dev *rdev,
 					  unsigned selector)
 {
-	struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
+	const struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
 	void *pcap = rdev_get_drvdata(rdev);
 
 	/* the regulator doesn't support voltage switching */
@@ -155,7 +155,7 @@ static int pcap_regulator_set_voltage_sel(struct regulator_dev *rdev,
 
 static int pcap_regulator_get_voltage_sel(struct regulator_dev *rdev)
 {
-	struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
+	const struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
 	void *pcap = rdev_get_drvdata(rdev);
 	u32 tmp;
 
@@ -169,7 +169,7 @@ static int pcap_regulator_get_voltage_sel(struct regulator_dev *rdev)
 
 static int pcap_regulator_enable(struct regulator_dev *rdev)
 {
-	struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
+	const struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
 	void *pcap = rdev_get_drvdata(rdev);
 
 	if (vreg->en == NA)
@@ -180,7 +180,7 @@ static int pcap_regulator_enable(struct regulator_dev *rdev)
 
 static int pcap_regulator_disable(struct regulator_dev *rdev)
 {
-	struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
+	const struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
 	void *pcap = rdev_get_drvdata(rdev);
 
 	if (vreg->en == NA)
@@ -191,7 +191,7 @@ static int pcap_regulator_disable(struct regulator_dev *rdev)
 
 static int pcap_regulator_is_enabled(struct regulator_dev *rdev)
 {
-	struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
+	const struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
 	void *pcap = rdev_get_drvdata(rdev);
 	u32 tmp;