[PATCH v2 5/8] media: camss: Add regulator_bulk support

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Add the ability to enable or disable multiple regulators in bulk with
camss. This is useful for sm8250, sdm845 and it looks like sdm660 where we
have more than one CSI regulator to do at once.

It should just work for standalone existing vdda regulators and parts which
don't have an explicitly defined CSI regulator.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
Reported-by: Vladimir Zapolskiy <vladimir.zapolskiy@xxxxxxxxxx>
---
 .../media/platform/qcom/camss/camss-csid.c    | 43 ++++++---
 .../media/platform/qcom/camss/camss-csid.h    |  3 +-
 drivers/media/platform/qcom/camss/camss.c     | 94 +++++++++----------
 drivers/media/platform/qcom/camss/camss.h     |  2 +-
 4 files changed, 79 insertions(+), 63 deletions(-)

diff --git a/drivers/media/platform/qcom/camss/camss-csid.c b/drivers/media/platform/qcom/camss/camss-csid.c
index 32f82e471bae1..00ef35e7786d4 100644
--- a/drivers/media/platform/qcom/camss/camss-csid.c
+++ b/drivers/media/platform/qcom/camss/camss-csid.c
@@ -173,7 +173,8 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
 		if (ret < 0)
 			return ret;
 
-		ret = csid->vdda ? regulator_enable(csid->vdda) : 0;
+		ret = regulator_bulk_enable(csid->num_supplies,
+					    csid->supplies);
 		if (ret < 0) {
 			pm_runtime_put_sync(dev);
 			return ret;
@@ -181,16 +182,16 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
 
 		ret = csid_set_clock_rates(csid);
 		if (ret < 0) {
-			if (csid->vdda)
-				regulator_disable(csid->vdda);
+			regulator_bulk_disable(csid->num_supplies,
+					       csid->supplies);
 			pm_runtime_put_sync(dev);
 			return ret;
 		}
 
 		ret = camss_enable_clocks(csid->nclocks, csid->clock, dev);
 		if (ret < 0) {
-			if (csid->vdda)
-				regulator_disable(csid->vdda);
+			regulator_bulk_disable(csid->num_supplies,
+					       csid->supplies);
 			pm_runtime_put_sync(dev);
 			return ret;
 		}
@@ -201,8 +202,8 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
 		if (ret < 0) {
 			disable_irq(csid->irq);
 			camss_disable_clocks(csid->nclocks, csid->clock);
-			if (csid->vdda)
-				regulator_disable(csid->vdda);
+			regulator_bulk_disable(csid->num_supplies,
+					       csid->supplies);
 			pm_runtime_put_sync(dev);
 			return ret;
 		}
@@ -211,7 +212,8 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
 	} else {
 		disable_irq(csid->irq);
 		camss_disable_clocks(csid->nclocks, csid->clock);
-		ret = csid->vdda ? regulator_disable(csid->vdda) : 0;
+		regulator_bulk_disable(csid->num_supplies,
+				       csid->supplies);
 		pm_runtime_put_sync(dev);
 		if (version == CAMSS_8250 || version == CAMSS_845)
 			vfe_put(vfe);
@@ -660,15 +662,28 @@ int msm_csid_subdev_init(struct camss *camss, struct csid_device *csid,
 	}
 
 	/* Regulator */
+	for (i = 0; i < ARRAY_SIZE(res->regulators); i++) {
+		if (res->regulators[i])
+			csid->num_supplies++;
+	}
 
-	csid->vdda = NULL;
-	if (res->regulator[0])
-		csid->vdda = devm_regulator_get(dev, res->regulator[0]);
-	if (IS_ERR(csid->vdda)) {
-		dev_err(dev, "could not get regulator\n");
-		return PTR_ERR(csid->vdda);
+	if (csid->num_supplies) {
+		csid->supplies = devm_kmalloc_array(camss->dev,
+						    csid->num_supplies,
+						    sizeof(csid->supplies),
+						    GFP_KERNEL);
+		if (!csid->supplies)
+			return -ENOMEM;
 	}
 
+	for (i = 0; i < csid->num_supplies; i++)
+		csid->supplies[i].supply = res->regulators[i];
+
+	ret = devm_regulator_bulk_get(camss->dev, csid->num_supplies,
+				      csid->supplies);
+	if (ret)
+		return ret;
+
 	init_completion(&csid->reset_complete);
 
 	return 0;
diff --git a/drivers/media/platform/qcom/camss/camss-csid.h b/drivers/media/platform/qcom/camss/camss-csid.h
index 17a50fa426be1..f06040e44c515 100644
--- a/drivers/media/platform/qcom/camss/camss-csid.h
+++ b/drivers/media/platform/qcom/camss/camss-csid.h
@@ -152,7 +152,8 @@ struct csid_device {
 	char irq_name[30];
 	struct camss_clock *clock;
 	int nclocks;
-	struct regulator *vdda;
+	struct regulator_bulk_data *supplies;
+	int num_supplies;
 	struct completion reset_complete;
 	struct csid_testgen_config testgen;
 	struct csid_phy_config phy;
diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
index d9905e737d88d..419c48c4f1d52 100644
--- a/drivers/media/platform/qcom/camss/camss.c
+++ b/drivers/media/platform/qcom/camss/camss.c
@@ -34,7 +34,7 @@
 static const struct resources csiphy_res_8x16[] = {
 	/* CSIPHY0 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "top_ahb", "ispif_ahb", "ahb", "csiphy0_timer" },
 		.clock_rate = { { 0 },
 				{ 0 },
@@ -46,7 +46,7 @@ static const struct resources csiphy_res_8x16[] = {
 
 	/* CSIPHY1 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "top_ahb", "ispif_ahb", "ahb", "csiphy1_timer" },
 		.clock_rate = { { 0 },
 				{ 0 },
@@ -60,7 +60,7 @@ static const struct resources csiphy_res_8x16[] = {
 static const struct resources csid_res_8x16[] = {
 	/* CSID0 */
 	{
-		.regulator = { "vdda" },
+		.regulators = { "vdda" },
 		.clock = { "top_ahb", "ispif_ahb", "csi0_ahb", "ahb",
 			   "csi0", "csi0_phy", "csi0_pix", "csi0_rdi" },
 		.clock_rate = { { 0 },
@@ -77,7 +77,7 @@ static const struct resources csid_res_8x16[] = {
 
 	/* CSID1 */
 	{
-		.regulator = { "vdda" },
+		.regulators = { "vdda" },
 		.clock = { "top_ahb", "ispif_ahb", "csi1_ahb", "ahb",
 			   "csi1", "csi1_phy", "csi1_pix", "csi1_rdi" },
 		.clock_rate = { { 0 },
@@ -107,7 +107,7 @@ static const struct resources_ispif ispif_res_8x16 = {
 static const struct resources vfe_res_8x16[] = {
 	/* VFE0 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "top_ahb", "vfe0", "csi_vfe0",
 			   "vfe_ahb", "vfe_axi", "ahb" },
 		.clock_rate = { { 0 },
@@ -129,7 +129,7 @@ static const struct resources vfe_res_8x16[] = {
 static const struct resources csiphy_res_8x96[] = {
 	/* CSIPHY0 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "top_ahb", "ispif_ahb", "ahb", "csiphy0_timer" },
 		.clock_rate = { { 0 },
 				{ 0 },
@@ -141,7 +141,7 @@ static const struct resources csiphy_res_8x96[] = {
 
 	/* CSIPHY1 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "top_ahb", "ispif_ahb", "ahb", "csiphy1_timer" },
 		.clock_rate = { { 0 },
 				{ 0 },
@@ -153,7 +153,7 @@ static const struct resources csiphy_res_8x96[] = {
 
 	/* CSIPHY2 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "top_ahb", "ispif_ahb", "ahb", "csiphy2_timer" },
 		.clock_rate = { { 0 },
 				{ 0 },
@@ -167,7 +167,7 @@ static const struct resources csiphy_res_8x96[] = {
 static const struct resources csid_res_8x96[] = {
 	/* CSID0 */
 	{
-		.regulator = { "vdda" },
+		.regulators = { "vdda" },
 		.clock = { "top_ahb", "ispif_ahb", "csi0_ahb", "ahb",
 			   "csi0", "csi0_phy", "csi0_pix", "csi0_rdi" },
 		.clock_rate = { { 0 },
@@ -184,7 +184,7 @@ static const struct resources csid_res_8x96[] = {
 
 	/* CSID1 */
 	{
-		.regulator = { "vdda" },
+		.regulators = { "vdda" },
 		.clock = { "top_ahb", "ispif_ahb", "csi1_ahb", "ahb",
 			   "csi1", "csi1_phy", "csi1_pix", "csi1_rdi" },
 		.clock_rate = { { 0 },
@@ -201,7 +201,7 @@ static const struct resources csid_res_8x96[] = {
 
 	/* CSID2 */
 	{
-		.regulator = { "vdda" },
+		.regulators = { "vdda" },
 		.clock = { "top_ahb", "ispif_ahb", "csi2_ahb", "ahb",
 			   "csi2", "csi2_phy", "csi2_pix", "csi2_rdi" },
 		.clock_rate = { { 0 },
@@ -218,7 +218,7 @@ static const struct resources csid_res_8x96[] = {
 
 	/* CSID3 */
 	{
-		.regulator = { "vdda" },
+		.regulators = { "vdda" },
 		.clock = { "top_ahb", "ispif_ahb", "csi3_ahb", "ahb",
 			   "csi3", "csi3_phy", "csi3_pix", "csi3_rdi" },
 		.clock_rate = { { 0 },
@@ -249,7 +249,7 @@ static const struct resources_ispif ispif_res_8x96 = {
 static const struct resources vfe_res_8x96[] = {
 	/* VFE0 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "top_ahb", "ahb", "vfe0", "csi_vfe0", "vfe_ahb",
 			   "vfe0_ahb", "vfe_axi", "vfe0_stream"},
 		.clock_rate = { { 0 },
@@ -267,7 +267,7 @@ static const struct resources vfe_res_8x96[] = {
 
 	/* VFE1 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "top_ahb", "ahb", "vfe1", "csi_vfe1", "vfe_ahb",
 			   "vfe1_ahb", "vfe_axi", "vfe1_stream"},
 		.clock_rate = { { 0 },
@@ -287,7 +287,7 @@ static const struct resources vfe_res_8x96[] = {
 static const struct resources csiphy_res_660[] = {
 	/* CSIPHY0 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "top_ahb", "ispif_ahb", "ahb", "csiphy0_timer",
 			   "csi0_phy", "csiphy_ahb2crif" },
 		.clock_rate = { { 0 },
@@ -301,7 +301,7 @@ static const struct resources csiphy_res_660[] = {
 
 	/* CSIPHY1 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "top_ahb", "ispif_ahb", "ahb", "csiphy1_timer",
 			   "csi1_phy", "csiphy_ahb2crif" },
 		.clock_rate = { { 0 },
@@ -315,7 +315,7 @@ static const struct resources csiphy_res_660[] = {
 
 	/* CSIPHY2 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "top_ahb", "ispif_ahb", "ahb", "csiphy2_timer",
 			   "csi2_phy", "csiphy_ahb2crif" },
 		.clock_rate = { { 0 },
@@ -331,7 +331,7 @@ static const struct resources csiphy_res_660[] = {
 static const struct resources csid_res_660[] = {
 	/* CSID0 */
 	{
-		.regulator = { "vdda", "vdd_sec" },
+		.regulators = { "vdda", "vdd_sec" },
 		.clock = { "top_ahb", "ispif_ahb", "csi0_ahb", "ahb",
 			   "csi0", "csi0_phy", "csi0_pix", "csi0_rdi",
 			   "cphy_csid0" },
@@ -351,7 +351,7 @@ static const struct resources csid_res_660[] = {
 
 	/* CSID1 */
 	{
-		.regulator = { "vdda", "vdd_sec" },
+		.regulators = { "vdda", "vdd_sec" },
 		.clock = { "top_ahb", "ispif_ahb", "csi1_ahb", "ahb",
 			   "csi1", "csi1_phy", "csi1_pix", "csi1_rdi",
 			   "cphy_csid1" },
@@ -371,7 +371,7 @@ static const struct resources csid_res_660[] = {
 
 	/* CSID2 */
 	{
-		.regulator = { "vdda", "vdd_sec" },
+		.regulators = { "vdda", "vdd_sec" },
 		.clock = { "top_ahb", "ispif_ahb", "csi2_ahb", "ahb",
 			   "csi2", "csi2_phy", "csi2_pix", "csi2_rdi",
 			   "cphy_csid2" },
@@ -391,7 +391,7 @@ static const struct resources csid_res_660[] = {
 
 	/* CSID3 */
 	{
-		.regulator = { "vdda", "vdd_sec" },
+		.regulators = { "vdda", "vdd_sec" },
 		.clock = { "top_ahb", "ispif_ahb", "csi3_ahb", "ahb",
 			   "csi3", "csi3_phy", "csi3_pix", "csi3_rdi",
 			   "cphy_csid3" },
@@ -425,7 +425,7 @@ static const struct resources_ispif ispif_res_660 = {
 static const struct resources vfe_res_660[] = {
 	/* VFE0 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "throttle_axi", "top_ahb", "ahb", "vfe0",
 			   "csi_vfe0", "vfe_ahb", "vfe0_ahb", "vfe_axi",
 			   "vfe0_stream"},
@@ -446,7 +446,7 @@ static const struct resources vfe_res_660[] = {
 
 	/* VFE1 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "throttle_axi", "top_ahb", "ahb", "vfe1",
 			   "csi_vfe1", "vfe_ahb", "vfe1_ahb", "vfe_axi",
 			   "vfe1_stream"},
@@ -469,7 +469,7 @@ static const struct resources vfe_res_660[] = {
 static const struct resources csiphy_res_845[] = {
 	/* CSIPHY0 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "camnoc_axi", "soc_ahb", "slow_ahb_src",
 				"cpas_ahb", "cphy_rx_src", "csiphy0",
 				"csiphy0_timer_src", "csiphy0_timer" },
@@ -487,7 +487,7 @@ static const struct resources csiphy_res_845[] = {
 
 	/* CSIPHY1 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "camnoc_axi", "soc_ahb", "slow_ahb_src",
 				"cpas_ahb", "cphy_rx_src", "csiphy1",
 				"csiphy1_timer_src", "csiphy1_timer" },
@@ -505,7 +505,7 @@ static const struct resources csiphy_res_845[] = {
 
 	/* CSIPHY2 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "camnoc_axi", "soc_ahb", "slow_ahb_src",
 				"cpas_ahb", "cphy_rx_src", "csiphy2",
 				"csiphy2_timer_src", "csiphy2_timer" },
@@ -523,7 +523,7 @@ static const struct resources csiphy_res_845[] = {
 
 	/* CSIPHY3 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "camnoc_axi", "soc_ahb", "slow_ahb_src",
 				"cpas_ahb", "cphy_rx_src", "csiphy3",
 				"csiphy3_timer_src", "csiphy3_timer" },
@@ -543,7 +543,7 @@ static const struct resources csiphy_res_845[] = {
 static const struct resources csid_res_845[] = {
 	/* CSID0 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "cpas_ahb", "cphy_rx_src", "slow_ahb_src",
 				"soc_ahb", "vfe0", "vfe0_src",
 				"vfe0_cphy_rx", "csi0",
@@ -563,7 +563,7 @@ static const struct resources csid_res_845[] = {
 
 	/* CSID1 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "cpas_ahb", "cphy_rx_src", "slow_ahb_src",
 				"soc_ahb", "vfe1", "vfe1_src",
 				"vfe1_cphy_rx", "csi1",
@@ -583,7 +583,7 @@ static const struct resources csid_res_845[] = {
 
 	/* CSID2 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "cpas_ahb", "cphy_rx_src", "slow_ahb_src",
 				"soc_ahb", "vfe_lite", "vfe_lite_src",
 				"vfe_lite_cphy_rx", "csi2",
@@ -605,7 +605,7 @@ static const struct resources csid_res_845[] = {
 static const struct resources vfe_res_845[] = {
 	/* VFE0 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "camnoc_axi", "cpas_ahb", "slow_ahb_src",
 				"soc_ahb", "vfe0", "vfe0_axi",
 				"vfe0_src", "csi0",
@@ -625,7 +625,7 @@ static const struct resources vfe_res_845[] = {
 
 	/* VFE1 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "camnoc_axi", "cpas_ahb", "slow_ahb_src",
 				"soc_ahb", "vfe1", "vfe1_axi",
 				"vfe1_src", "csi1",
@@ -645,7 +645,7 @@ static const struct resources vfe_res_845[] = {
 
 	/* VFE-lite */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "camnoc_axi", "cpas_ahb", "slow_ahb_src",
 				"soc_ahb", "vfe_lite",
 				"vfe_lite_src", "csi2",
@@ -666,7 +666,7 @@ static const struct resources vfe_res_845[] = {
 static const struct resources csiphy_res_8250[] = {
 	/* CSIPHY0 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "csiphy0", "csiphy0_timer" },
 		.clock_rate = { { 400000000 },
 				{ 300000000 } },
@@ -675,7 +675,7 @@ static const struct resources csiphy_res_8250[] = {
 	},
 	/* CSIPHY1 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "csiphy1", "csiphy1_timer" },
 		.clock_rate = { { 400000000 },
 				{ 300000000 } },
@@ -684,7 +684,7 @@ static const struct resources csiphy_res_8250[] = {
 	},
 	/* CSIPHY2 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "csiphy2", "csiphy2_timer" },
 		.clock_rate = { { 400000000 },
 				{ 300000000 } },
@@ -693,7 +693,7 @@ static const struct resources csiphy_res_8250[] = {
 	},
 	/* CSIPHY3 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "csiphy3", "csiphy3_timer" },
 		.clock_rate = { { 400000000 },
 				{ 300000000 } },
@@ -702,7 +702,7 @@ static const struct resources csiphy_res_8250[] = {
 	},
 	/* CSIPHY4 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "csiphy4", "csiphy4_timer" },
 		.clock_rate = { { 400000000 },
 				{ 300000000 } },
@@ -711,7 +711,7 @@ static const struct resources csiphy_res_8250[] = {
 	},
 	/* CSIPHY5 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "csiphy5", "csiphy5_timer" },
 		.clock_rate = { { 400000000 },
 				{ 300000000 } },
@@ -723,7 +723,7 @@ static const struct resources csiphy_res_8250[] = {
 static const struct resources csid_res_8250[] = {
 	/* CSID0 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "vfe0_csid", "vfe0_cphy_rx", "vfe0", "vfe0_areg", "vfe0_ahb" },
 		.clock_rate = { { 400000000 },
 				{ 400000000 },
@@ -735,7 +735,7 @@ static const struct resources csid_res_8250[] = {
 	},
 	/* CSID1 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "vfe1_csid", "vfe1_cphy_rx", "vfe1", "vfe1_areg", "vfe1_ahb" },
 		.clock_rate = { { 400000000 },
 				{ 400000000 },
@@ -747,7 +747,7 @@ static const struct resources csid_res_8250[] = {
 	},
 	/* CSID2 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "vfe_lite_csid", "vfe_lite_cphy_rx", "vfe_lite",  "vfe_lite_ahb" },
 		.clock_rate = { { 400000000 },
 				{ 400000000 },
@@ -758,7 +758,7 @@ static const struct resources csid_res_8250[] = {
 	},
 	/* CSID3 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "vfe_lite_csid", "vfe_lite_cphy_rx", "vfe_lite",  "vfe_lite_ahb" },
 		.clock_rate = { { 400000000 },
 				{ 400000000 },
@@ -772,7 +772,7 @@ static const struct resources csid_res_8250[] = {
 static const struct resources vfe_res_8250[] = {
 	/* VFE0 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "camnoc_axi_src", "slow_ahb_src", "cpas_ahb",
 			   "camnoc_axi", "vfe0_ahb", "vfe0_areg", "vfe0",
 			   "vfe0_axi", "cam_hf_axi" },
@@ -790,7 +790,7 @@ static const struct resources vfe_res_8250[] = {
 	},
 	/* VFE1 */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "camnoc_axi_src", "slow_ahb_src", "cpas_ahb",
 			   "camnoc_axi", "vfe1_ahb", "vfe1_areg", "vfe1",
 			   "vfe1_axi", "cam_hf_axi" },
@@ -808,7 +808,7 @@ static const struct resources vfe_res_8250[] = {
 	},
 	/* VFE2 (lite) */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "camnoc_axi_src", "slow_ahb_src", "cpas_ahb",
 			   "camnoc_axi", "vfe_lite_ahb", "vfe_lite_axi",
 			   "vfe_lite", "cam_hf_axi" },
@@ -825,7 +825,7 @@ static const struct resources vfe_res_8250[] = {
 	},
 	/* VFE3 (lite) */
 	{
-		.regulator = { NULL },
+		.regulators = { NULL },
 		.clock = { "camnoc_axi_src", "slow_ahb_src", "cpas_ahb",
 			   "camnoc_axi", "vfe_lite_ahb", "vfe_lite_axi",
 			   "vfe_lite", "cam_hf_axi" },
diff --git a/drivers/media/platform/qcom/camss/camss.h b/drivers/media/platform/qcom/camss/camss.h
index 9c644e638a948..c9b3e0df5be8f 100644
--- a/drivers/media/platform/qcom/camss/camss.h
+++ b/drivers/media/platform/qcom/camss/camss.h
@@ -42,7 +42,7 @@
 #define CAMSS_RES_MAX 17
 
 struct resources {
-	char *regulator[CAMSS_RES_MAX];
+	char *regulators[CAMSS_RES_MAX];
 	char *clock[CAMSS_RES_MAX];
 	u32 clock_rate[CAMSS_RES_MAX][CAMSS_RES_MAX];
 	char *reg[CAMSS_RES_MAX];
-- 
2.33.0




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