drm/panel: visionox-rm69299: switch to devm_regulator_bulk_get_const()

Switch to devm_regulator_bulk_get_const() to move the supply
data to const.

Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250509-topic-misc-shift6-panel-v2-4-c2c2d52abd51@linaro.org

diff --git a/drivers/gpu/drm/panel/panel-visionox-rm69299.c b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
index ed70887025f782f729d3974e702d1b54f730e662..227c9d5e96c3ede76dbedcab53eea957e6a7dbb6 100644 (file)
--- a/drivers/gpu/drm/panel/panel-visionox-rm69299.c
+++ b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
@@ -24,12 +24,17 @@ struct visionox_rm69299_panel_desc {
 
 struct visionox_rm69299 {
        struct drm_panel panel;
-       struct regulator_bulk_data supplies[2];
+       struct regulator_bulk_data *supplies;
        struct gpio_desc *reset_gpio;
        struct mipi_dsi_device *dsi;
        const struct visionox_rm69299_panel_desc *desc;
 };
 
+static const struct regulator_bulk_data visionox_rm69299_supplies[] = {
+       { .supply = "vdda", .init_load_uA = 32000 },
+       { .supply = "vdd3p3", .init_load_uA = 13200 },
+};
+
 static const u8 visionox_rm69299_1080x2248_60hz_init_seq[][2] = {
        { 0xfe, 0x00 }, { 0xc2, 0x08 }, { 0x35, 0x00 }, { 0x51, 0xff },
 };
@@ -43,7 +48,8 @@ static int visionox_rm69299_power_on(struct visionox_rm69299 *ctx)
 {
        int ret;
 
-       ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
+       ret = regulator_bulk_enable(ARRAY_SIZE(visionox_rm69299_supplies),
+                                   ctx->supplies);
        if (ret < 0)
                return ret;
 
@@ -66,7 +72,8 @@ static int visionox_rm69299_power_off(struct visionox_rm69299 *ctx)
 {
        gpiod_set_value(ctx->reset_gpio, 0);
 
-       return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
+       return regulator_bulk_disable(ARRAY_SIZE(visionox_rm69299_supplies),
+                                     ctx->supplies);
 }
 
 static int visionox_rm69299_unprepare(struct drm_panel *panel)
@@ -174,12 +181,8 @@ static int visionox_rm69299_probe(struct mipi_dsi_device *dsi)
 
        ctx->dsi = dsi;
 
-       ctx->supplies[0].supply = "vdda";
-       ctx->supplies[0].init_load_uA = 32000;
-       ctx->supplies[1].supply = "vdd3p3";
-       ctx->supplies[1].init_load_uA = 13200;
-
-       ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies), ctx->supplies);
+       ret = devm_regulator_bulk_get_const(dev, ARRAY_SIZE(visionox_rm69299_supplies),
+                                           visionox_rm69299_supplies, &ctx->supplies);
        if (ret < 0)
                return ret;