[PATCHv3 5/7] thermal: rockchip: Support dynamic sized sensor array

[Sebastian Reichel]

Dynamically allocate the sensors array based on the amount
of platform sensors in preparation for rk3588 support, which
needs 7 sensors.

Reviewed-by: Heiko Stuebner <heiko@xxxxxxxxx>
Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
---
 drivers/thermal/rockchip_thermal.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
index 2c8a8b365c80..c104c60faafd 100644
--- a/drivers/thermal/rockchip_thermal.c
+++ b/drivers/thermal/rockchip_thermal.c
@@ -51,12 +51,6 @@ enum adc_sort_mode {
 
 #include "thermal_hwmon.h"
 
-/**
- * The max sensors is two in rockchip SoCs.
- * Two sensors: CPU and GPU sensor.
- */
-#define SOC_MAX_SENSORS	2
-
 /**
  * struct chip_tsadc_table - hold information about chip-specific differences
  * @id: conversion table
@@ -147,7 +141,7 @@ struct rockchip_thermal_data {
 	struct platform_device *pdev;
 	struct reset_control *reset;
 
-	struct rockchip_thermal_sensor sensors[SOC_MAX_SENSORS];
+	struct rockchip_thermal_sensor *sensors;
 
 	struct clk *clk;
 	struct clk *pclk;
@@ -1367,6 +1361,11 @@ static int rockchip_thermal_probe(struct platform_device *pdev)
 	if (!thermal->chip)
 		return -EINVAL;
 
+	thermal->sensors = devm_kcalloc(&pdev->dev, thermal->chip->chn_num,
+					sizeof(*thermal->sensors), GFP_KERNEL);
+	if (!thermal->sensors)
+		return -ENOMEM;
+
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	thermal->regs = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(thermal->regs))
-- 
2.39.0