Re: [RESEND] [PATCHv3 4/7] thermal: rockchip: Simplify channel id logic

Daniel Lezcano <daniel.lezcano@xxxxxxxxxx> · Wed, 8 Mar 2023 19:13:22 +0100

On 08/03/2023 12:22, Sebastian Reichel wrote:
Replace the channel ID lookup table by a simple offset, since
the channel IDs are consecutive.

Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>

As all the other patches are reviewed by Heiko, is the tag missing here?


---
  drivers/thermal/rockchip_thermal.c | 48 +++++++++++++-----------------
  1 file changed, 21 insertions(+), 27 deletions(-)

diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
index 9ed45b318344..bcbdd618daae 100644
--- a/drivers/thermal/rockchip_thermal.c
+++ b/drivers/thermal/rockchip_thermal.c
@@ -39,15 +39,6 @@ enum tshut_polarity {
  	TSHUT_HIGH_ACTIVE,
  };
  
-/*
- * The system has two Temperature Sensors.
- * sensor0 is for CPU, and sensor1 is for GPU.
- */
-enum sensor_id {
-	SENSOR_CPU = 0,
-	SENSOR_GPU,
-};
-
  /*
   * The conversion table has the adc value and temperature.
   * ADC_DECREMENT: the adc value is of diminishing.(e.g. rk3288_code_table)
@@ -82,7 +73,7 @@ struct chip_tsadc_table {
  
  /**
   * struct rockchip_tsadc_chip - hold the private data of tsadc chip
- * @chn_id: array of sensor ids of chip corresponding to the channel
+ * @chn_offset: the channel offset of the first channel
   * @chn_num: the channel number of tsadc chip
   * @tshut_temp: the hardware-controlled shutdown temperature value
   * @tshut_mode: the hardware-controlled shutdown mode (0:CRU 1:GPIO)
@@ -98,7 +89,7 @@ struct chip_tsadc_table {
   */
  struct rockchip_tsadc_chip {
  	/* The sensor id of chip correspond to the ADC channel */
-	int chn_id[SOC_MAX_SENSORS];
+	int chn_offset;
  	int chn_num;
  
  	/* The hardware-controlled tshut property */
@@ -925,8 +916,8 @@ static void rk_tsadcv2_tshut_mode(int chn, void __iomem *regs,
  }
  
  static const struct rockchip_tsadc_chip px30_tsadc_data = {
-	.chn_id[SENSOR_CPU] = 0, /* cpu sensor is channel 0 */
-	.chn_id[SENSOR_GPU] = 1, /* gpu sensor is channel 1 */
+	/* cpu, gpu */
+	.chn_offset = 0,
  	.chn_num = 2, /* 2 channels for tsadc */
  
  	.tshut_mode = TSHUT_MODE_CRU, /* default TSHUT via CRU */
@@ -949,7 +940,8 @@ static const struct rockchip_tsadc_chip px30_tsadc_data = {
  };
  
  static const struct rockchip_tsadc_chip rv1108_tsadc_data = {
-	.chn_id[SENSOR_CPU] = 0, /* cpu sensor is channel 0 */
+	/* cpu */
+	.chn_offset = 0,
  	.chn_num = 1, /* one channel for tsadc */
  
  	.tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */
@@ -973,7 +965,8 @@ static const struct rockchip_tsadc_chip rv1108_tsadc_data = {
  };
  
  static const struct rockchip_tsadc_chip rk3228_tsadc_data = {
-	.chn_id[SENSOR_CPU] = 0, /* cpu sensor is channel 0 */
+	/* cpu */
+	.chn_offset = 0,
  	.chn_num = 1, /* one channel for tsadc */
  
  	.tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */
@@ -997,8 +990,8 @@ static const struct rockchip_tsadc_chip rk3228_tsadc_data = {
  };
  
  static const struct rockchip_tsadc_chip rk3288_tsadc_data = {
-	.chn_id[SENSOR_CPU] = 1, /* cpu sensor is channel 1 */
-	.chn_id[SENSOR_GPU] = 2, /* gpu sensor is channel 2 */
+	/* cpu, gpu */
+	.chn_offset = 1,
  	.chn_num = 2, /* two channels for tsadc */
  
  	.tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */
@@ -1022,7 +1015,8 @@ static const struct rockchip_tsadc_chip rk3288_tsadc_data = {
  };
  
  static const struct rockchip_tsadc_chip rk3328_tsadc_data = {
-	.chn_id[SENSOR_CPU] = 0, /* cpu sensor is channel 0 */
+	/* cpu */
+	.chn_offset = 0,
  	.chn_num = 1, /* one channels for tsadc */
  
  	.tshut_mode = TSHUT_MODE_CRU, /* default TSHUT via CRU */
@@ -1045,8 +1039,8 @@ static const struct rockchip_tsadc_chip rk3328_tsadc_data = {
  };
  
  static const struct rockchip_tsadc_chip rk3366_tsadc_data = {
-	.chn_id[SENSOR_CPU] = 0, /* cpu sensor is channel 0 */
-	.chn_id[SENSOR_GPU] = 1, /* gpu sensor is channel 1 */
+	/* cpu, gpu */
+	.chn_offset = 0,
  	.chn_num = 2, /* two channels for tsadc */
  
  	.tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */
@@ -1070,8 +1064,8 @@ static const struct rockchip_tsadc_chip rk3366_tsadc_data = {
  };
  
  static const struct rockchip_tsadc_chip rk3368_tsadc_data = {
-	.chn_id[SENSOR_CPU] = 0, /* cpu sensor is channel 0 */
-	.chn_id[SENSOR_GPU] = 1, /* gpu sensor is channel 1 */
+	/* cpu, gpu */
+	.chn_offset = 0,
  	.chn_num = 2, /* two channels for tsadc */
  
  	.tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */
@@ -1095,8 +1089,8 @@ static const struct rockchip_tsadc_chip rk3368_tsadc_data = {
  };
  
  static const struct rockchip_tsadc_chip rk3399_tsadc_data = {
-	.chn_id[SENSOR_CPU] = 0, /* cpu sensor is channel 0 */
-	.chn_id[SENSOR_GPU] = 1, /* gpu sensor is channel 1 */
+	/* cpu, gpu */
+	.chn_offset = 0,
  	.chn_num = 2, /* two channels for tsadc */
  
  	.tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */
@@ -1120,8 +1114,8 @@ static const struct rockchip_tsadc_chip rk3399_tsadc_data = {
  };
  
  static const struct rockchip_tsadc_chip rk3568_tsadc_data = {
-	.chn_id[SENSOR_CPU] = 0, /* cpu sensor is channel 0 */
-	.chn_id[SENSOR_GPU] = 1, /* gpu sensor is channel 1 */
+	/* cpu, gpu */
+	.chn_offset = 0,
  	.chn_num = 2, /* two channels for tsadc */
  
  	.tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */
@@ -1404,7 +1398,7 @@ static int rockchip_thermal_probe(struct platform_device *pdev)
  	for (i = 0; i < thermal->chip->chn_num; i++) {
  		error = rockchip_thermal_register_sensor(pdev, thermal,
  						&thermal->sensors[i],
-						thermal->chip->chn_id[i]);
+						thermal->chip->chn_offset + i);
  		if (error)
  			return dev_err_probe(&pdev->dev, error,
  				"failed to register sensor[%d].\n", i);

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