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Message-Id: <20230105180340.29140-5-sebastian.reichel@collabora.com>
Date: Thu, 5 Jan 2023 19:03:37 +0100
From: Sebastian Reichel <sebastian.reichel@...labora.com>
To: Heiko Stuebner <heiko@...ech.de>,
"Rafael J. Wysocki" <rafael@...nel.org>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
Amit Kucheria <amitk@...nel.org>,
Zhang Rui <rui.zhang@...el.com>
Cc: Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
linux-pm@...r.kernel.org, linux-rockchip@...ts.infradead.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Sebastian Reichel <sebastian.reichel@...labora.com>,
kernel@...labora.com
Subject: [PATCHv3 4/7] thermal: rockchip: Simplify channel id logic
Replace the channel ID lookup table by a simple offset, since
the channel IDs are consecutive.
Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
---
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 0670584533a5..2c8a8b365c80 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 */
@@ -1406,7 +1400,7 @@ 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);
--
2.39.0
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