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-rw-r--r--drivers/thermal/Kconfig2
-rw-r--r--drivers/thermal/armada_thermal.c280
-rw-r--r--drivers/thermal/broadcom/bcm2835_thermal.c11
-rw-r--r--drivers/thermal/broadcom/brcmstb_thermal.c24
-rw-r--r--drivers/thermal/imx_thermal.c52
-rw-r--r--drivers/thermal/intel_powerclamp.c14
-rw-r--r--drivers/thermal/qcom/tsens-common.c12
-rw-r--r--drivers/thermal/rcar_thermal.c8
-rw-r--r--drivers/thermal/st/Makefile2
-rw-r--r--drivers/thermal/tegra/soctherm.c12
-rw-r--r--drivers/thermal/thermal-generic-adc.c12
-rw-r--r--drivers/thermal/thermal_hwmon.h4
-rw-r--r--drivers/thermal/uniphier_thermal.c13
13 files changed, 357 insertions, 89 deletions
diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index 5fbfabbf627b..fdc48a1655e7 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -212,7 +212,7 @@ config HISI_THERMAL
config IMX_THERMAL
tristate "Temperature sensor driver for Freescale i.MX SoCs"
- depends on (ARCH_MXC && CPU_THERMAL) || COMPILE_TEST
+ depends on ARCH_MXC || COMPILE_TEST
depends on NVMEM || !NVMEM
depends on MFD_SYSCON
depends on OF
diff --git a/drivers/thermal/armada_thermal.c b/drivers/thermal/armada_thermal.c
index d7105d01859a..53129de59dd9 100644
--- a/drivers/thermal/armada_thermal.c
+++ b/drivers/thermal/armada_thermal.c
@@ -26,6 +26,11 @@
#include <linux/iopoll.h>
#include <linux/mfd/syscon.h>
#include <linux/regmap.h>
+#include <linux/interrupt.h>
+
+#include "thermal_core.h"
+
+#define TO_MCELSIUS(c) ((c) * 1000)
/* Thermal Manager Control and Status Register */
#define PMU_TDC0_SW_RST_MASK (0x1 << 1)
@@ -61,9 +66,13 @@
#define CONTROL1_TSEN_AVG_MASK 0x7
#define CONTROL1_EXT_TSEN_SW_RESET BIT(7)
#define CONTROL1_EXT_TSEN_HW_RESETn BIT(8)
+#define CONTROL1_TSEN_INT_EN BIT(25)
+#define CONTROL1_TSEN_SELECT_OFF 21
+#define CONTROL1_TSEN_SELECT_MASK 0x3
#define STATUS_POLL_PERIOD_US 1000
#define STATUS_POLL_TIMEOUT_US 100000
+#define OVERHEAT_INT_POLL_DELAY_MS 1000
struct armada_thermal_data;
@@ -75,7 +84,11 @@ struct armada_thermal_priv {
/* serialize temperature reads/updates */
struct mutex update_lock;
struct armada_thermal_data *data;
+ struct thermal_zone_device *overheat_sensor;
+ int interrupt_source;
int current_channel;
+ long current_threshold;
+ long current_hysteresis;
};
struct armada_thermal_data {
@@ -93,12 +106,20 @@ struct armada_thermal_data {
/* Register shift and mask to access the sensor temperature */
unsigned int temp_shift;
unsigned int temp_mask;
+ unsigned int thresh_shift;
+ unsigned int hyst_shift;
+ unsigned int hyst_mask;
u32 is_valid_bit;
/* Syscon access */
unsigned int syscon_control0_off;
unsigned int syscon_control1_off;
unsigned int syscon_status_off;
+ unsigned int dfx_irq_cause_off;
+ unsigned int dfx_irq_mask_off;
+ unsigned int dfx_overheat_irq;
+ unsigned int dfx_server_irq_mask_off;
+ unsigned int dfx_server_irq_en;
/* One sensor is in the thermal IC, the others are in the CPUs if any */
unsigned int cpu_nr;
@@ -272,6 +293,41 @@ static bool armada_is_valid(struct armada_thermal_priv *priv)
return reg & priv->data->is_valid_bit;
}
+static void armada_enable_overheat_interrupt(struct armada_thermal_priv *priv)
+{
+ struct armada_thermal_data *data = priv->data;
+ u32 reg;
+
+ /* Clear DFX temperature IRQ cause */
+ regmap_read(priv->syscon, data->dfx_irq_cause_off, &reg);
+
+ /* Enable DFX Temperature IRQ */
+ regmap_read(priv->syscon, data->dfx_irq_mask_off, &reg);
+ reg |= data->dfx_overheat_irq;
+ regmap_write(priv->syscon, data->dfx_irq_mask_off, reg);
+
+ /* Enable DFX server IRQ */
+ regmap_read(priv->syscon, data->dfx_server_irq_mask_off, &reg);
+ reg |= data->dfx_server_irq_en;
+ regmap_write(priv->syscon, data->dfx_server_irq_mask_off, reg);
+
+ /* Enable overheat interrupt */
+ regmap_read(priv->syscon, data->syscon_control1_off, &reg);
+ reg |= CONTROL1_TSEN_INT_EN;
+ regmap_write(priv->syscon, data->syscon_control1_off, reg);
+}
+
+static void __maybe_unused
+armada_disable_overheat_interrupt(struct armada_thermal_priv *priv)
+{
+ struct armada_thermal_data *data = priv->data;
+ u32 reg;
+
+ regmap_read(priv->syscon, data->syscon_control1_off, &reg);
+ reg &= ~CONTROL1_TSEN_INT_EN;
+ regmap_write(priv->syscon, data->syscon_control1_off, reg);
+}
+
/* There is currently no board with more than one sensor per channel */
static int armada_select_channel(struct armada_thermal_priv *priv, int channel)
{
@@ -388,6 +444,14 @@ static int armada_get_temp(void *_sensor, int *temp)
/* Do the actual reading */
ret = armada_read_sensor(priv, temp);
+ if (ret)
+ goto unlock_mutex;
+
+ /*
+ * Select back the interrupt source channel from which a potential
+ * critical trip point has been set.
+ */
+ ret = armada_select_channel(priv, priv->interrupt_source);
unlock_mutex:
mutex_unlock(&priv->update_lock);
@@ -399,6 +463,123 @@ static const struct thermal_zone_of_device_ops of_ops = {
.get_temp = armada_get_temp,
};
+static unsigned int armada_mc_to_reg_temp(struct armada_thermal_data *data,
+ unsigned int temp_mc)
+{
+ s64 b = data->coef_b;
+ s64 m = data->coef_m;
+ s64 div = data->coef_div;
+ unsigned int sample;
+
+ if (data->inverted)
+ sample = div_s64(((temp_mc * div) + b), m);
+ else
+ sample = div_s64((b - (temp_mc * div)), m);
+
+ return sample & data->temp_mask;
+}
+
+/*
+ * The documentation states:
+ * high/low watermark = threshold +/- 0.4761 * 2^(hysteresis + 2)
+ * which is the mathematical derivation for:
+ * 0x0 <=> 1.9°C, 0x1 <=> 3.8°C, 0x2 <=> 7.6°C, 0x3 <=> 15.2°C
+ */
+static unsigned int hyst_levels_mc[] = {1900, 3800, 7600, 15200};
+
+static unsigned int armada_mc_to_reg_hyst(struct armada_thermal_data *data,
+ unsigned int hyst_mc)
+{
+ int i;
+
+ /*
+ * We will always take the smallest possible hysteresis to avoid risking
+ * the hardware integrity by enlarging the threshold by +8°C in the
+ * worst case.
+ */
+ for (i = ARRAY_SIZE(hyst_levels_mc) - 1; i > 0; i--)
+ if (hyst_mc >= hyst_levels_mc[i])
+ break;
+
+ return i & data->hyst_mask;
+}
+
+static void armada_set_overheat_thresholds(struct armada_thermal_priv *priv,
+ int thresh_mc, int hyst_mc)
+{
+ struct armada_thermal_data *data = priv->data;
+ unsigned int threshold = armada_mc_to_reg_temp(data, thresh_mc);
+ unsigned int hysteresis = armada_mc_to_reg_hyst(data, hyst_mc);
+ u32 ctrl1;
+
+ regmap_read(priv->syscon, data->syscon_control1_off, &ctrl1);
+
+ /* Set Threshold */
+ if (thresh_mc >= 0) {
+ ctrl1 &= ~(data->temp_mask << data->thresh_shift);
+ ctrl1 |= threshold << data->thresh_shift;
+ priv->current_threshold = thresh_mc;
+ }
+
+ /* Set Hysteresis */
+ if (hyst_mc >= 0) {
+ ctrl1 &= ~(data->hyst_mask << data->hyst_shift);
+ ctrl1 |= hysteresis << data->hyst_shift;
+ priv->current_hysteresis = hyst_mc;
+ }
+
+ regmap_write(priv->syscon, data->syscon_control1_off, ctrl1);
+}
+
+static irqreturn_t armada_overheat_isr(int irq, void *blob)
+{
+ /*
+ * Disable the IRQ and continue in thread context (thermal core
+ * notification and temperature monitoring).
+ */
+ disable_irq_nosync(irq);
+
+ return IRQ_WAKE_THREAD;
+}
+
+static irqreturn_t armada_overheat_isr_thread(int irq, void *blob)
+{
+ struct armada_thermal_priv *priv = blob;
+ int low_threshold = priv->current_threshold - priv->current_hysteresis;
+ int temperature;
+ u32 dummy;
+ int ret;
+
+ /* Notify the core in thread context */
+ thermal_zone_device_update(priv->overheat_sensor,
+ THERMAL_EVENT_UNSPECIFIED);
+
+ /*
+ * The overheat interrupt must be cleared by reading the DFX interrupt
+ * cause _after_ the temperature has fallen down to the low threshold.
+ * Otherwise future interrupts might not be served.
+ */
+ do {
+ msleep(OVERHEAT_INT_POLL_DELAY_MS);
+ mutex_lock(&priv->update_lock);
+ ret = armada_read_sensor(priv, &temperature);
+ mutex_unlock(&priv->update_lock);
+ if (ret)
+ goto enable_irq;
+ } while (temperature >= low_threshold);
+
+ regmap_read(priv->syscon, priv->data->dfx_irq_cause_off, &dummy);
+
+ /* Notify the thermal core that the temperature is acceptable again */
+ thermal_zone_device_update(priv->overheat_sensor,
+ THERMAL_EVENT_UNSPECIFIED);
+
+enable_irq:
+ enable_irq(irq);
+
+ return IRQ_HANDLED;
+}
+
static const struct armada_thermal_data armadaxp_data = {
.init = armadaxp_init,
.temp_shift = 10,
@@ -454,6 +635,9 @@ static const struct armada_thermal_data armada_ap806_data = {
.is_valid_bit = BIT(16),
.temp_shift = 0,
.temp_mask = 0x3ff,
+ .thresh_shift = 3,
+ .hyst_shift = 19,
+ .hyst_mask = 0x3,
.coef_b = -150000LL,
.coef_m = 423ULL,
.coef_div = 1,
@@ -462,6 +646,11 @@ static const struct armada_thermal_data armada_ap806_data = {
.syscon_control0_off = 0x84,
.syscon_control1_off = 0x88,
.syscon_status_off = 0x8C,
+ .dfx_irq_cause_off = 0x108,
+ .dfx_irq_mask_off = 0x10C,
+ .dfx_overheat_irq = BIT(22),
+ .dfx_server_irq_mask_off = 0x104,
+ .dfx_server_irq_en = BIT(1),
.cpu_nr = 4,
};
@@ -470,6 +659,9 @@ static const struct armada_thermal_data armada_cp110_data = {
.is_valid_bit = BIT(10),
.temp_shift = 0,
.temp_mask = 0x3ff,
+ .thresh_shift = 16,
+ .hyst_shift = 26,
+ .hyst_mask = 0x3,
.coef_b = 1172499100ULL,
.coef_m = 2000096ULL,
.coef_div = 4201,
@@ -477,6 +669,11 @@ static const struct armada_thermal_data armada_cp110_data = {
.syscon_control0_off = 0x70,
.syscon_control1_off = 0x74,
.syscon_status_off = 0x78,
+ .dfx_irq_cause_off = 0x108,
+ .dfx_irq_mask_off = 0x10C,
+ .dfx_overheat_irq = BIT(20),
+ .dfx_server_irq_mask_off = 0x104,
+ .dfx_server_irq_en = BIT(1),
};
static const struct of_device_id armada_thermal_id_table[] = {
@@ -543,20 +740,14 @@ static int armada_thermal_probe_legacy(struct platform_device *pdev,
priv->syscon = devm_regmap_init_mmio(&pdev->dev, base,
&armada_thermal_regmap_config);
- if (IS_ERR(priv->syscon))
- return PTR_ERR(priv->syscon);
-
- return 0;
+ return PTR_ERR_OR_ZERO(priv->syscon);
}
static int armada_thermal_probe_syscon(struct platform_device *pdev,
struct armada_thermal_priv *priv)
{
priv->syscon = syscon_node_to_regmap(pdev->dev.parent->of_node);
- if (IS_ERR(priv->syscon))
- return PTR_ERR(priv->syscon);
-
- return 0;
+ return PTR_ERR_OR_ZERO(priv->syscon);
}
static void armada_set_sane_name(struct platform_device *pdev,
@@ -590,6 +781,48 @@ static void armada_set_sane_name(struct platform_device *pdev,
} while (insane_char);
}
+/*
+ * The IP can manage to trigger interrupts on overheat situation from all the
+ * sensors. However, the interrupt source changes along with the last selected
+ * source (ie. the last read sensor), which is an inconsistent behavior. Avoid
+ * possible glitches by always selecting back only one channel (arbitrarily: the
+ * first in the DT which has a critical trip point). We also disable sensor
+ * switch during overheat situations.
+ */
+static int armada_configure_overheat_int(struct armada_thermal_priv *priv,
+ struct thermal_zone_device *tz,
+ int sensor_id)
+{
+ /* Retrieve the critical trip point to enable the overheat interrupt */
+ const struct thermal_trip *trips = of_thermal_get_trip_points(tz);
+ int ret;
+ int i;
+
+ if (!trips)
+ return -EINVAL;
+
+ for (i = 0; i < of_thermal_get_ntrips(tz); i++)
+ if (trips[i].type == THERMAL_TRIP_CRITICAL)
+ break;
+
+ if (i == of_thermal_get_ntrips(tz))
+ return -EINVAL;
+
+ ret = armada_select_channel(priv, sensor_id);
+ if (ret)
+ return ret;
+
+ armada_set_overheat_thresholds(priv,
+ trips[i].temperature,
+ trips[i].hysteresis);
+ priv->overheat_sensor = tz;
+ priv->interrupt_source = sensor_id;
+
+ armada_enable_overheat_interrupt(priv);
+
+ return 0;
+}
+
static int armada_thermal_probe(struct platform_device *pdev)
{
struct thermal_zone_device *tz;
@@ -597,7 +830,7 @@ static int armada_thermal_probe(struct platform_device *pdev)
struct armada_drvdata *drvdata;
const struct of_device_id *match;
struct armada_thermal_priv *priv;
- int sensor_id;
+ int sensor_id, irq;
int ret;
match = of_match_device(armada_thermal_id_table, &pdev->dev);
@@ -667,6 +900,23 @@ static int armada_thermal_probe(struct platform_device *pdev)
drvdata->data.priv = priv;
platform_set_drvdata(pdev, drvdata);
+ irq = platform_get_irq(pdev, 0);
+ if (irq == -EPROBE_DEFER)
+ return irq;
+
+ /* The overheat interrupt feature is not mandatory */
+ if (irq > 0) {
+ ret = devm_request_threaded_irq(&pdev->dev, irq,
+ armada_overheat_isr,
+ armada_overheat_isr_thread,
+ 0, NULL, priv);
+ if (ret) {
+ dev_err(&pdev->dev, "Cannot request threaded IRQ %d\n",
+ irq);
+ return ret;
+ }
+ }
+
/*
* There is one channel for the IC and one per CPU (if any), each
* channel has one sensor.
@@ -690,8 +940,20 @@ static int armada_thermal_probe(struct platform_device *pdev)
devm_kfree(&pdev->dev, sensor);
continue;
}
+
+ /*
+ * The first channel that has a critical trip point registered
+ * in the DT will serve as interrupt source. Others possible
+ * critical trip points will simply be ignored by the driver.
+ */
+ if (irq > 0 && !priv->overheat_sensor)
+ armada_configure_overheat_int(priv, tz, sensor->id);
}
+ /* Just complain if no overheat interrupt was set up */
+ if (!priv->overheat_sensor)
+ dev_warn(&pdev->dev, "Overheat interrupt not available\n");
+
return 0;
}
diff --git a/drivers/thermal/broadcom/bcm2835_thermal.c b/drivers/thermal/broadcom/bcm2835_thermal.c
index b9d90f0ed504..720760cd493f 100644
--- a/drivers/thermal/broadcom/bcm2835_thermal.c
+++ b/drivers/thermal/broadcom/bcm2835_thermal.c
@@ -18,6 +18,8 @@
#include <linux/platform_device.h>
#include <linux/thermal.h>
+#include "../thermal_hwmon.h"
+
#define BCM2835_TS_TSENSCTL 0x00
#define BCM2835_TS_TSENSSTAT 0x04
@@ -266,6 +268,15 @@ static int bcm2835_thermal_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, tz);
+ /*
+ * Thermal_zone doesn't enable hwmon as default,
+ * enable it here
+ */
+ tz->tzp->no_hwmon = false;
+ err = thermal_add_hwmon_sysfs(tz);
+ if (err)
+ goto err_tz;
+
bcm2835_thermal_debugfs(pdev);
return 0;
diff --git a/drivers/thermal/broadcom/brcmstb_thermal.c b/drivers/thermal/broadcom/brcmstb_thermal.c
index e8b1570cc388..65704bdd18e4 100644
--- a/drivers/thermal/broadcom/brcmstb_thermal.c
+++ b/drivers/thermal/broadcom/brcmstb_thermal.c
@@ -329,7 +329,8 @@ static int brcmstb_thermal_probe(struct platform_device *pdev)
priv->dev = &pdev->dev;
platform_set_drvdata(pdev, priv);
- thermal = thermal_zone_of_sensor_register(&pdev->dev, 0, priv, &of_ops);
+ thermal = devm_thermal_zone_of_sensor_register(&pdev->dev, 0, priv,
+ &of_ops);
if (IS_ERR(thermal)) {
ret = PTR_ERR(thermal);
dev_err(&pdev->dev, "could not register sensor: %d\n", ret);
@@ -341,40 +342,23 @@ static int brcmstb_thermal_probe(struct platform_device *pdev)
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(&pdev->dev, "could not get IRQ\n");
- ret = irq;
- goto err;
+ return irq;
}
ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
brcmstb_tmon_irq_thread, IRQF_ONESHOT,
DRV_NAME, priv);
if (ret < 0) {
dev_err(&pdev->dev, "could not request IRQ: %d\n", ret);
- goto err;
+ return ret;
}
dev_info(&pdev->dev, "registered AVS TMON of-sensor driver\n");
return 0;
-
-err:
- thermal_zone_of_sensor_unregister(&pdev->dev, thermal);
- return ret;
-}
-
-static int brcmstb_thermal_exit(struct platform_device *pdev)
-{
- struct brcmstb_thermal_priv *priv = platform_get_drvdata(pdev);
- struct thermal_zone_device *thermal = priv->thermal;
-
- if (thermal)
- thermal_zone_of_sensor_unregister(&pdev->dev, priv->thermal);
-
- return 0;
}
static struct platform_driver brcmstb_thermal_driver = {
.probe = brcmstb_thermal_probe,
- .remove = brcmstb_thermal_exit,
.driver = {
.name = DRV_NAME,
.of_match_table = brcmstb_thermal_id_table,
diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c
index 15661549eb67..bb6754a5342c 100644
--- a/drivers/thermal/imx_thermal.c
+++ b/drivers/thermal/imx_thermal.c
@@ -648,15 +648,24 @@ static const struct of_device_id of_imx_thermal_match[] = {
};
MODULE_DEVICE_TABLE(of, of_imx_thermal_match);
+#ifdef CONFIG_CPU_FREQ
/*
* Create cooling device in case no #cooling-cells property is available in
* CPU node
*/
static int imx_thermal_register_legacy_cooling(struct imx_thermal_data *data)
{
- struct device_node *np = of_get_cpu_node(data->policy->cpu, NULL);
+ struct device_node *np;
int ret;
+ data->policy = cpufreq_cpu_get(0);
+ if (!data->policy) {
+ pr_debug("%s: CPUFreq policy not found\n", __func__);
+ return -EPROBE_DEFER;
+ }
+
+ np = of_get_cpu_node(data->policy->cpu, NULL);
+
if (!np || !of_find_property(np, "#cooling-cells", NULL)) {
data->cdev = cpufreq_cooling_register(data->policy);
if (IS_ERR(data->cdev)) {
@@ -669,6 +678,24 @@ static int imx_thermal_register_legacy_cooling(struct imx_thermal_data *data)
return 0;
}
+static void imx_thermal_unregister_legacy_cooling(struct imx_thermal_data *data)
+{
+ cpufreq_cooling_unregister(data->cdev);
+ cpufreq_cpu_put(data->policy);
+}
+
+#else
+
+static inline int imx_thermal_register_legacy_cooling(struct imx_thermal_data *data)
+{
+ return 0;
+}
+
+static inline void imx_thermal_unregister_legacy_cooling(struct imx_thermal_data *data)
+{
+}
+#endif
+
static int imx_thermal_probe(struct platform_device *pdev)
{
struct imx_thermal_data *data;
@@ -715,9 +742,10 @@ static int imx_thermal_probe(struct platform_device *pdev)
if (of_find_property(pdev->dev.of_node, "nvmem-cells", NULL)) {
ret = imx_init_from_nvmem_cells(pdev);
- if (ret == -EPROBE_DEFER)
- return ret;
if (ret) {
+ if (ret == -EPROBE_DEFER)
+ return ret;
+
dev_err(&pdev->dev, "failed to init from nvmem: %d\n",
ret);
return ret;
@@ -743,14 +771,11 @@ static int imx_thermal_probe(struct platform_device *pdev)
regmap_write(map, data->socdata->sensor_ctrl + REG_SET,
data->socdata->power_down_mask);
- data->policy = cpufreq_cpu_get(0);
- if (!data->policy) {
- pr_debug("%s: CPUFreq policy not found\n", __func__);
- return -EPROBE_DEFER;
- }
-
ret = imx_thermal_register_legacy_cooling(data);
if (ret) {
+ if (ret == -EPROBE_DEFER)
+ return ret;
+
dev_err(&pdev->dev,
"failed to register cpufreq cooling device: %d\n", ret);
return ret;
@@ -762,7 +787,7 @@ static int imx_thermal_probe(struct platform_device *pdev)
if (ret != -EPROBE_DEFER)
dev_err(&pdev->dev,
"failed to get thermal clk: %d\n", ret);
- goto cpufreq_put;
+ goto legacy_cleanup;
}
/*
@@ -775,7 +800,7 @@ static int imx_thermal_probe(struct platform_device *pdev)
ret = clk_prepare_enable(data->thermal_clk);
if (ret) {
dev_err(&pdev->dev, "failed to enable thermal clk: %d\n", ret);
- goto cpufreq_put;
+ goto legacy_cleanup;
}
data->tz = thermal_zone_device_register("imx_thermal_zone",
@@ -829,9 +854,8 @@ thermal_zone_unregister:
thermal_zone_device_unregister(data->tz);
clk_disable:
clk_disable_unprepare(data->thermal_clk);
-cpufreq_put:
- cpufreq_cooling_unregister(data->cdev);
- cpufreq_cpu_put(data->policy);
+legacy_cleanup:
+ imx_thermal_unregister_legacy_cooling(data);
return ret;
}
diff --git a/drivers/thermal/intel_powerclamp.c b/drivers/thermal/intel_powerclamp.c
index cde891c54cde..7571f7c2e7c9 100644
--- a/drivers/thermal/intel_powerclamp.c
+++ b/drivers/thermal/intel_powerclamp.c
@@ -708,19 +708,7 @@ static int powerclamp_debug_show(struct seq_file *m, void *unused)
return 0;
}
-static int powerclamp_debug_open(struct inode *inode,
- struct file *file)
-{
- return single_open(file, powerclamp_debug_show, inode->i_private);
-}
-
-static const struct file_operations powerclamp_debug_fops = {
- .open = powerclamp_debug_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
+DEFINE_SHOW_ATTRIBUTE(powerclamp_debug);
static inline void powerclamp_create_debug_files(void)
{
diff --git a/drivers/thermal/qcom/tsens-common.c b/drivers/thermal/qcom/tsens-common.c
index 3be4be2e0465..78652cac7f3d 100644
--- a/drivers/thermal/qcom/tsens-common.c
+++ b/drivers/thermal/qcom/tsens-common.c
@@ -114,6 +114,14 @@ int get_temp_common(struct tsens_device *tmdev, int id, int *temp)
}
static const struct regmap_config tsens_config = {
+ .name = "tm",
+ .reg_bits = 32,
+ .val_bits = 32,
+ .reg_stride = 4,
+};
+
+static const struct regmap_config tsens_srot_config = {
+ .name = "srot",
.reg_bits = 32,
.val_bits = 32,
.reg_stride = 4,
@@ -139,8 +147,8 @@ int __init init_common(struct tsens_device *tmdev)
if (IS_ERR(srot_base))
return PTR_ERR(srot_base);
- tmdev->srot_map = devm_regmap_init_mmio(tmdev->dev,
- srot_base, &tsens_config);
+ tmdev->srot_map = devm_regmap_init_mmio(tmdev->dev, srot_base,
+ &tsens_srot_config);
if (IS_ERR(tmdev->srot_map))
return PTR_ERR(tmdev->srot_map);
diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c
index 8014a207d8d9..97462e9b40d8 100644
--- a/drivers/thermal/rcar_thermal.c
+++ b/drivers/thermal/rcar_thermal.c
@@ -113,10 +113,18 @@ static const struct of_device_id rcar_thermal_dt_ids[] = {
.data = &rcar_gen2_thermal,
},
{
+ .compatible = "renesas,thermal-r8a774c0",
+ .data = &rcar_gen3_thermal,
+ },
+ {
.compatible = "renesas,thermal-r8a77970",
.data = &rcar_gen3_thermal,
},
{
+ .compatible = "renesas,thermal-r8a77990",
+ .data = &rcar_gen3_thermal,
+ },
+ {
.compatible = "renesas,thermal-r8a77995",
.data = &rcar_gen3_thermal,
},
diff --git a/drivers/thermal/st/Makefile b/drivers/thermal/st/Makefile
index b2b9e9b96296..243ca7881b12 100644
--- a/drivers/thermal/st/Makefile
+++ b/drivers/thermal/st/Makefile
@@ -1,4 +1,4 @@
obj-$(CONFIG_ST_THERMAL) := st_thermal.o
obj-$(CONFIG_ST_THERMAL_SYSCFG) += st_thermal_syscfg.o
obj-$(CONFIG_ST_THERMAL_MEMMAP) += st_thermal_memmap.o
-obj-$(CONFIG_STM32_THERMAL) := stm_thermal.o \ No newline at end of file
+obj-$(CONFIG_STM32_THERMAL) += stm_thermal.o
diff --git a/drivers/thermal/tegra/soctherm.c b/drivers/thermal/tegra/soctherm.c
index ed28110a3535..45b41b885f49 100644
--- a/drivers/thermal/tegra/soctherm.c
+++ b/drivers/thermal/tegra/soctherm.c
@@ -803,17 +803,7 @@ static int regs_show(struct seq_file *s, void *data)
return 0;
}
-static int regs_open(struct inode *inode, struct file *file)
-{
- return single_open(file, regs_show, inode->i_private);
-}
-
-static const struct file_operations regs_fops = {
- .open = regs_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(regs);
static void soctherm_debug_init(struct platform_device *pdev)
{
diff --git a/drivers/thermal/thermal-generic-adc.c b/drivers/thermal/thermal-generic-adc.c
index bf1c628d4a7a..e22fc60ad36d 100644
--- a/drivers/thermal/thermal-generic-adc.c
+++ b/drivers/thermal/thermal-generic-adc.c
@@ -26,7 +26,7 @@ struct gadc_thermal_info {
static int gadc_thermal_adc_to_temp(struct gadc_thermal_info *gti, int val)
{
- int temp, adc_hi, adc_lo;
+ int temp, temp_hi, temp_lo, adc_hi, adc_lo;
int i;
for (i = 0; i < gti->nlookup_table; i++) {
@@ -36,13 +36,17 @@ static int gadc_thermal_adc_to_temp(struct gadc_thermal_info *gti, int val)
if (i == 0) {
temp = gti->lookup_table[0];
- } else if (i >= (gti->nlookup_table - 1)) {
+ } else if (i >= gti->nlookup_table) {
temp = gti->lookup_table[2 * (gti->nlookup_table - 1)];
} else {
adc_hi = gti->lookup_table[2 * i - 1];
adc_lo = gti->lookup_table[2 * i + 1];
- temp = gti->lookup_table[2 * i];
- temp -= ((val - adc_lo) * 1000) / (adc_hi - adc_lo);
+
+ temp_hi = gti->lookup_table[2 * i - 2];
+ temp_lo = gti->lookup_table[2 * i];
+
+ temp = temp_hi + mult_frac(temp_lo - temp_hi, val - adc_hi,
+ adc_lo - adc_hi);
}
return temp;
diff --git a/drivers/thermal/thermal_hwmon.h b/drivers/thermal/thermal_hwmon.h
index 019f6f88224e..a160b9d62dd0 100644
--- a/drivers/thermal/thermal_hwmon.h
+++ b/drivers/thermal/thermal_hwmon.h
@@ -19,13 +19,13 @@
int thermal_add_hwmon_sysfs(struct thermal_zone_device *tz);
void thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz);
#else
-static int
+static inline int
thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
{
return 0;
}
-static void
+static inline void
thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz)
{
}
diff --git a/drivers/thermal/uniphier_thermal.c b/drivers/thermal/uniphier_thermal.c
index 55477d74d591..bba2284412d3 100644
--- a/drivers/thermal/uniphier_thermal.c
+++ b/drivers/thermal/uniphier_thermal.c
@@ -1,21 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/**
* uniphier_thermal.c - Socionext UniPhier thermal driver
- *
* Copyright 2014 Panasonic Corporation
* Copyright 2016-2017 Socionext Inc.
- * All rights reserved.
- *
* Author:
* Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 of
- * the License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/bitops.h>
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-03 06:14:28 +0000