1 files changed, 0 insertions, 174 deletions
diff --git a/target/linux/apm821xx/patches-4.19/804-hwmon-tc654-add-thermal_cooling-device.patch b/target/linux/apm821xx/patches-4.19/804-hwmon-tc654-add-thermal_cooling-device.patch
deleted file mode 100644
index 18ed8aecce..0000000000
--- a/target/linux/apm821xx/patches-4.19/804-hwmon-tc654-add-thermal_cooling-device.patch
+++ /dev/null
@@ -1,174 +0,0 @@
-From 15ae701189744d321d3a1264ff46f8871e8765ee Mon Sep 17 00:00:00 2001
-From: Christian Lamparter <chunkeey@gmail.com>
-Date: Sun, 17 Dec 2017 17:29:13 +0100
-Subject: [PATCH] hwmon: tc654: add thermal_cooling device
-
-This patch adds a thermaL_cooling device to the tc654 driver.
-This allows the chip to be used for DT-based cooling.
-
-Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
----
- drivers/hwmon/tc654.c | 103 +++++++++++++++++++++++++++++++++++++++++---------
- 1 file changed, 86 insertions(+), 17 deletions(-)
-
---- a/drivers/hwmon/tc654.c
-+++ b/drivers/hwmon/tc654.c
-@@ -24,6 +24,7 @@
- #include <linux/module.h>
- #include <linux/mutex.h>
- #include <linux/slab.h>
-+#include <linux/thermal.h>
- #include <linux/util_macros.h>
- 
- enum tc654_regs {
-@@ -141,6 +142,9 @@ struct tc654_data {
- 			 * writable register used to control the duty
- 			 * cycle of the V OUT output.
- 			 */
-+
-+	/* optional cooling device */
-+	struct thermal_cooling_device *cdev;
- };
- 
- /* helper to grab and cache data, at most one time per second */
-@@ -376,36 +380,30 @@ static ssize_t set_pwm_mode(struct devic
- static const int tc654_pwm_map[16] = { 77,  88, 102, 112, 124, 136, 148, 160,
- 				      172, 184, 196, 207, 219, 231, 243, 255};
- 
-+static int get_pwm(struct tc654_data *data)
-+{
-+	if (data->config & TC654_REG_CONFIG_SDM)
-+		return 0;
-+	else
-+		return tc654_pwm_map[data->duty_cycle];
-+}
-+
- static ssize_t show_pwm(struct device *dev, struct device_attribute *da,
- 			char *buf)
- {
- 	struct tc654_data *data = tc654_update_client(dev);
--	int pwm;
- 
- 	if (IS_ERR(data))
- 		return PTR_ERR(data);
- 
--	if (data->config & TC654_REG_CONFIG_SDM)
--		pwm = 0;
--	else
--		pwm = tc654_pwm_map[data->duty_cycle];
--
--	return sprintf(buf, "%d\n", pwm);
-+	return sprintf(buf, "%d\n", get_pwm(data));
- }
- 
--static ssize_t set_pwm(struct device *dev, struct device_attribute *da,
--		       const char *buf, size_t count)
-+static int _set_pwm(struct tc654_data *data, unsigned long val)
- {
--	struct tc654_data *data = dev_get_drvdata(dev);
- 	struct i2c_client *client = data->client;
--	unsigned long val;
- 	int ret;
- 
--	if (kstrtoul(buf, 10, &val))
--		return -EINVAL;
--	if (val > 255)
--		return -EINVAL;
--
- 	mutex_lock(&data->update_lock);
- 
- 	if (val == 0)
-@@ -425,6 +423,22 @@ static ssize_t set_pwm(struct device *de
- 
- out:
- 	mutex_unlock(&data->update_lock);
-+	return ret;
-+}
-+
-+static ssize_t set_pwm(struct device *dev, struct device_attribute *da,
-+		       const char *buf, size_t count)
-+{
-+	struct tc654_data *data = dev_get_drvdata(dev);
-+	unsigned long val;
-+	int ret;
-+
-+	if (kstrtoul(buf, 10, &val))
-+		return -EINVAL;
-+	if (val > 255)
-+		return -EINVAL;
-+
-+	ret = _set_pwm(data, val);
- 	return ret < 0 ? ret : count;
- }
- 
-@@ -462,6 +476,47 @@ static struct attribute *tc654_attrs[] =
- 
- ATTRIBUTE_GROUPS(tc654);
- 
-+/* cooling device */
-+
-+static int tc654_get_max_state(struct thermal_cooling_device *cdev,
-+			       unsigned long *state)
-+{
-+	*state = 255;
-+	return 0;
-+}
-+
-+static int tc654_get_cur_state(struct thermal_cooling_device *cdev,
-+                              unsigned long *state)
-+{
-+	struct tc654_data *data = tc654_update_client(cdev->devdata);
-+
-+	if (IS_ERR(data))
-+		return PTR_ERR(data);
-+
-+	*state = get_pwm(data);
-+	return 0;
-+}
-+
-+static int tc654_set_cur_state(struct thermal_cooling_device *cdev,
-+			       unsigned long state)
-+{
-+	struct tc654_data *data = tc654_update_client(cdev->devdata);
-+
-+	if (IS_ERR(data))
-+		return PTR_ERR(data);
-+
-+	if (state > 255)
-+		return -EINVAL;
-+
-+	return _set_pwm(data, state);
-+}
-+
-+static const struct thermal_cooling_device_ops tc654_fan_cool_ops = {
-+	.get_max_state = tc654_get_max_state,
-+	.get_cur_state = tc654_get_cur_state,
-+	.set_cur_state = tc654_set_cur_state,
-+};
-+
- /*
-  * device probe and removal
-  */
-@@ -493,7 +548,21 @@ static int tc654_probe(struct i2c_client
- 	hwmon_dev =
- 	    devm_hwmon_device_register_with_groups(dev, client->name, data,
- 						   tc654_groups);
--	return PTR_ERR_OR_ZERO(hwmon_dev);
-+	if (IS_ERR(hwmon_dev))
-+		return PTR_ERR(hwmon_dev);
-+
-+#if IS_ENABLED(CONFIG_OF)
-+	/* Optional cooling device register for Device tree platforms */
-+	data->cdev = thermal_of_cooling_device_register(client->dev.of_node,
-+							"tc654", hwmon_dev,
-+							&tc654_fan_cool_ops);
-+#else /* CONFIG_OF */
-+	/* Optional cooling device register for non Device tree platforms */
-+	data->cdev = thermal_cooling_device_register("tc654", hwmon_dev,
-+						     &tc654_fan_cool_ops);
-+#endif /* CONFIG_OF */
-+
-+	return PTR_ERR_OR_ZERO(data->cdev);
- }
- 
- static const struct i2c_device_id tc654_id[] = {