static ssize_t set_temp_thresholds(struct device *dev,
struct device_attribute *devattr,
const char *buf, size_t count)
{
struct platform_device *pdev = to_platform_device(dev);
struct omap_temp_sensor *temp_sensor = platform_get_drvdata(pdev);
unsigned first_val;
unsigned second_val;
int min_thresh = 0;
int max_thresh = 0;
char first[30];
char second[30];
if (sscanf(buf, "%s %i %s %i", first, &first_val,
second, &second_val) != 4) {
pr_err("%s:unable to parse input\n", __func__);
return -EINVAL;
}
if (!strcmp(first, "min"))
min_thresh = first_val;
if (!strcmp(second, "max"))
max_thresh = second_val;
pr_info("%s: Min thresh is %i Max thresh is %i\n",
__func__, min_thresh, max_thresh);
mutex_lock(&temp_sensor->sensor_mutex);
temp_sensor->therm_fw->current_temp =
omap_read_current_temp(temp_sensor);
omap_set_thresholds(temp_sensor, min_thresh, max_thresh);
mutex_unlock(&temp_sensor->sensor_mutex);
return count;
}
static void temp_poll_work_fn(struct work_struct *work)
{
int curr;
int i, new_section = 0;
struct omap_temp_sensor *temp_sensor =
container_of(work, struct omap_temp_sensor,
temp_poll_work.work);
curr = omap_read_current_temp(temp_sensor);
temp_sensor->current_temp = curr;
pr_debug("[Thermal] Current Temperature :: %d\n", curr);
for (i = 0; i < ARRAY_SIZE(temp_section); i++) {
if (curr < temp_section[i].temp) {
new_section = i;
break;
}
}
/*If current temperature section is not same as current, update policy*/
if (new_section != curr_section) {
curr_section = new_section;
update_policy();
}
/*Reschedule func*/
schedule_delayed_work(&temp_sensor->temp_poll_work,
msecs_to_jiffies(POLL_DELAY_MS));
}
static ssize_t omap_temp_show_current(struct device *dev,
struct device_attribute *devattr,
char *buf)
{
struct platform_device *pdev = to_platform_device(dev);
struct omap_temp_sensor *temp_sensor = platform_get_drvdata(pdev);
return sprintf(buf, "%d\n", omap_read_current_temp(temp_sensor));
}
static int omap_get_temp(struct thermal_dev *tdev)
{
struct platform_device *pdev = to_platform_device(tdev->dev);
struct omap_temp_sensor *temp_sensor = platform_get_drvdata(pdev);
temp_sensor->therm_fw->current_temp =
omap_read_current_temp(temp_sensor);
return temp_sensor->therm_fw->current_temp;
}
static int omap_temp_sensor_read_temp(struct device *dev,
struct device_attribute *devattr,
char *buf)
{
struct platform_device *pdev = to_platform_device(dev);
struct omap_temp_sensor *temp_sensor = platform_get_drvdata(pdev);
int temp = 0;
#ifdef TEMP_DEBUG
if (temp_sensor->debug) {
temp = temp_sensor->debug_temp;
goto out;
}
#endif
temp = omap_read_current_temp(temp_sensor);
out:
return sprintf(buf, "%d\n", temp);
}
static int omap_report_temp(struct thermal_dev *tdev)
{
struct platform_device *pdev = to_platform_device(tdev->dev);
struct omap_temp_sensor *temp_sensor = platform_get_drvdata(pdev);
int ret;
temp_sensor->therm_fw->current_temp =
omap_read_current_temp(temp_sensor);
if (temp_sensor->therm_fw->current_temp != -EINVAL) {
ret = thermal_sensor_set_temp(temp_sensor->therm_fw);
if (ret == -ENODEV)
pr_err("%s:thermal_sensor_set_temp reports error\n",
__func__);
kobject_uevent(&temp_sensor->dev->kobj, KOBJ_CHANGE);
}
return temp_sensor->therm_fw->current_temp;
}
/*
* Check if the die sensor is cooling down. If it's higher than
* t_hot since the last throttle then throttle it again.
* OMAP junction temperature could stay for a long time in an
* unacceptable temperature range. The idea here is to check after
* t_hot->throttle the system really came below t_hot else re-throttle
* and keep doing till it's under t_hot temp range.
*/
static void throttle_delayed_work_fn(struct work_struct *work)
{
int curr;
struct omap_temp_sensor *temp_sensor =
container_of(work, struct omap_temp_sensor,
throttle_work.work);
curr = omap_read_current_temp(temp_sensor);
if (curr >= BGAP_THRESHOLD_T_HOT || curr < 0) {
pr_warn("%s: OMAP temp read %d exceeds the threshold\n",
__func__, curr);
omap_thermal_throttle();
schedule_delayed_work(&temp_sensor->throttle_work,
msecs_to_jiffies(THROTTLE_DELAY_MS));
} else {
schedule_delayed_work(&temp_sensor->throttle_work,
msecs_to_jiffies(THROTTLE_DELAY_MS));
}
}
/*
* Check if the die sensor is cooling down. If it's higher than
* t_hot since the last throttle then throttle it again.
* OMAP junction temperature could stay for a long time in an
* unacceptable temperature range. The idea here is to check after
* t_hot->throttle the system really came below t_hot else re-throttle
* and keep doing till it's under t_hot temp range.
*/
static void throttle_delayed_work_fn(struct work_struct *work)
{
int curr;
struct omap_temp_sensor *temp_sensor =
container_of(work, struct omap_temp_sensor,
throttle_work.work);
curr = omap_read_current_temp(temp_sensor);
if (curr >= BGAP_THRESHOLD_T_HOT || curr < 0) {
if (throttle_enabled) {
omap_thermal_throttle();
} else {
pr_info("[franciscofranco] %p - OMAP temp read %d exceeds the threshold but throttling is disabled.",
__func__, curr);
}
schedule_delayed_work(&temp_sensor->throttle_work,
msecs_to_jiffies(THROTTLE_DELAY_MS));
} else {
schedule_delayed_work(&temp_sensor->throttle_work,
msecs_to_jiffies(THROTTLE_DELAY_MS));
}
}
static int __devinit omap_temp_sensor_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct omap_temp_sensor_pdata *pdata = pdev->dev.platform_data;
struct omap_temp_sensor *temp_sensor;
struct resource *mem;
int ret = 0;
if (!pdata) {
dev_err(dev, "%s: platform data missing\n", __func__);
return -EINVAL;
}
temp_sensor = kzalloc(sizeof(struct omap_temp_sensor), GFP_KERNEL);
if (!temp_sensor)
return -ENOMEM;
spin_lock_init(&temp_sensor->lock);
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mem) {
dev_err(dev, "%s:no mem resource\n", __func__);
dump_stack();
ret = -EINVAL;
goto plat_res_err;
}
temp_sensor->phy_base = pdata->offset;
temp_sensor->pdev = pdev;
temp_sensor->dev = dev;
pm_runtime_enable(dev);
pm_runtime_irq_safe(dev);
/*
* check if the efuse has a non-zero value if not
* it is an untrimmed sample and the temperatures
* may not be accurate */
if (omap_readl(OMAP4_CTRL_MODULE_CORE +
OMAP4_CTRL_MODULE_CORE_STD_FUSE_OPP_BGAP))
temp_sensor->is_efuse_valid = 1;
temp_sensor->clock = clk_get(&temp_sensor->pdev->dev, "fck");
if (IS_ERR(temp_sensor->clock)) {
ret = PTR_ERR(temp_sensor->clock);
pr_err("%s:Unable to get fclk: %d\n", __func__, ret);
ret = -EINVAL;
goto clk_get_err;
}
platform_set_drvdata(pdev, temp_sensor);
ret = omap_temp_sensor_enable(temp_sensor);
if (ret) {
dev_err(dev, "%s:Cannot enable temp sensor\n", __func__);
goto sensor_enable_err;
}
omap_enable_continuous_mode(temp_sensor);
/* Wait till the first conversion is done wait for at least 1ms */
mdelay(2);
/* Read the temperature once due to hw issue*/
omap_read_current_temp(temp_sensor);
/* Initialize Polling work queue*/
INIT_DELAYED_WORK(&temp_sensor->temp_poll_work,
temp_poll_work_fn);
schedule_delayed_work(&temp_sensor->temp_poll_work,
msecs_to_jiffies(POLL_DELAY_MS));
ret = sysfs_create_group(&pdev->dev.kobj, &omap_temp_sensor_group);
if (ret) {
dev_err(&pdev->dev, "could not create sysfs files\n");
goto sensor_enable_err;
}
ret = sysfs_create_group(&pdev->dev.kobj, &omap_temp_section1_group);
if (ret)
dev_err(&pdev->dev, "could not create section sysfs files\n");
ret = sysfs_create_group(&pdev->dev.kobj, &omap_temp_section2_group);
if (ret)
dev_err(&pdev->dev, "could not create section sysfs files\n");
ret = sysfs_create_group(&pdev->dev.kobj, &omap_temp_section3_group);
if (ret)
dev_err(&pdev->dev, "could not create section sysfs files\n");
ret = sysfs_create_group(&pdev->dev.kobj, &omap_temp_section4_group);
if (ret)
dev_err(&pdev->dev, "could not create section sysfs files\n");
ret = sysfs_create_group(&pdev->dev.kobj, &omap_temp_section5_group);
if (ret)
dev_err(&pdev->dev, "could not create section sysfs files\n");
dev_info(dev, "%s probed", pdata->name);
temp_sensor_pm = temp_sensor;
return 0;
sensor_enable_err:
clk_put(temp_sensor->clock);
clk_get_err:
pm_runtime_disable(dev);
plat_res_err:
kfree(temp_sensor);
return ret;
}
/*
* Check if the die sensor is cooling down. If it's higher than
* t_hot since the last throttle then throttle it again.
* OMAP junction temperature could stay for a long time in an
* unacceptable temperature range. The idea here is to check after
* t_hot->throttle the system really came below t_hot else re-throttle
* and keep doing till it's under t_hot temp range.
*/
static void throttle_delayed_work_fn(struct work_struct *work)
{
int curr;
struct omap_temp_sensor *temp_sensor =
container_of(work, struct omap_temp_sensor,
throttle_work.work);
curr = omap_read_current_temp(temp_sensor);
#ifdef CONFIG_OMAP_TEMP_CONTROL
if (curr >= temp_limit || curr < 0) {
#else
if (curr >= BGAP_THRESHOLD_T_HOT || curr < 0) {
#endif
pr_warn("%s: OMAP temp read %d exceeds the threshold\n",
__func__, curr);
omap_thermal_throttle();
schedule_delayed_work(&temp_sensor->throttle_work,
msecs_to_jiffies(THROTTLE_DELAY_MS));
} else {
schedule_delayed_work(&temp_sensor->throttle_work,
msecs_to_jiffies(THROTTLE_DELAY_MS));
}
}
static irqreturn_t omap_tshut_irq_handler(int irq, void *data)
{
struct omap_temp_sensor *temp_sensor = (struct omap_temp_sensor *)data;
/* Need to handle thermal mgmt in bootloader
* to avoid restart again at kernel level
*/
if (temp_sensor->is_efuse_valid) {
pr_emerg("%s: Thermal shutdown reached rebooting device\n",
__func__);
kernel_restart(NULL);
} else {
pr_err("%s:Invalid EFUSE, Non-trimmed BGAP\n", __func__);
}
return IRQ_HANDLED;
}
static irqreturn_t omap_talert_irq_handler(int irq, void *data)
{
struct omap_temp_sensor *temp_sensor = (struct omap_temp_sensor *)data;
int t_hot, t_cold, temp_offset;
t_hot = omap_temp_sensor_readl(temp_sensor, BGAP_STATUS_OFFSET)
& OMAP4_HOT_FLAG_MASK;
t_cold = omap_temp_sensor_readl(temp_sensor, BGAP_STATUS_OFFSET)
& OMAP4_COLD_FLAG_MASK;
temp_offset = omap_temp_sensor_readl(temp_sensor, BGAP_CTRL_OFFSET);
if (t_hot) {
omap_thermal_throttle();
schedule_delayed_work(&temp_sensor->throttle_work,
msecs_to_jiffies(THROTTLE_DELAY_MS));
temp_offset &= ~(OMAP4_MASK_HOT_MASK);
temp_offset |= OMAP4_MASK_COLD_MASK;
} else if (t_cold) {
cancel_delayed_work_sync(&temp_sensor->throttle_work);
omap_thermal_unthrottle();
temp_offset &= ~(OMAP4_MASK_COLD_MASK);
temp_offset |= OMAP4_MASK_HOT_MASK;
}
omap_temp_sensor_writel(temp_sensor, temp_offset, BGAP_CTRL_OFFSET);
return IRQ_HANDLED;
}
static int __devinit omap_temp_sensor_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct omap_temp_sensor_pdata *pdata = pdev->dev.platform_data;
struct omap_temp_sensor *temp_sensor;
struct resource *mem;
int ret = 0, val;
if (!pdata) {
dev_err(dev, "%s: platform data missing\n", __func__);
return -EINVAL;
}
temp_sensor = kzalloc(sizeof(struct omap_temp_sensor), GFP_KERNEL);
if (!temp_sensor)
return -ENOMEM;
spin_lock_init(&temp_sensor->lock);
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mem) {
dev_err(dev, "%s:no mem resource\n", __func__);
ret = -EINVAL;
goto plat_res_err;
}
temp_sensor->irq = platform_get_irq_byname(pdev, "thermal_alert");
if (temp_sensor->irq < 0) {
dev_err(dev, "%s:Cannot get thermal alert irq\n",
__func__);
ret = -EINVAL;
goto get_irq_err;
}
ret = gpio_request_one(OMAP_TSHUT_GPIO, GPIOF_DIR_IN,
"thermal_shutdown");
if (ret) {
dev_err(dev, "%s: Could not get tshut_gpio\n",
__func__);
goto tshut_gpio_req_err;
}
temp_sensor->tshut_irq = gpio_to_irq(OMAP_TSHUT_GPIO);
if (temp_sensor->tshut_irq < 0) {
dev_err(dev, "%s:Cannot get thermal shutdown irq\n",
__func__);
ret = -EINVAL;
goto get_tshut_irq_err;
}
temp_sensor->phy_base = pdata->offset;
temp_sensor->pdev = pdev;
temp_sensor->dev = dev;
pm_runtime_enable(dev);
pm_runtime_irq_safe(dev);
/*
* check if the efuse has a non-zero value if not
* it is an untrimmed sample and the temperatures
* may not be accurate */
if (omap_readl(OMAP4_CTRL_MODULE_CORE +
OMAP4_CTRL_MODULE_CORE_STD_FUSE_OPP_BGAP))
temp_sensor->is_efuse_valid = 1;
temp_sensor->clock = clk_get(&temp_sensor->pdev->dev, "fck");
if (IS_ERR(temp_sensor->clock)) {
ret = PTR_ERR(temp_sensor->clock);
pr_err("%s:Unable to get fclk: %d\n", __func__, ret);
ret = -EINVAL;
goto clk_get_err;
}
/* Init delayed work for throttle decision */
INIT_DELAYED_WORK(&temp_sensor->throttle_work,
throttle_delayed_work_fn);
platform_set_drvdata(pdev, temp_sensor);
ret = omap_temp_sensor_enable(temp_sensor);
if (ret) {
dev_err(dev, "%s:Cannot enable temp sensor\n", __func__);
goto sensor_enable_err;
}
omap_enable_continuous_mode(temp_sensor);
omap_configure_temp_sensor_thresholds(temp_sensor);
/* 1 ms */
omap_configure_temp_sensor_counter(temp_sensor, 1);
/* Wait till the first conversion is done wait for at least 1ms */
mdelay(2);
/* Read the temperature once due to hw issue*/
omap_read_current_temp(temp_sensor);
/* Set 2 seconds time as default counter */
omap_configure_temp_sensor_counter(temp_sensor,
temp_sensor->clk_rate * 2);
ret = request_threaded_irq(temp_sensor->irq, NULL,
omap_talert_irq_handler,
IRQF_TRIGGER_RISING | IRQF_ONESHOT,
"temp_sensor", (void *)temp_sensor);
if (ret) {
dev_err(dev, "Request threaded irq failed.\n");
goto req_irq_err;
}
ret = request_threaded_irq(temp_sensor->tshut_irq, NULL,
omap_tshut_irq_handler,
IRQF_TRIGGER_RISING | IRQF_ONESHOT,
"tshut", (void *)temp_sensor);
if (ret) {
dev_err(dev, "Request threaded irq failed for TSHUT.\n");
goto tshut_irq_req_err;
}
ret = sysfs_create_group(&pdev->dev.kobj, &omap_temp_sensor_group);
if (ret) {
dev_err(&pdev->dev, "could not create sysfs files\n");
goto sysfs_create_err;
}
/* unmask the T_COLD and unmask T_HOT at init */
val = omap_temp_sensor_readl(temp_sensor, BGAP_CTRL_OFFSET);
val |= OMAP4_MASK_COLD_MASK;
val |= OMAP4_MASK_HOT_MASK;
omap_temp_sensor_writel(temp_sensor, val, BGAP_CTRL_OFFSET);
dev_info(dev, "%s probed", pdata->name);
temp_sensor_pm = temp_sensor;
#ifdef CONFIG_OMAP_TEMP_CONTROL
ctrl_sensor = temp_sensor;
tempcontrol_registerlimit(temp_limit);
#endif
return 0;
sysfs_create_err:
free_irq(temp_sensor->tshut_irq, temp_sensor);
cancel_delayed_work_sync(&temp_sensor->throttle_work);
tshut_irq_req_err:
free_irq(temp_sensor->irq, temp_sensor);
req_irq_err:
platform_set_drvdata(pdev, NULL);
omap_temp_sensor_disable(temp_sensor);
sensor_enable_err:
clk_put(temp_sensor->clock);
clk_get_err:
pm_runtime_disable(dev);
get_tshut_irq_err:
gpio_free(OMAP_TSHUT_GPIO);
tshut_gpio_req_err:
get_irq_err:
plat_res_err:
kfree(temp_sensor);
return ret;
}
static int __devexit omap_temp_sensor_remove(struct platform_device *pdev)
{
struct omap_temp_sensor *temp_sensor = platform_get_drvdata(pdev);
sysfs_remove_group(&pdev->dev.kobj, &omap_temp_sensor_group);
cancel_delayed_work_sync(&temp_sensor->throttle_work);
omap_temp_sensor_disable(temp_sensor);
clk_put(temp_sensor->clock);
platform_set_drvdata(pdev, NULL);
if (temp_sensor->irq)
free_irq(temp_sensor->irq, temp_sensor);
if (temp_sensor->tshut_irq)
free_irq(temp_sensor->tshut_irq, temp_sensor);
kfree(temp_sensor);
return 0;
}
#ifdef CONFIG_PM
static void omap_temp_sensor_save_ctxt(struct omap_temp_sensor *temp_sensor)
{
temp_sensor_context.temp_sensor_ctrl =
omap_temp_sensor_readl(temp_sensor, TEMP_SENSOR_CTRL_OFFSET);
temp_sensor_context.bg_ctrl =
omap_temp_sensor_readl(temp_sensor, BGAP_CTRL_OFFSET);
temp_sensor_context.bg_counter =
omap_temp_sensor_readl(temp_sensor, BGAP_COUNTER_OFFSET);
temp_sensor_context.bg_threshold =
omap_temp_sensor_readl(temp_sensor, BGAP_THRESHOLD_OFFSET);
temp_sensor_context.temp_sensor_tshut_threshold =
omap_temp_sensor_readl(temp_sensor, BGAP_TSHUT_OFFSET);
}
static int __devinit omap_temp_sensor_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct omap_temp_sensor_pdata *pdata = pdev->dev.platform_data;
struct omap_temp_sensor *temp_sensor;
struct resource *mem;
int ret = 0, val;
if (!pdata) {
dev_err(dev, "%s: platform data missing\n", __func__);
return -EINVAL;
}
temp_sensor = kzalloc(sizeof(struct omap_temp_sensor), GFP_KERNEL);
if (!temp_sensor)
return -ENOMEM;
spin_lock_init(&temp_sensor->lock);
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mem) {
dev_err(dev, "%s:no mem resource\n", __func__);
ret = -EINVAL;
goto plat_res_err;
}
temp_sensor->irq = platform_get_irq_byname(pdev, "thermal_alert");
if (temp_sensor->irq < 0) {
dev_err(dev, "%s:Cannot get thermal alert irq\n",
__func__);
ret = -EINVAL;
goto get_irq_err;
}
ret = gpio_request_one(OMAP_TSHUT_GPIO, GPIOF_DIR_IN,
"thermal_shutdown");
if (ret) {
dev_err(dev, "%s: Could not get tshut_gpio\n",
__func__);
goto tshut_gpio_req_err;
}
temp_sensor->tshut_irq = gpio_to_irq(OMAP_TSHUT_GPIO);
if (temp_sensor->tshut_irq < 0) {
dev_err(dev, "%s:Cannot get thermal shutdown irq\n",
__func__);
ret = -EINVAL;
goto get_tshut_irq_err;
}
temp_sensor->phy_base = pdata->offset;
temp_sensor->pdev = pdev;
temp_sensor->dev = dev;
pm_runtime_enable(dev);
pm_runtime_irq_safe(dev);
/*
* check if the efuse has a non-zero value if not
* it is an untrimmed sample and the temperatures
* may not be accurate */
if (omap_readl(OMAP4_CTRL_MODULE_CORE +
OMAP4_CTRL_MODULE_CORE_STD_FUSE_OPP_BGAP))
temp_sensor->is_efuse_valid = 1;
temp_sensor->clock = clk_get(&temp_sensor->pdev->dev, "fck");
if (IS_ERR(temp_sensor->clock)) {
ret = PTR_ERR(temp_sensor->clock);
pr_err("%s:Unable to get fclk: %d\n", __func__, ret);
ret = -EINVAL;
goto clk_get_err;
}
/* Init delayed work for throttle decision */
INIT_DELAYED_WORK(&temp_sensor->throttle_work,
throttle_delayed_work_fn);
platform_set_drvdata(pdev, temp_sensor);
ret = omap_temp_sensor_enable(temp_sensor);
if (ret) {
dev_err(dev, "%s:Cannot enable temp sensor\n", __func__);
goto sensor_enable_err;
}
omap_enable_continuous_mode(temp_sensor);
omap_configure_temp_sensor_thresholds(temp_sensor);
/* 1 ms */
omap_configure_temp_sensor_counter(temp_sensor, 1);
/* Wait till the first conversion is done wait for at least 1ms */
mdelay(2);
/* Read the temperature once due to hw issue*/
omap_read_current_temp(temp_sensor);
/* Set 2 seconds time as default counter */
omap_configure_temp_sensor_counter(temp_sensor,
temp_sensor->clk_rate * 2);
ret = request_threaded_irq(temp_sensor->irq, NULL,
omap_talert_irq_handler,
IRQF_TRIGGER_RISING | IRQF_ONESHOT,
"temp_sensor", (void *)temp_sensor);
if (ret) {
dev_err(dev, "Request threaded irq failed.\n");
goto req_irq_err;
}
ret = request_threaded_irq(temp_sensor->tshut_irq, NULL,
omap_tshut_irq_handler,
IRQF_TRIGGER_RISING | IRQF_ONESHOT,
"tshut", (void *)temp_sensor);
if (ret) {
dev_err(dev, "Request threaded irq failed for TSHUT.\n");
goto tshut_irq_req_err;
}
ret = sysfs_create_group(&pdev->dev.kobj, &omap_temp_sensor_group);
if (ret) {
dev_err(&pdev->dev, "could not create sysfs files\n");
goto sysfs_create_err;
}
/* unmask the T_COLD and unmask T_HOT at init */
val = omap_temp_sensor_readl(temp_sensor, BGAP_CTRL_OFFSET);
val |= OMAP4_MASK_COLD_MASK;
val |= OMAP4_MASK_HOT_MASK;
omap_temp_sensor_writel(temp_sensor, val, BGAP_CTRL_OFFSET);
dev_info(dev, "%s probed", pdata->name);
temp_sensor_pm = temp_sensor;
return 0;
sysfs_create_err:
free_irq(temp_sensor->tshut_irq, temp_sensor);
cancel_delayed_work_sync(&temp_sensor->throttle_work);
tshut_irq_req_err:
free_irq(temp_sensor->irq, temp_sensor);
req_irq_err:
platform_set_drvdata(pdev, NULL);
omap_temp_sensor_disable(temp_sensor);
sensor_enable_err:
clk_put(temp_sensor->clock);
clk_get_err:
pm_runtime_disable(dev);
get_tshut_irq_err:
gpio_free(OMAP_TSHUT_GPIO);
tshut_gpio_req_err:
get_irq_err:
plat_res_err:
kfree(temp_sensor);
return ret;
}