Since cros_ec_sensorhub is shutting down the FIFO when the device
suspends, no need to slow down the EC sampling period rate.
It was necesseary to do that before command CMD_FIFO_INT_ENABLE was
introduced, but now all supported chromebooks have it.
Signed-off-by: Gwendal Grignou <[email protected]>
---
No changes in v4, v3.
New in v2.
.../cros_ec_sensors/cros_ec_lid_angle.c | 1 -
.../common/cros_ec_sensors/cros_ec_sensors.c | 1 -
.../cros_ec_sensors/cros_ec_sensors_core.c | 47 -------------------
drivers/iio/light/cros_ec_light_prox.c | 1 -
.../linux/iio/common/cros_ec_sensors_core.h | 5 --
5 files changed, 55 deletions(-)
diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_lid_angle.c b/drivers/iio/common/cros_ec_sensors/cros_ec_lid_angle.c
index e30a59fcf0f9..af801e203623 100644
--- a/drivers/iio/common/cros_ec_sensors/cros_ec_lid_angle.c
+++ b/drivers/iio/common/cros_ec_sensors/cros_ec_lid_angle.c
@@ -127,7 +127,6 @@ MODULE_DEVICE_TABLE(platform, cros_ec_lid_angle_ids);
static struct platform_driver cros_ec_lid_angle_platform_driver = {
.driver = {
.name = DRV_NAME,
- .pm = &cros_ec_sensors_pm_ops,
},
.probe = cros_ec_lid_angle_probe,
.id_table = cros_ec_lid_angle_ids,
diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
index 62a0dd970988..9d0b8ad7a0a5 100644
--- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
+++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
@@ -315,7 +315,6 @@ MODULE_DEVICE_TABLE(platform, cros_ec_sensors_ids);
static struct platform_driver cros_ec_sensors_platform_driver = {
.driver = {
.name = "cros-ec-sensors",
- .pm = &cros_ec_sensors_pm_ops,
},
.probe = cros_ec_sensors_probe,
.id_table = cros_ec_sensors_ids,
diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
index 904cd26dd31f..879b69527cae 100644
--- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
+++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
@@ -723,52 +723,5 @@ int cros_ec_sensors_core_write(struct cros_ec_sensors_core_state *st,
}
EXPORT_SYMBOL_GPL(cros_ec_sensors_core_write);
-static int __maybe_unused cros_ec_sensors_prepare(struct device *dev)
-{
- struct iio_dev *indio_dev = dev_get_drvdata(dev);
- struct cros_ec_sensors_core_state *st = iio_priv(indio_dev);
-
- if (st->curr_sampl_freq == 0)
- return 0;
-
- /*
- * If the sensors are sampled at high frequency, we will not be able to
- * sleep. Set sampling to a long period if necessary.
- */
- if (st->curr_sampl_freq < CROS_EC_MIN_SUSPEND_SAMPLING_FREQUENCY) {
- mutex_lock(&st->cmd_lock);
- st->param.cmd = MOTIONSENSE_CMD_EC_RATE;
- st->param.ec_rate.data = CROS_EC_MIN_SUSPEND_SAMPLING_FREQUENCY;
- cros_ec_motion_send_host_cmd(st, 0);
- mutex_unlock(&st->cmd_lock);
- }
- return 0;
-}
-
-static void __maybe_unused cros_ec_sensors_complete(struct device *dev)
-{
- struct iio_dev *indio_dev = dev_get_drvdata(dev);
- struct cros_ec_sensors_core_state *st = iio_priv(indio_dev);
-
- if (st->curr_sampl_freq == 0)
- return;
-
- if (st->curr_sampl_freq < CROS_EC_MIN_SUSPEND_SAMPLING_FREQUENCY) {
- mutex_lock(&st->cmd_lock);
- st->param.cmd = MOTIONSENSE_CMD_EC_RATE;
- st->param.ec_rate.data = st->curr_sampl_freq;
- cros_ec_motion_send_host_cmd(st, 0);
- mutex_unlock(&st->cmd_lock);
- }
-}
-
-const struct dev_pm_ops cros_ec_sensors_pm_ops = {
-#ifdef CONFIG_PM_SLEEP
- .prepare = cros_ec_sensors_prepare,
- .complete = cros_ec_sensors_complete
-#endif
-};
-EXPORT_SYMBOL_GPL(cros_ec_sensors_pm_ops);
-
MODULE_DESCRIPTION("ChromeOS EC sensor hub core functions");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/light/cros_ec_light_prox.c b/drivers/iio/light/cros_ec_light_prox.c
index 698b2ee81ebf..ccdc6d8958c6 100644
--- a/drivers/iio/light/cros_ec_light_prox.c
+++ b/drivers/iio/light/cros_ec_light_prox.c
@@ -256,7 +256,6 @@ MODULE_DEVICE_TABLE(platform, cros_ec_light_prox_ids);
static struct platform_driver cros_ec_light_prox_platform_driver = {
.driver = {
.name = "cros-ec-light-prox",
- .pm = &cros_ec_sensors_pm_ops,
},
.probe = cros_ec_light_prox_probe,
.id_table = cros_ec_light_prox_ids,
diff --git a/include/linux/iio/common/cros_ec_sensors_core.h b/include/linux/iio/common/cros_ec_sensors_core.h
index b8f573ca9dcc..96ea4551945e 100644
--- a/include/linux/iio/common/cros_ec_sensors_core.h
+++ b/include/linux/iio/common/cros_ec_sensors_core.h
@@ -30,9 +30,6 @@ enum {
*/
#define CROS_EC_SAMPLE_SIZE (sizeof(s64) * 2)
-/* Minimum sampling period to use when device is suspending */
-#define CROS_EC_MIN_SUSPEND_SAMPLING_FREQUENCY 1000 /* 1 second */
-
typedef irqreturn_t (*cros_ec_sensors_capture_t)(int irq, void *p);
/**
@@ -117,8 +114,6 @@ int cros_ec_sensors_core_write(struct cros_ec_sensors_core_state *st,
struct iio_chan_spec const *chan,
int val, int val2, long mask);
-extern const struct dev_pm_ops cros_ec_sensors_pm_ops;
-
/* List of extended channel specification for all sensors */
extern const struct iio_chan_spec_ext_info cros_ec_sensors_ext_info[];
--
2.24.0.rc1.363.gb1bccd3e3d-goog
On Tue, 5 Nov 2019 14:26:49 -0800
Gwendal Grignou <[email protected]> wrote:
> Since cros_ec_sensorhub is shutting down the FIFO when the device
> suspends, no need to slow down the EC sampling period rate.
> It was necesseary to do that before command CMD_FIFO_INT_ENABLE was
> introduced, but now all supported chromebooks have it.
>
> Signed-off-by: Gwendal Grignou <[email protected]>
Acked-by: Jonathan Cameron <[email protected]>
> ---
> No changes in v4, v3.
> New in v2.
>
> .../cros_ec_sensors/cros_ec_lid_angle.c | 1 -
> .../common/cros_ec_sensors/cros_ec_sensors.c | 1 -
> .../cros_ec_sensors/cros_ec_sensors_core.c | 47 -------------------
> drivers/iio/light/cros_ec_light_prox.c | 1 -
> .../linux/iio/common/cros_ec_sensors_core.h | 5 --
> 5 files changed, 55 deletions(-)
>
> diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_lid_angle.c b/drivers/iio/common/cros_ec_sensors/cros_ec_lid_angle.c
> index e30a59fcf0f9..af801e203623 100644
> --- a/drivers/iio/common/cros_ec_sensors/cros_ec_lid_angle.c
> +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_lid_angle.c
> @@ -127,7 +127,6 @@ MODULE_DEVICE_TABLE(platform, cros_ec_lid_angle_ids);
> static struct platform_driver cros_ec_lid_angle_platform_driver = {
> .driver = {
> .name = DRV_NAME,
> - .pm = &cros_ec_sensors_pm_ops,
> },
> .probe = cros_ec_lid_angle_probe,
> .id_table = cros_ec_lid_angle_ids,
> diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
> index 62a0dd970988..9d0b8ad7a0a5 100644
> --- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
> +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
> @@ -315,7 +315,6 @@ MODULE_DEVICE_TABLE(platform, cros_ec_sensors_ids);
> static struct platform_driver cros_ec_sensors_platform_driver = {
> .driver = {
> .name = "cros-ec-sensors",
> - .pm = &cros_ec_sensors_pm_ops,
> },
> .probe = cros_ec_sensors_probe,
> .id_table = cros_ec_sensors_ids,
> diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
> index 904cd26dd31f..879b69527cae 100644
> --- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
> +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
> @@ -723,52 +723,5 @@ int cros_ec_sensors_core_write(struct cros_ec_sensors_core_state *st,
> }
> EXPORT_SYMBOL_GPL(cros_ec_sensors_core_write);
>
> -static int __maybe_unused cros_ec_sensors_prepare(struct device *dev)
> -{
> - struct iio_dev *indio_dev = dev_get_drvdata(dev);
> - struct cros_ec_sensors_core_state *st = iio_priv(indio_dev);
> -
> - if (st->curr_sampl_freq == 0)
> - return 0;
> -
> - /*
> - * If the sensors are sampled at high frequency, we will not be able to
> - * sleep. Set sampling to a long period if necessary.
> - */
> - if (st->curr_sampl_freq < CROS_EC_MIN_SUSPEND_SAMPLING_FREQUENCY) {
> - mutex_lock(&st->cmd_lock);
> - st->param.cmd = MOTIONSENSE_CMD_EC_RATE;
> - st->param.ec_rate.data = CROS_EC_MIN_SUSPEND_SAMPLING_FREQUENCY;
> - cros_ec_motion_send_host_cmd(st, 0);
> - mutex_unlock(&st->cmd_lock);
> - }
> - return 0;
> -}
> -
> -static void __maybe_unused cros_ec_sensors_complete(struct device *dev)
> -{
> - struct iio_dev *indio_dev = dev_get_drvdata(dev);
> - struct cros_ec_sensors_core_state *st = iio_priv(indio_dev);
> -
> - if (st->curr_sampl_freq == 0)
> - return;
> -
> - if (st->curr_sampl_freq < CROS_EC_MIN_SUSPEND_SAMPLING_FREQUENCY) {
> - mutex_lock(&st->cmd_lock);
> - st->param.cmd = MOTIONSENSE_CMD_EC_RATE;
> - st->param.ec_rate.data = st->curr_sampl_freq;
> - cros_ec_motion_send_host_cmd(st, 0);
> - mutex_unlock(&st->cmd_lock);
> - }
> -}
> -
> -const struct dev_pm_ops cros_ec_sensors_pm_ops = {
> -#ifdef CONFIG_PM_SLEEP
> - .prepare = cros_ec_sensors_prepare,
> - .complete = cros_ec_sensors_complete
> -#endif
> -};
> -EXPORT_SYMBOL_GPL(cros_ec_sensors_pm_ops);
> -
> MODULE_DESCRIPTION("ChromeOS EC sensor hub core functions");
> MODULE_LICENSE("GPL v2");
> diff --git a/drivers/iio/light/cros_ec_light_prox.c b/drivers/iio/light/cros_ec_light_prox.c
> index 698b2ee81ebf..ccdc6d8958c6 100644
> --- a/drivers/iio/light/cros_ec_light_prox.c
> +++ b/drivers/iio/light/cros_ec_light_prox.c
> @@ -256,7 +256,6 @@ MODULE_DEVICE_TABLE(platform, cros_ec_light_prox_ids);
> static struct platform_driver cros_ec_light_prox_platform_driver = {
> .driver = {
> .name = "cros-ec-light-prox",
> - .pm = &cros_ec_sensors_pm_ops,
> },
> .probe = cros_ec_light_prox_probe,
> .id_table = cros_ec_light_prox_ids,
> diff --git a/include/linux/iio/common/cros_ec_sensors_core.h b/include/linux/iio/common/cros_ec_sensors_core.h
> index b8f573ca9dcc..96ea4551945e 100644
> --- a/include/linux/iio/common/cros_ec_sensors_core.h
> +++ b/include/linux/iio/common/cros_ec_sensors_core.h
> @@ -30,9 +30,6 @@ enum {
> */
> #define CROS_EC_SAMPLE_SIZE (sizeof(s64) * 2)
>
> -/* Minimum sampling period to use when device is suspending */
> -#define CROS_EC_MIN_SUSPEND_SAMPLING_FREQUENCY 1000 /* 1 second */
> -
> typedef irqreturn_t (*cros_ec_sensors_capture_t)(int irq, void *p);
>
> /**
> @@ -117,8 +114,6 @@ int cros_ec_sensors_core_write(struct cros_ec_sensors_core_state *st,
> struct iio_chan_spec const *chan,
> int val, int val2, long mask);
>
> -extern const struct dev_pm_ops cros_ec_sensors_pm_ops;
> -
> /* List of extended channel specification for all sensors */
> extern const struct iio_chan_spec_ext_info cros_ec_sensors_ext_info[];
>
On 10/11/19 14:18, Jonathan Cameron wrote:
> On Tue, 5 Nov 2019 14:26:49 -0800
> Gwendal Grignou <[email protected]> wrote:
>
>> Since cros_ec_sensorhub is shutting down the FIFO when the device
>> suspends, no need to slow down the EC sampling period rate.
>> It was necesseary to do that before command CMD_FIFO_INT_ENABLE was
>> introduced, but now all supported chromebooks have it.
>>
>> Signed-off-by: Gwendal Grignou <[email protected]>
>
> Acked-by: Jonathan Cameron <[email protected]>
>
Also looks good to me
Acked-by: Enric Balletbo i Serra <[email protected]>
Thanks,
Enric
>> ---
>> No changes in v4, v3.
>> New in v2.
>>
>> .../cros_ec_sensors/cros_ec_lid_angle.c | 1 -
>> .../common/cros_ec_sensors/cros_ec_sensors.c | 1 -
>> .../cros_ec_sensors/cros_ec_sensors_core.c | 47 -------------------
>> drivers/iio/light/cros_ec_light_prox.c | 1 -
>> .../linux/iio/common/cros_ec_sensors_core.h | 5 --
>> 5 files changed, 55 deletions(-)
>>
>> diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_lid_angle.c b/drivers/iio/common/cros_ec_sensors/cros_ec_lid_angle.c
>> index e30a59fcf0f9..af801e203623 100644
>> --- a/drivers/iio/common/cros_ec_sensors/cros_ec_lid_angle.c
>> +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_lid_angle.c
>> @@ -127,7 +127,6 @@ MODULE_DEVICE_TABLE(platform, cros_ec_lid_angle_ids);
>> static struct platform_driver cros_ec_lid_angle_platform_driver = {
>> .driver = {
>> .name = DRV_NAME,
>> - .pm = &cros_ec_sensors_pm_ops,
>> },
>> .probe = cros_ec_lid_angle_probe,
>> .id_table = cros_ec_lid_angle_ids,
>> diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
>> index 62a0dd970988..9d0b8ad7a0a5 100644
>> --- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
>> +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
>> @@ -315,7 +315,6 @@ MODULE_DEVICE_TABLE(platform, cros_ec_sensors_ids);
>> static struct platform_driver cros_ec_sensors_platform_driver = {
>> .driver = {
>> .name = "cros-ec-sensors",
>> - .pm = &cros_ec_sensors_pm_ops,
>> },
>> .probe = cros_ec_sensors_probe,
>> .id_table = cros_ec_sensors_ids,
>> diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
>> index 904cd26dd31f..879b69527cae 100644
>> --- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
>> +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
>> @@ -723,52 +723,5 @@ int cros_ec_sensors_core_write(struct cros_ec_sensors_core_state *st,
>> }
>> EXPORT_SYMBOL_GPL(cros_ec_sensors_core_write);
>>
>> -static int __maybe_unused cros_ec_sensors_prepare(struct device *dev)
>> -{
>> - struct iio_dev *indio_dev = dev_get_drvdata(dev);
>> - struct cros_ec_sensors_core_state *st = iio_priv(indio_dev);
>> -
>> - if (st->curr_sampl_freq == 0)
>> - return 0;
>> -
>> - /*
>> - * If the sensors are sampled at high frequency, we will not be able to
>> - * sleep. Set sampling to a long period if necessary.
>> - */
>> - if (st->curr_sampl_freq < CROS_EC_MIN_SUSPEND_SAMPLING_FREQUENCY) {
>> - mutex_lock(&st->cmd_lock);
>> - st->param.cmd = MOTIONSENSE_CMD_EC_RATE;
>> - st->param.ec_rate.data = CROS_EC_MIN_SUSPEND_SAMPLING_FREQUENCY;
>> - cros_ec_motion_send_host_cmd(st, 0);
>> - mutex_unlock(&st->cmd_lock);
>> - }
>> - return 0;
>> -}
>> -
>> -static void __maybe_unused cros_ec_sensors_complete(struct device *dev)
>> -{
>> - struct iio_dev *indio_dev = dev_get_drvdata(dev);
>> - struct cros_ec_sensors_core_state *st = iio_priv(indio_dev);
>> -
>> - if (st->curr_sampl_freq == 0)
>> - return;
>> -
>> - if (st->curr_sampl_freq < CROS_EC_MIN_SUSPEND_SAMPLING_FREQUENCY) {
>> - mutex_lock(&st->cmd_lock);
>> - st->param.cmd = MOTIONSENSE_CMD_EC_RATE;
>> - st->param.ec_rate.data = st->curr_sampl_freq;
>> - cros_ec_motion_send_host_cmd(st, 0);
>> - mutex_unlock(&st->cmd_lock);
>> - }
>> -}
>> -
>> -const struct dev_pm_ops cros_ec_sensors_pm_ops = {
>> -#ifdef CONFIG_PM_SLEEP
>> - .prepare = cros_ec_sensors_prepare,
>> - .complete = cros_ec_sensors_complete
>> -#endif
>> -};
>> -EXPORT_SYMBOL_GPL(cros_ec_sensors_pm_ops);
>> -
>> MODULE_DESCRIPTION("ChromeOS EC sensor hub core functions");
>> MODULE_LICENSE("GPL v2");
>> diff --git a/drivers/iio/light/cros_ec_light_prox.c b/drivers/iio/light/cros_ec_light_prox.c
>> index 698b2ee81ebf..ccdc6d8958c6 100644
>> --- a/drivers/iio/light/cros_ec_light_prox.c
>> +++ b/drivers/iio/light/cros_ec_light_prox.c
>> @@ -256,7 +256,6 @@ MODULE_DEVICE_TABLE(platform, cros_ec_light_prox_ids);
>> static struct platform_driver cros_ec_light_prox_platform_driver = {
>> .driver = {
>> .name = "cros-ec-light-prox",
>> - .pm = &cros_ec_sensors_pm_ops,
>> },
>> .probe = cros_ec_light_prox_probe,
>> .id_table = cros_ec_light_prox_ids,
>> diff --git a/include/linux/iio/common/cros_ec_sensors_core.h b/include/linux/iio/common/cros_ec_sensors_core.h
>> index b8f573ca9dcc..96ea4551945e 100644
>> --- a/include/linux/iio/common/cros_ec_sensors_core.h
>> +++ b/include/linux/iio/common/cros_ec_sensors_core.h
>> @@ -30,9 +30,6 @@ enum {
>> */
>> #define CROS_EC_SAMPLE_SIZE (sizeof(s64) * 2)
>>
>> -/* Minimum sampling period to use when device is suspending */
>> -#define CROS_EC_MIN_SUSPEND_SAMPLING_FREQUENCY 1000 /* 1 second */
>> -
>> typedef irqreturn_t (*cros_ec_sensors_capture_t)(int irq, void *p);
>>
>> /**
>> @@ -117,8 +114,6 @@ int cros_ec_sensors_core_write(struct cros_ec_sensors_core_state *st,
>> struct iio_chan_spec const *chan,
>> int val, int val2, long mask);
>>
>> -extern const struct dev_pm_ops cros_ec_sensors_pm_ops;
>> -
>> /* List of extended channel specification for all sensors */
>> extern const struct iio_chan_spec_ext_info cros_ec_sensors_ext_info[];
>>
>