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Commit 53bbee09 authored by Rama Krishna Phani A's avatar Rama Krishna Phani A
Browse files

thermal: tsens: Update debug capability for Tsens 



Clients can query temperature using different api's.
Update debug support in all functions which can be used by clients
to query temperature. Update debugging by logging last 10 samples
of status register read for each sensor.

Change-Id: Ib98853b1f43337013a9614d483845b6d3cb9bb49
Signed-off-by: default avatarRama Krishna Phani A <rphani@codeaurora.org>
parent 6bee3417

drivers/thermal/msm-tsens.c

+18 −16
Original line number Diff line number Diff line
@@ -802,10 +802,6 @@ struct tsens_tm_device_sensor { 
	int				calib_data_point2;

	uint32_t			slope_mul_tsens_factor;

	struct tsens_thrshld_state	debug_thr_state_copy;

	/* dbg_adc_code logs either the raw ADC code or temperature values in

	 * decidegC based on the controller settings.

	 */

	int				dbg_adc_code;

	u32				wa_temp1_calib_offset_factor;

	u32				wa_temp2_calib_offset_factor;

};
@@ -821,6 +817,7 @@ struct tsens_sensor_dbg_info { 
	uint32_t			idx;

	unsigned long long		time_stmp[10];

	int				adccode[10];

	unsigned int			sx_status_reg[10];

};



struct tsens_mtc_sysfs {
@@ -862,6 +859,7 @@ struct tsens_tm_device { 
	struct tsens_mtc_sysfs		mtcsys;

	spinlock_t			tsens_crit_lock;

	spinlock_t			tsens_upp_low_lock;

	spinlock_t			tsens_debug_lock;

	bool				crit_set;

	struct tsens_dbg_counter	crit_timestamp_last_run;

	struct tsens_dbg_counter	crit_timestamp_last_interrupt_handled;
@@ -1392,7 +1390,8 @@ static int msm_tsens_get_temp(int sensor_client_id, unsigned long *temp) 
	bool last_temp_valid = false, last_temp2_valid = false;

	bool last_temp3_valid = false;

	struct tsens_tm_device *tmdev = NULL;

	uint32_t sensor_hw_num = 0;

	uint32_t sensor_hw_num = 0, idx = 0;

	unsigned long flags;



	tmdev = get_tsens_controller_for_client_id(sensor_client_id);

	if (tmdev == NULL) {
@@ -1494,7 +1493,18 @@ static int msm_tsens_get_temp(int sensor_client_id, unsigned long *temp) 
		*temp = last_temp;

	}



	tmdev->sensor[sensor_hw_num].dbg_adc_code = last_temp;

	spin_lock_irqsave(&tmdev->tsens_debug_lock, flags);

	idx = tmdev->sensor_dbg_info[sensor_hw_num].idx;

	tmdev->sensor_dbg_info[sensor_hw_num].temp[idx%10] = *temp;

	tmdev->sensor_dbg_info[sensor_hw_num].time_stmp[idx%10] =

					sched_clock();

	tmdev->sensor_dbg_info[sensor_hw_num].adccode[idx%10] =

			last_temp;

	tmdev->sensor_dbg_info[sensor_hw_num].sx_status_reg[idx%10] =

			code;

	idx++;

	tmdev->sensor_dbg_info[sensor_hw_num].idx = idx;

	spin_unlock_irqrestore(&tmdev->tsens_debug_lock, flags);



	trace_tsens_read(*temp, sensor_client_id);
@@ -1506,7 +1516,6 @@ static int tsens_tz_get_temp(struct thermal_zone_device *thermal, 
{

	struct tsens_tm_device_sensor *tm_sensor = thermal->devdata;

	struct tsens_tm_device *tmdev = NULL;

	uint32_t idx = 0;

	int rc = 0;



	if (!tm_sensor || !temp)
@@ -1520,15 +1529,6 @@ static int tsens_tz_get_temp(struct thermal_zone_device *thermal, 
	if (rc)

		return rc;



	idx = tmdev->sensor_dbg_info[tm_sensor->sensor_hw_num].idx;

	tmdev->sensor_dbg_info[tm_sensor->sensor_hw_num].temp[idx%10] = *temp;

	tmdev->sensor_dbg_info[tm_sensor->sensor_hw_num].time_stmp[idx%10] =

					sched_clock();

	tmdev->sensor_dbg_info[tm_sensor->sensor_hw_num].adccode[idx%10] =

			tmdev->sensor[tm_sensor->sensor_hw_num].dbg_adc_code;

	idx++;

	tmdev->sensor_dbg_info[tm_sensor->sensor_hw_num].idx = idx;



	return 0;

}
@@ -5764,6 +5764,8 @@ static int tsens_tm_probe(struct platform_device *pdev) 


	spin_lock_init(&tmdev->tsens_crit_lock);

	spin_lock_init(&tmdev->tsens_upp_low_lock);

	spin_lock_init(&tmdev->tsens_debug_lock);



	tmdev->is_ready = true;



	list_add_tail(&tmdev->list, &tsens_device_list);