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Commit 595c84e1 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "thermal: tsens: Add polling option for debug check"

parents c01c5890 022e3aa3

drivers/thermal/msm-tsens.c

+36 −4
Original line number Diff line number Diff line
@@ -651,10 +651,10 @@ 
#define TSENS_DEBUG_OFFSET_WORD2	0x8

#define TSENS_DEBUG_OFFSET_WORD3	0xc

#define TSENS_DEBUG_OFFSET_ROW		0x10

#define TSENS_DEBUG_10_DECIDEGC		100

#define TSENS_DEBUG_DECIDEGC		-400



static uint32_t tsens_sec_to_msec_value = 3000;

static uint32_t tsens_completion_timeout_hz = HZ;

static uint32_t tsens_completion_timeout_hz = 2 * HZ;



enum tsens_calib_fuse_map_type {

	TSENS_CALIB_FUSE_MAP_8974 = 0,
@@ -1612,10 +1612,14 @@ static void tsens_poll(struct work_struct *work) 
	unsigned int reg_cntl, mask, rc = 0, debug_dump, i = 0, loop = 0;

	uint32_t r1, r2, r3, r4, offset = 0;

	unsigned long temp;

	unsigned int status, int_mask, int_mask_val;

	void __iomem *srot_addr;

	void __iomem *controller_id_addr;

	void __iomem *debug_id_addr;

	void __iomem *debug_data_addr;

	void __iomem *sensor_status_addr;

	void __iomem *sensor_int_mask_addr;

	void __iomem *sensor_critical_addr;



	/* Set the Critical temperature threshold to a value of 10 that should

	 * guarantee a threshold to trigger. Check the interrupt count if
@@ -1628,7 +1632,7 @@ static void tsens_poll(struct work_struct *work) 
	debug_data_addr = TSENS_DEBUG_DATA(tmdev->tsens_addr);

	srot_addr = TSENS_CTRL_ADDR(tmdev->tsens_addr);



	temp = TSENS_DEBUG_10_DECIDEGC;

	temp = TSENS_DEBUG_DECIDEGC;

	/* Sensor 0 on either of the controllers */

	mask = 0;
@@ -1648,7 +1652,33 @@ static void tsens_poll(struct work_struct *work) 
				&tmdev->tsens_rslt_completion,

				tsens_completion_timeout_hz);

	if (!rc) {

		pr_err("Did not receive the TSENS critical interrupt\n");

		pr_err("Switch to polling, TSENS critical interrupt failed\n");

		sensor_status_addr = TSENS_TM_SN_STATUS(tmdev->tsens_addr);

		sensor_int_mask_addr =

			TSENS_TM_CRITICAL_INT_MASK(tmdev->tsens_addr);

		sensor_critical_addr =

			TSENS_TM_SN_CRITICAL_THRESHOLD(tmdev->tsens_addr);

		status = readl_relaxed(sensor_status_addr);

		int_mask = readl_relaxed(sensor_int_mask_addr);



		if ((status & TSENS_TM_SN_STATUS_CRITICAL_STATUS) &&

			!(int_mask & 1)) {

			int_mask = readl_relaxed(sensor_int_mask_addr);

			int_mask_val = 1;

			/* Mask the corresponding interrupt for the sensors */

			writel_relaxed(int_mask | int_mask_val,

				TSENS_TM_CRITICAL_INT_MASK(

					tmdev->tsens_addr));

			/* Clear the corresponding sensors interrupt */

			writel_relaxed(int_mask_val,

				TSENS_TM_CRITICAL_INT_CLEAR(tmdev->tsens_addr));

			writel_relaxed(0,

				TSENS_TM_CRITICAL_INT_CLEAR(

					tmdev->tsens_addr));



			goto re_schedule;

		}



		debug_dump = readl_relaxed(controller_id_addr);

		pr_err("Controller_id: 0x%x\n", debug_dump);

		for (i = TSENS_DEBUG_BUS_ID_2; i < TSENS_DEBUG_BUS_ID_4; i++) {
@@ -1700,6 +1730,8 @@ static void tsens_poll(struct work_struct *work) 
		BUG();

	}



re_schedule:



	schedule_delayed_work(&tmdev->tsens_critical_poll_test,

			msecs_to_jiffies(tsens_sec_to_msec_value));

}