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Commit fc5413be authored by Ram Chandrasekar's avatar Ram Chandrasekar
Browse files

msm: lmh_lite: Fix configurability for LMH software polling 



Update the lmh hardware driver to get the polling interval
value from the lmh interface driver, instead of using a local
static variable.

LMH interface driver already exposes debug interface to
configure the interval value.

Change-Id: Ie7d91519f197930ca513b30a671d8f6917d636b0
Signed-off-by: default avatarRam Chandrasekar <rkumbako@codeaurora.org>
parent 188ab649

drivers/thermal/lmh_interface.c

+7 −0
Original line number Diff line number Diff line
@@ -38,6 +38,7 @@ 
#define LMH_DBGFS_READ_TYPES		"data_types"

#define LMH_DBGFS_CONFIG_TYPES		"config_types"

#define LMH_TRACE_INTERVAL_XO_TICKS	250

#define LMH_POLLING_MSEC		30



struct lmh_mon_threshold {

	long				value;
@@ -94,6 +95,7 @@ static struct lmh_mon_driver_data *lmh_mon_data; 
static struct class			lmh_class_info = {

	.name = "msm_limits",

};

static int lmh_poll_interval = LMH_POLLING_MSEC;

static DECLARE_RWSEM(lmh_mon_access_lock);

static LIST_HEAD(lmh_sensor_list);

static DECLARE_RWSEM(lmh_dev_access_lock);
@@ -156,6 +158,11 @@ LMH_HW_LOG_FS(hw_log_interval); 
LMH_DEV_GET(max_level);

LMH_DEV_GET(curr_level);



int lmh_get_poll_interval(void)

{

	return lmh_poll_interval;

}



static ssize_t curr_level_set(struct device *dev,

	struct device_attribute *attr, const char *buf, size_t count)

{

drivers/thermal/lmh_interface.h

+6 −2
Original line number Diff line number Diff line
@@ -15,7 +15,6 @@ 
#define __LMH_INTERFACE_H



#define LMH_NAME_MAX			20

#define LMH_POLLING_MSEC		30

#define LMH_READ_LINE_LENGTH		10



enum lmh_trip_type {
@@ -51,7 +50,6 @@ struct lmh_debug_ops { 
	int (*debug_get_types)(struct lmh_debug_ops *, bool, uint32_t **);

};



static int lmh_poll_interval = LMH_POLLING_MSEC;

#ifdef CONFIG_LIMITS_MONITOR

int lmh_get_all_dev_levels(char *, int *);

int lmh_set_dev_level(char *, int);
@@ -62,6 +60,7 @@ int lmh_device_register(char *, struct lmh_device_ops *); 
void lmh_device_deregister(struct lmh_device_ops *);

int lmh_debug_register(struct lmh_debug_ops *);

void lmh_debug_deregister(struct lmh_debug_ops *ops);

int lmh_get_poll_interval(void);

#else

static inline int lmh_get_all_dev_levels(char *device_name, int *level)

{
@@ -107,6 +106,11 @@ static inline int lmh_debug_register(struct lmh_debug_ops *) 


static inline void lmh_debug_deregister(struct lmh_debug_ops *ops)

{ }



static inline int lmh_get_poll_interval(void)

{

	return -ENOSYS;

}

#endif



#endif /*__LMH_INTERFACE_H*/

drivers/thermal/lmh_lite.c

+2 −2
Original line number Diff line number Diff line
@@ -383,7 +383,7 @@ static void lmh_poll(struct work_struct *work) 
		goto poll_exit;

	} else {

		queue_delayed_work(lmh_dat->poll_wq, &lmh_dat->poll_work,

			msecs_to_jiffies(lmh_poll_interval));

			msecs_to_jiffies(lmh_get_poll_interval()));

	}



poll_exit:
@@ -455,7 +455,7 @@ static irqreturn_t lmh_isr_thread(int irq, void *data) 
decide_next_action:

	if (lmh_dat->intr_state == LMH_ISR_POLLING)

		queue_delayed_work(lmh_dat->poll_wq, &lmh_dat->poll_work,

			msecs_to_jiffies(lmh_poll_interval));

			msecs_to_jiffies(lmh_get_poll_interval()));

	else

		enable_irq(lmh_dat->irq_num);