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Commit cdea25bd 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 "power: qpnp-smbcharger: add debug mask for logging"

parents e1fb0de7 d1581e33

drivers/power/qpnp-smbcharger.c

+102 −68
Original line number Diff line number Diff line
@@ -143,6 +143,26 @@ struct smbchg_chip { 
	struct mutex			dc_en_lock;

};



enum print_reason {

	PR_REGISTER = BIT(0),

	PR_INTERRUPT = BIT(1),

	PR_STATUS = BIT(2),

	PR_DUMP = BIT(3),

};



static int smbchg_debug_mask;

module_param_named(

	debug_mask, smbchg_debug_mask, int, S_IRUSR | S_IWUSR

);



#define pr_smb(reason, fmt, ...)				\

	do {							\

		if (smbchg_debug_mask & (reason))		\

			pr_info(fmt, ##__VA_ARGS__);		\

		else						\

			pr_debug(fmt, ##__VA_ARGS__);		\

	} while (0)



static int smbchg_read(struct smbchg_chip *chip, u8 *val,

			u16 addr, int count)

{
@@ -222,7 +242,7 @@ static int smbchg_masked_write_raw(struct smbchg_chip *chip, u16 base, u8 mask, 
	reg &= ~mask;

	reg |= val & mask;



	pr_debug("addr = 0x%x writing 0x%x\n", base, reg);

	pr_smb(PR_REGISTER, "addr = 0x%x writing 0x%x\n", base, reg);



	rc = smbchg_write(chip, &reg, base, 1);

	if (rc) {
@@ -298,11 +318,12 @@ static bool is_otg_present(struct smbchg_chip *chip) 


	rc = smbchg_read(chip, &reg, chip->usb_chgpth_base + RID_STS, 1);

	if (rc < 0) {

		pr_err("Couldn't read usb rid status rc = %d\n", rc);

		dev_err(chip->dev,

				"Couldn't read usb rid status rc = %d\n", rc);

		return false;

	}



	pr_debug("RID_STS = %02x\n", reg);

	pr_smb(PR_STATUS, "RID_STS = %02x\n", reg);



	return (reg & RID_MASK) == 0;

}
@@ -445,7 +466,7 @@ static int get_prop_batt_status(struct smbchg_chip *chip) 
	else

		status = POWER_SUPPLY_STATUS_CHARGING;

out:

	pr_debug("CHGR_STS = 0x%02x\n", reg);

	pr_smb(PR_STATUS, "CHGR_STS = 0x%02x\n", reg);

	return status;

}
@@ -597,7 +618,8 @@ static int calc_thermal_limited_current(struct smbchg_chip *chip, 
		 */

		therm_ma = (int)chip->thermal_mitigation[chip->therm_lvl_sel];

		if (therm_ma < current_ma) {

			dev_dbg(chip->dev, "Limiting current due to thermal: %d mA",

			pr_smb(PR_STATUS,

				"Limiting current due to thermal: %d mA",

				therm_ma);

			return therm_ma;

		}
@@ -657,7 +679,7 @@ static int smbchg_set_dc_current_max(struct smbchg_chip *chip, int current_ma) 
	chip->dc_max_current_ma = dc_current_table[i];

	dc_cur_val = i & DCIN_INPUT_MASK;



	dev_dbg(chip->dev, "dc current set to %d mA\n",

	pr_smb(PR_STATUS, "dc current set to %d mA\n",

			chip->dc_max_current_ma);

	return smbchg_sec_masked_write(chip, chip->dc_chgpth_base + IL_CFG,

				DCIN_INPUT_MASK, dc_cur_val);
@@ -694,7 +716,7 @@ static struct power_supply *get_parallel_psy(struct smbchg_chip *chip) 
		return chip->parallel.psy;

	chip->parallel.psy = power_supply_get_by_name("usb-parallel");

	if (!chip->parallel.psy)

		pr_debug("parallel charger not found\n");

		pr_smb(PR_STATUS, "parallel charger not found\n");

	return chip->parallel.psy;

}
@@ -718,7 +740,7 @@ static void smbchg_parallel_usb_determine_current(struct smbchg_chip *chip) 
	rc = smbchg_read(chip, &reg,

			chip->usb_chgpth_base + ICL_STS_2_REG, 1);

	if (rc) {

		pr_err("Could not read usb icl sts 2: %d\n", rc);

		dev_err(chip->dev, "Could not read usb icl sts 2: %d\n", rc);

		return;

	}
@@ -728,14 +750,14 @@ static void smbchg_parallel_usb_determine_current(struct smbchg_chip *chip) 
	 */

	if (!!(reg & USBIN_SUSPEND_STS_BIT) ||

				!(reg & USBIN_ACTIVE_PWR_SRC_BIT)) {

		pr_debug("USB not active power source: %02x\n", reg);

		pr_smb(PR_STATUS, "USB not active power source: %02x\n", reg);

		return;

	}



	rc = smbchg_read(chip, &reg,

			chip->usb_chgpth_base + ICL_STS_1_REG, 1);

	if (rc) {

		pr_err("Could not read usb icl sts 1: %d\n", rc);

		dev_err(chip->dev, "Could not read usb icl sts 1: %d\n", rc);

		return;

	}
@@ -770,7 +792,7 @@ static void smbchg_parallel_usb_determine_current(struct smbchg_chip *chip) 
	if (new_parallel_cl_ma < chip->parallel.current_max_ma

			|| chip->parallel.current_max_ma <= SUSPEND_CURRENT_MA)

		chip->parallel.current_max_ma = new_parallel_cl_ma;

	pr_debug("ICL at %d. Setting Parallel ICL at %d\n",

	pr_smb(PR_STATUS, "ICL at %d. Setting Parallel ICL at %d\n",

			current_limit_ma, chip->parallel.current_max_ma);



	mutex_lock(&chip->usb_en_lock);
@@ -791,7 +813,7 @@ static void smbchg_parallel_usb_en(struct smbchg_chip *chip, bool enable) 
	power_supply_set_current_limit(parallel_psy,

			enable ? chip->parallel.current_max_ma * 1000

			: (SUSPEND_CURRENT_MA * 1000));

	pr_debug("parallel charger %s\n",

	pr_smb(PR_STATUS, "parallel charger %s\n",

			enable ? "unsuspended" : "suspended");

}
@@ -816,7 +838,7 @@ static int smbchg_usb_en(struct smbchg_chip *chip, bool enable, 
{

	int rc = 0, suspended;



	pr_debug("usb charging %s, suspended = %02x, enable = %d, reason = %02x\n",

	pr_smb(PR_STATUS, "usb %s, susp = %02x, en? = %d, reason = %02x\n",

			chip->usb_suspended == 0 ? "enabled"

			: "suspended", chip->usb_suspended, enable, reason);

	mutex_lock(&chip->usb_en_lock);
@@ -840,7 +862,7 @@ static int smbchg_usb_en(struct smbchg_chip *chip, bool enable, 
		goto out;

	}



	pr_debug("usb charging %s, suspended = %02x\n",

	pr_smb(PR_STATUS, "usb charging %s, suspended = %02x\n",

			suspended == 0 ? "enabled"

			: "suspended", suspended);

out:
@@ -854,7 +876,7 @@ static int smbchg_dc_en(struct smbchg_chip *chip, bool enable, 
{

	int rc = 0, suspended;



	pr_debug("dc charging %s, suspended = %02x, enable = %d, reason = %02x\n",

	pr_smb(PR_STATUS, "dc %s, susp = %02x, en? = %d, reason = %02x\n",

			chip->dc_suspended == 0 ? "enabled"

			: "suspended", chip->dc_suspended, enable, reason);

	mutex_lock(&chip->dc_en_lock);
@@ -877,7 +899,7 @@ static int smbchg_dc_en(struct smbchg_chip *chip, bool enable, 


	if (chip->psy_registered)

		power_supply_changed(&chip->dc_psy);

	pr_debug("dc charging %s, suspended = %02x\n",

	pr_smb(PR_STATUS, "dc charging %s, suspended = %02x\n",

			suspended == 0 ? "enabled"

			: "suspended", suspended);

out:
@@ -959,7 +981,7 @@ static int smbchg_set_usb_current_max(struct smbchg_chip *chip, 
				current_ma);

		return 0;

	}

	pr_debug("USB current_ma = %d\n", current_ma);

	pr_smb(PR_STATUS, "USB current_ma = %d\n", current_ma);



	if (current_ma == SUSPEND_CURRENT_MA) {

		/* suspend the usb if current set to 2mA */
@@ -972,7 +994,8 @@ static int smbchg_set_usb_current_max(struct smbchg_chip *chip, 


	if (chip->low_icl_wa_on) {

		chip->usb_max_current_ma = current_ma;

		pr_debug("low_icl_wa on, ignoring the usb current setting\n");

		pr_smb(PR_STATUS,

			"low_icl_wa on, ignoring the usb current setting\n");

		goto out;

	}

	if (current_ma < CURRENT_150_MA) {
@@ -1020,7 +1043,8 @@ static int smbchg_set_usb_current_max(struct smbchg_chip *chip, 


	rc = smbchg_set_high_usb_chg_current(chip, current_ma);

out:

	pr_debug("usb current set to %d mA\n", chip->usb_max_current_ma);

	pr_smb(PR_STATUS, "usb current set to %d mA\n",

			chip->usb_max_current_ma);

	if (rc < 0)

		dev_err(chip->dev,

			"Couldn't set %dmA rc = %d\n", current_ma, rc);
@@ -1034,7 +1058,8 @@ static int smbchg_low_icl_wa_check(struct smbchg_chip *chip) 
		!= POWER_SUPPLY_STATUS_CHARGING);



	mutex_lock(&chip->current_change_lock);

	pr_debug("low icl %s -> %s\n", chip->low_icl_wa_on ? "on" : "off",

	pr_smb(PR_STATUS, "low icl %s -> %s\n",

			chip->low_icl_wa_on ? "on" : "off",

			enable ? "on" : "off");

	if (enable == chip->low_icl_wa_on)

		goto out;
@@ -1048,7 +1073,8 @@ static int smbchg_low_icl_wa_check(struct smbchg_chip *chip) 
					USBIN_MODE_CHG_BIT | USB51_MODE_BIT,

					USBIN_LIMITED_MODE | USB51_100MA);

		if (rc)

			pr_err("could not set low current limit: %d\n", rc);

			dev_err(chip->dev,

				"could not set low current limit: %d\n", rc);

	} else {

		rc = smbchg_set_usb_current_max(chip, chip->usb_max_current_ma);

	}
@@ -1086,18 +1112,18 @@ static int smbchg_system_temp_level_set(struct smbchg_chip *chip, 
	int prev_therm_lvl;



	if (!chip->thermal_mitigation) {

		pr_err("Thermal mitigation not supported\n");

		dev_err(chip->dev, "Thermal mitigation not supported\n");

		return -EINVAL;

	}



	if (lvl_sel < 0) {

		pr_err("Unsupported level selected %d\n", lvl_sel);

		dev_err(chip->dev, "Unsupported level selected %d\n", lvl_sel);

		return -EINVAL;

	}



	if (lvl_sel >= chip->thermal_levels) {

		pr_err("Unsupported level selected %d forcing %d\n", lvl_sel,

				chip->thermal_levels - 1);

		dev_err(chip->dev, "Unsupported level selected %d forcing %d\n",

				lvl_sel, chip->thermal_levels - 1);

		lvl_sel = chip->thermal_levels - 1;

	}
@@ -1319,8 +1345,8 @@ static void smbchg_external_power_changed(struct power_supply *psy) 
	rc = chip->usb_psy->get_property(chip->usb_psy,

				POWER_SUPPLY_PROP_CHARGING_ENABLED, &prop);

	if (rc < 0)

		dev_dbg(chip->dev,

			"could not read USB charging enabled, rc=%d\n", rc);

		pr_smb(PR_STATUS, "could not read USB charge_en, rc=%d\n",

				rc);

	else

		smbchg_usb_en(chip, prop.intval, REASON_POWER_SUPPLY);
@@ -1331,7 +1357,7 @@ static void smbchg_external_power_changed(struct power_supply *psy) 
			"could not read USB current_max property, rc=%d\n", rc);

	else

		current_limit = prop.intval / 1000;

	pr_debug("current_limit = %d\n", current_limit);

	pr_smb(PR_STATUS, "current_limit = %d\n", current_limit);



	mutex_lock(&chip->current_change_lock);

	chip->usb_target_current_ma = current_limit;
@@ -1402,7 +1428,7 @@ static int smbchg_otg_regulator_enable(struct regulator_dev *rdev) 
			OTG_EN, OTG_EN);

	if (rc < 0)

		dev_err(chip->dev, "Couldn't enable OTG mode rc=%d\n", rc);

	pr_debug("Enabling OTG Boost\n");

	pr_smb(PR_STATUS, "Enabling OTG Boost\n");

	return rc;

}
@@ -1415,7 +1441,7 @@ static int smbchg_otg_regulator_disable(struct regulator_dev *rdev) 
			OTG_EN, 0);

	if (rc < 0)

		dev_err(chip->dev, "Couldn't disable OTG mode rc=%d\n", rc);

	pr_debug("Disabling OTG Boost\n");

	pr_smb(PR_STATUS, "Disabling OTG Boost\n");

	return rc;

}
@@ -1502,7 +1528,7 @@ static irqreturn_t batt_hot_handler(int irq, void *_chip) 


	smbchg_read(chip, &reg, chip->bat_if_base + RT_STS, 1);

	chip->batt_hot = !!(reg & HOT_BAT_HARD_BIT);

	pr_debug("triggered: 0x%02x\n", reg);

	pr_smb(PR_INTERRUPT, "triggered: 0x%02x\n", reg);

	smbchg_low_icl_wa_check(chip);

	if (chip->psy_registered)

		power_supply_changed(&chip->batt_psy);
@@ -1516,7 +1542,7 @@ static irqreturn_t batt_cold_handler(int irq, void *_chip) 


	smbchg_read(chip, &reg, chip->bat_if_base + RT_STS, 1);

	chip->batt_cold = !!(reg & COLD_BAT_HARD_BIT);

	pr_debug("triggered: 0x%02x\n", reg);

	pr_smb(PR_INTERRUPT, "triggered: 0x%02x\n", reg);

	smbchg_low_icl_wa_check(chip);

	if (chip->psy_registered)

		power_supply_changed(&chip->batt_psy);
@@ -1530,7 +1556,7 @@ static irqreturn_t batt_warm_handler(int irq, void *_chip) 


	smbchg_read(chip, &reg, chip->bat_if_base + RT_STS, 1);

	chip->batt_warm = !!(reg & HOT_BAT_SOFT_BIT);

	pr_debug("triggered: 0x%02x\n", reg);

	pr_smb(PR_INTERRUPT, "triggered: 0x%02x\n", reg);

	if (chip->psy_registered)

		power_supply_changed(&chip->batt_psy);

	return IRQ_HANDLED;
@@ -1543,7 +1569,7 @@ static irqreturn_t batt_cool_handler(int irq, void *_chip) 


	smbchg_read(chip, &reg, chip->bat_if_base + RT_STS, 1);

	chip->batt_cool = !!(reg & COLD_BAT_SOFT_BIT);

	pr_debug("triggered: 0x%02x\n", reg);

	pr_smb(PR_INTERRUPT, "triggered: 0x%02x\n", reg);

	if (chip->psy_registered)

		power_supply_changed(&chip->batt_psy);

	return IRQ_HANDLED;
@@ -1556,7 +1582,7 @@ static irqreturn_t batt_pres_handler(int irq, void *_chip) 


	smbchg_read(chip, &reg, chip->bat_if_base + RT_STS, 1);

	chip->batt_present = !(reg & BAT_MISSING_BIT);

	pr_debug("triggered: 0x%02x\n", reg);

	pr_smb(PR_INTERRUPT, "triggered: 0x%02x\n", reg);

	if (chip->psy_registered)

		power_supply_changed(&chip->batt_psy);

	return IRQ_HANDLED;
@@ -1572,7 +1598,7 @@ static irqreturn_t chg_error_handler(int irq, void *_chip) 
{

	struct smbchg_chip *chip = _chip;



	pr_debug("chg-error triggered\n");

	pr_smb(PR_INTERRUPT, "chg-error triggered\n");

	smbchg_low_icl_wa_check(chip);

	if (chip->psy_registered)

		power_supply_changed(&chip->batt_psy);
@@ -1584,7 +1610,7 @@ static irqreturn_t fastchg_handler(int irq, void *_chip) 
{

	struct smbchg_chip *chip = _chip;



	pr_debug("p2f triggered\n");

	pr_smb(PR_INTERRUPT, "p2f triggered\n");

	smbchg_low_icl_wa_check(chip);

	if (chip->psy_registered)

		power_supply_changed(&chip->batt_psy);
@@ -1608,7 +1634,7 @@ static irqreturn_t chg_term_handler(int irq, void *_chip) 


	smbchg_read(chip, &reg, chip->chgr_base + RT_STS, 1);

	chip->chg_done_batt_full = !!(reg & BAT_TCC_REACHED_BIT);

	pr_debug("triggered: 0x%02x\n", reg);

	pr_smb(PR_INTERRUPT, "triggered: 0x%02x\n", reg);

	if (chip->psy_registered)

		power_supply_changed(&chip->batt_psy);

	return IRQ_HANDLED;
@@ -1620,7 +1646,7 @@ static irqreturn_t taper_handler(int irq, void *_chip) 
	u8 reg = 0;



	smbchg_read(chip, &reg, chip->chgr_base + RT_STS, 1);

	pr_debug("triggered: 0x%02x\n", reg);

	pr_smb(PR_INTERRUPT, "triggered: 0x%02x\n", reg);

	return IRQ_HANDLED;

}
@@ -1630,7 +1656,7 @@ static irqreturn_t recharge_handler(int irq, void *_chip) 
	u8 reg = 0;



	smbchg_read(chip, &reg, chip->chgr_base + RT_STS, 1);

	pr_debug("triggered: 0x%02x\n", reg);

	pr_smb(PR_INTERRUPT, "triggered: 0x%02x\n", reg);

	if (chip->psy_registered)

		power_supply_changed(&chip->batt_psy);

	return IRQ_HANDLED;
@@ -1659,7 +1685,7 @@ static irqreturn_t power_ok_handler(int irq, void *_chip) 
	u8 reg = 0;



	smbchg_read(chip, &reg, chip->misc_base + RT_STS, 1);

	pr_debug("triggered: 0x%02x\n", reg);

	pr_smb(PR_INTERRUPT, "triggered: 0x%02x\n", reg);

	return IRQ_HANDLED;

}
@@ -1674,7 +1700,7 @@ static irqreturn_t dcin_uv_handler(int irq, void *_chip) 
	struct smbchg_chip *chip = _chip;

	bool dc_present = is_dc_present(chip);



	pr_debug("chip->dc_present = %d dc_present = %d\n",

	pr_smb(PR_STATUS, "chip->dc_present = %d dc_present = %d\n",

			chip->dc_present, dc_present);



	if (chip->dc_present != dc_present) {
@@ -1692,9 +1718,10 @@ static void handle_usb_removal(struct smbchg_chip *chip) 
	struct power_supply *parallel_psy;



	if (chip->usb_psy) {

		pr_debug("setting usb psy type = %d\n",

		pr_smb(PR_STATUS, "setting usb psy type = %d\n",

				POWER_SUPPLY_TYPE_UNKNOWN);

		pr_debug("setting usb psy present = %d\n", chip->usb_present);

		pr_smb(PR_STATUS, "setting usb psy present = %d\n",

				chip->usb_present);

		power_supply_set_supply_type(chip->usb_psy,

				POWER_SUPPLY_TYPE_UNKNOWN);

		power_supply_set_present(chip->usb_psy, chip->usb_present);
@@ -1725,12 +1752,14 @@ static void handle_usb_insertion(struct smbchg_chip *chip) 
		dev_err(chip->dev, "Couldn't read status 5 rc = %d\n", rc);

	usb_type_name = get_usb_type_name(reg);

	usb_supply_type = get_usb_supply_type(reg);

	pr_debug("inserted %s, usb psy type = %d stat_5 = 0x%02x\n",

	pr_smb(PR_STATUS, "inserted %s, usb psy type = %d stat_5 = 0x%02x\n",

			usb_type_name, usb_supply_type, reg);

	if (chip->usb_psy) {

		pr_debug("setting usb psy type = %d\n", usb_supply_type);

		pr_smb(PR_STATUS, "setting usb psy type = %d\n",

				usb_supply_type);

		power_supply_set_supply_type(chip->usb_psy, usb_supply_type);

		pr_debug("setting usb psy present = %d\n", chip->usb_present);

		pr_smb(PR_STATUS, "setting usb psy present = %d\n",

				chip->usb_present);

		power_supply_set_present(chip->usb_psy, chip->usb_present);

		schedule_work(&chip->usb_set_online_work);

	}
@@ -1754,7 +1783,7 @@ static irqreturn_t usbin_uv_handler(int irq, void *_chip) 
	struct smbchg_chip *chip = _chip;

	bool usb_present = is_usb_present(chip);



	pr_debug("chip->usb_present = %d usb_present = %d\n",

	pr_smb(PR_STATUS, "chip->usb_present = %d usb_present = %d\n",

			chip->usb_present, usb_present);

	if (chip->usb_present && !usb_present) {

		/* USB removed */
@@ -1775,7 +1804,7 @@ static irqreturn_t src_detect_handler(int irq, void *_chip) 
	struct smbchg_chip *chip = _chip;

	bool usb_present = is_usb_present(chip);



	pr_debug("chip->usb_present = %d usb_present = %d\n",

	pr_smb(PR_STATUS, "chip->usb_present = %d usb_present = %d\n",

			chip->usb_present, usb_present);



	if (!chip->usb_present && usb_present) {
@@ -1795,7 +1824,7 @@ static irqreturn_t otg_oc_handler(int irq, void *_chip) 
{

	struct smbchg_chip *chip = _chip;



	pr_debug("triggered\n");

	pr_smb(PR_INTERRUPT, "triggered\n");

	/*

	 * Due to a HW bug in the PMI8994 charger, the current inrush that

	 * occurs when connecting certain OTG devices can cause the OTG
@@ -1806,7 +1835,8 @@ static irqreturn_t otg_oc_handler(int irq, void *_chip) 
	 */

	if (chip->otg_retries < NUM_OTG_RETRIES) {

		chip->otg_retries += 1;

		pr_debug("Retrying OTG enable. Try #%d\n", chip->otg_retries);

		pr_smb(PR_STATUS, "Retrying OTG enable. Try #%d\n",

							chip->otg_retries);

		smbchg_masked_write(chip, chip->bat_if_base + CMD_CHG_REG,

							OTG_EN, 0);

		msleep(20);
@@ -1822,7 +1852,7 @@ static irqreturn_t otg_oc_handler(int irq, void *_chip) 
 */

static irqreturn_t otg_fail_handler(int irq, void *_chip)

{

	pr_debug("triggered\n");

	pr_smb(PR_INTERRUPT, "triggered\n");

	return IRQ_HANDLED;

}
@@ -1835,7 +1865,7 @@ static irqreturn_t aicl_done_handler(int irq, void *_chip) 
	struct smbchg_chip *chip = _chip;

	bool usb_present = is_usb_present(chip);



	pr_debug("aicl_done triggered\n");

	pr_smb(PR_INTERRUPT, "aicl_done triggered\n");

	if (chip->parallel.avail && usb_present)

		smbchg_parallel_usb_determine_current(chip);

	return IRQ_HANDLED;
@@ -1850,7 +1880,7 @@ static irqreturn_t usbid_change_handler(int irq, void *_chip) 
	struct smbchg_chip *chip = _chip;

	bool otg_present;



	pr_debug("triggered\n");

	pr_smb(PR_INTERRUPT, "triggered\n");



	/*

	 * After the falling edge of the usbid change interrupt occurs,
@@ -1865,7 +1895,7 @@ static irqreturn_t usbid_change_handler(int irq, void *_chip) 
	if (chip->usb_psy)

		power_supply_set_usb_otg(chip->usb_psy, otg_present ? 1 : 0);

	if (otg_present)

		pr_debug("OTG detected\n");

		pr_smb(PR_STATUS, "OTG detected\n");



	return IRQ_HANDLED;

}
@@ -1882,7 +1912,7 @@ static irqreturn_t chg_inhibit_handler(int irq, void *_chip) 


	smbchg_read(chip, &reg, chip->chgr_base + RT_STS, 1);

	chip->chg_done_batt_full = !!(reg & CHG_INHIBIT_BIT);

	pr_debug("triggered: 0x%02x\n", reg);

	pr_smb(PR_INTERRUPT, "triggered: 0x%02x\n", reg);

	if (chip->psy_registered)

		power_supply_changed(&chip->batt_psy);

	return IRQ_HANDLED;
@@ -1986,14 +2016,16 @@ static int smbchg_hw_init(struct smbchg_chip *chip) 
	rc = smbchg_sec_masked_write(chip, chip->usb_chgpth_base + TR_RID_REG,

			FG_INPUT_FET_DELAY_BIT, FG_INPUT_FET_DELAY_BIT);

	if (rc < 0) {

		pr_err("Couldn't disable fg input fet delay rc=%d\n", rc);

		dev_err(chip->dev, "Couldn't disable fg input fet delay rc=%d\n",

				rc);

		return rc;

	}



	rc = smbchg_sec_masked_write(chip, chip->misc_base + TRIM_OPTIONS_7_0,

			INPUT_MISSING_POLLER_EN_BIT, 0);

	if (rc < 0) {

		pr_err("Couldn't disable input missing poller rc=%d\n", rc);

		dev_err(chip->dev, "Couldn't disable input missing poller rc=%d\n",

				rc);

		return rc;

	}
@@ -2056,7 +2088,7 @@ static int smbchg_hw_init(struct smbchg_chip *chip) 
				"Couldn't set float voltage rc = %d\n", rc);

			return rc;

		}

		pr_debug("set vfloat to %d\n", chip->vfloat_mv);

		pr_smb(PR_STATUS, "set vfloat to %d\n", chip->vfloat_mv);

	}



	/* set iterm */
@@ -2090,8 +2122,8 @@ static int smbchg_hw_init(struct smbchg_chip *chip) 
					"Couldn't set iterm rc = %d\n", rc);

				return rc;

			}

			pr_debug("set tcc (%d) to 0x%02x\n", chip->iterm_ma,

					reg);

			pr_smb(PR_STATUS, "set tcc (%d) to 0x%02x\n",

					chip->iterm_ma, reg);

		}

	}
@@ -2265,7 +2297,7 @@ do { \ 
	if ((retval == -EINVAL) && optional)				\

		retval = 0;						\

	else if (retval)						\

		pr_err("Error reading " #dt_property			\

		dev_err(chip->dev, "Error reading " #dt_property	\

				" property rc = %d\n", rc);		\

} while (0)
@@ -2325,7 +2357,8 @@ static int smb_parse_dt(struct smbchg_chip *chip) 
	} else {

		chip->bmd_pin_src = get_bpd(bpd);

		if (chip->bmd_pin_src < 0) {

			pr_err("failed to determine bpd schema %d\n", rc);

			dev_err(chip->dev,

				"failed to determine bpd schema %d\n", rc);

			return rc;

		}

	}
@@ -2373,7 +2406,7 @@ static int smb_parse_dt(struct smbchg_chip *chip) 
			GFP_KERNEL);



		if (chip->thermal_mitigation == NULL) {

			pr_err("thermal mitigation kzalloc() failed.\n");

			dev_err(chip->dev, "thermal mitigation kzalloc() failed.\n");

			return -ENOMEM;

		}
@@ -2382,7 +2415,8 @@ static int smb_parse_dt(struct smbchg_chip *chip) 
				"qcom,thermal-mitigation",

				chip->thermal_mitigation, chip->thermal_levels);

		if (rc) {

			pr_err("Couldn't read threm limits rc = %d\n", rc);

			dev_err(chip->dev,

				"Couldn't read threm limits rc = %d\n", rc);

			return rc;

		}

	}
@@ -2609,7 +2643,7 @@ static inline void dump_reg(struct smbchg_chip *chip, u16 addr, 
	u8 reg;



	smbchg_read(chip, &reg, addr, 1);

	pr_debug("%s - %04X = %02X\n", name, addr, reg);

	pr_smb(PR_DUMP, "%s - %04X = %02X\n", name, addr, reg);

}



/* dumps useful registers for debug */
@@ -2652,7 +2686,7 @@ static int smbchg_probe(struct spmi_device *spmi) 


	usb_psy = power_supply_get_by_name("usb");

	if (!usb_psy) {

		dev_dbg(&spmi->dev, "USB supply not found, deferring probe\n");

		pr_smb(PR_STATUS, "USB supply not found, deferring probe\n");

		return -EPROBE_DEFER;

	}