msm: fix compiler errors/warnings in some drivers

fix compiler warnings/errors in some drivers.

Change-Id: Ibc47729b5c5b7c4277bd4666ec56fe8995548b88
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>

drivers/leds/leds-qpnp-flash.c

@@ -2341,6 +2341,7 @@ static int qpnp_flash_led_probe(struct platform_device *pdev)
 	int rc, i = 0, j, num_leds = 0;
 	u32 val;
 
+	root = NULL;
 	node = pdev->dev.of_node;
 	if (node == NULL) {
 		dev_info(&pdev->dev, "No flash device defined\n");

drivers/platform/msm/qpnp-haptic.c

@@ -1638,7 +1638,7 @@ static void qpnp_hap_worker(struct work_struct *work)
 	struct qpnp_hap *hap = container_of(work, struct qpnp_hap,
 					 work);
 	u8 val = 0x00;
-	int rc, reg_en;
+	int rc, reg_en = 0;
 
 	if (hap->vcc_pon) {
 		reg_en = regulator_enable(hap->vcc_pon);

drivers/power/pmic-voter.c

@@ -149,7 +149,8 @@ int get_effective_client_id_locked(struct votable *votable)
 
 int vote(struct votable *votable, int client_id, bool state, int val)
 {
-	int effective_id, effective_result;
+	int effective_id = - EINVAL;
+	int effective_result;
 	int rc = 0;
 
 	lock_votable(votable);

drivers/power/qpnp-fg.c

@@ -2503,9 +2503,7 @@ static int estimate_battery_age(struct fg_chip *chip, int *actual_capacity)
 	}
 
 	battery_soc = get_battery_soc_raw(chip) * 100 / FULL_PERCENT_3B;
-	if (rc) {
-		goto error_done;
-	} else if (battery_soc < 25 || battery_soc > 75) {
+	if (battery_soc < 25 || battery_soc > 75) {
 		if (fg_debug_mask & FG_AGING)
 			pr_info("Battery SoC (%d) out of range, aborting\n",
 					(int)battery_soc);
@@ -6115,7 +6113,6 @@ static int fg_hw_init(struct fg_chip *chip)
 static int fg_setup_memif_offset(struct fg_chip *chip)
 {
 	int rc;
-	u8 dig_major;
 
 	rc = fg_read(chip, chip->revision, chip->mem_base + DIG_MINOR, 4);
 	if (rc) {
@@ -6133,7 +6130,8 @@ static int fg_setup_memif_offset(struct fg_chip *chip)
 		chip->ima_supported = true;
 		break;
 	default:
-		pr_err("Digital Major rev=%d not supported\n", dig_major);
+		pr_err("Digital Major rev=%d not supported\n",
+				chip->revision[DIG_MAJOR]);
 		return -EINVAL;
 	}
 

drivers/power/qpnp-smbcharger.c

@@ -491,7 +491,7 @@ module_param_named(
 		if (smbchg_debug_mask & (reason))			\
 			pr_info_ratelimited(fmt, ##__VA_ARGS__);	\
 		else							\
-			pr_debug_ratelimited(fmt, ##__VA_ARGS__);	\
+			pr_debug(fmt, ##__VA_ARGS__);	\
 	} while (0)
 
 static int smbchg_read(struct smbchg_chip *chip, u8 *val,
@@ -4645,7 +4645,7 @@ static void handle_usb_insertion(struct smbchg_chip *chip)
 
 	if (parallel_psy) {
 		pval.intval = true;
-		power_supply_set_property(parallel_psy,
+		rc = power_supply_set_property(parallel_psy,
 				POWER_SUPPLY_PROP_PRESENT, &pval);
 		chip->parallel_charger_detected = rc ? false : true;
 		if (rc)
@@ -7860,6 +7860,7 @@ static int smbchg_probe(struct platform_device *pdev)
 		}
 	}
 
+	vadc_dev = NULL;
 	if (of_find_property(pdev->dev.of_node, "qcom,dcin-vadc", NULL)) {
 		vadc_dev = qpnp_get_vadc(&pdev->dev, "dcin");
 		if (IS_ERR(vadc_dev)) {
@@ -7872,6 +7873,7 @@ static int smbchg_probe(struct platform_device *pdev)
 		}
 	}
 
+	vchg_vadc_dev = NULL;
 	if (of_find_property(pdev->dev.of_node, "qcom,vchg_sns-vadc", NULL)) {
 		vchg_vadc_dev = qpnp_get_vadc(&pdev->dev, "vchg_sns");
 		if (IS_ERR(vchg_vadc_dev)) {

drivers/power/smb1351-charger.c

@@ -1773,7 +1773,7 @@ static void smb1351_chg_ctrl_in_jeita(struct smb1351_charger *chip)
 static void smb1351_chg_adc_notification(enum qpnp_tm_state state, void *ctx)
 {
 	struct smb1351_charger *chip = ctx;
-	struct battery_status *cur;
+	struct battery_status *cur = NULL;
 	int temp;
 
 	if (state >= ADC_TM_STATE_NUM) {
@@ -1828,7 +1828,6 @@ static void smb1351_chg_adc_notification(enum qpnp_tm_state state, void *ctx)
 			chip->adc_param.high_temp = chip->batt_cold_decidegc;
 			chip->adc_param.low_temp = chip->batt_missing_decidegc
 							- HYSTERESIS_DECIDEGC;
-
 		}
 	/* temp from high to low */
 	} else {

drivers/power/smb135x-charger.c

@@ -4358,7 +4358,7 @@ static int smb135x_parallel_charger_probe(struct i2c_client *client,
 			&parallel_psy_cfg);
 	if (IS_ERR(chip->parallel_psy)) {
 		dev_err(&client->dev,
-			"Unable to register parallel_psy rc = %d\n",
+			"Unable to register parallel_psy rc = %ld\n",
 			PTR_ERR(chip->parallel_psy));
 		return rc;
 	}

include/linux/power/qcom/apm.h

@@ -42,7 +42,7 @@ static inline struct msm_apm_ctrl_dev *msm_apm_ctrl_dev_get(struct device *dev)
 static inline int msm_apm_set_supply(struct msm_apm_ctrl_dev *ctrl_dev,
 		       enum msm_apm_supply supply)
 { return -EPERM; }
-static inline int msm_apm_get_supply(struct msm_apm_ctrl_dev *ctrl_dev);
+static inline int msm_apm_get_supply(struct msm_apm_ctrl_dev *ctrl_dev)
 { return -EPERM; }
 #endif
 #endif