--- zzzz-none-000/linux-3.10.107/drivers/misc/bh1770glc.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/misc/bh1770glc.c	2021-02-04 17:41:59.000000000 +0000
@@ -651,8 +651,9 @@
 	unsigned long value;
 	ssize_t ret;
 
-	if (strict_strtoul(buf, 0, &value))
-		return -EINVAL;
+	ret = kstrtoul(buf, 0, &value);
+	if (ret)
+		return ret;
 
 	mutex_lock(&chip->mutex);
 	if (value) {
@@ -726,9 +727,11 @@
 {
 	struct bh1770_chip *chip =  dev_get_drvdata(dev);
 	unsigned long value;
+	int ret;
 
-	if (strict_strtoul(buf, 0, &value))
-		return -EINVAL;
+	ret = kstrtoul(buf, 0, &value);
+	if (ret)
+		return ret;
 
 	mutex_lock(&chip->mutex);
 	/* Assume no proximity. Sensor will tell real state soon */
@@ -824,9 +827,11 @@
 {
 	struct bh1770_chip *chip =  dev_get_drvdata(dev);
 	unsigned long value;
+	int ret;
 
-	if (strict_strtoul(buf, 0, &value))
-		return -EINVAL;
+	ret = kstrtoul(buf, 0, &value);
+	if (ret)
+		return ret;
 
 	mutex_lock(&chip->mutex);
 	chip->prox_rate_threshold = bh1770_prox_rate_validate(value);
@@ -840,9 +845,11 @@
 {
 	struct bh1770_chip *chip =  dev_get_drvdata(dev);
 	unsigned long value;
+	int ret;
 
-	if (strict_strtoul(buf, 0, &value))
-		return -EINVAL;
+	ret = kstrtoul(buf, 0, &value);
+	if (ret)
+		return ret;
 
 	mutex_lock(&chip->mutex);
 	chip->prox_rate = bh1770_prox_rate_validate(value);
@@ -865,8 +872,10 @@
 	unsigned long value;
 	int ret;
 
-	if (strict_strtoul(buf, 0, &value))
-		return -EINVAL;
+	ret = kstrtoul(buf, 0, &value);
+	if (ret)
+		return ret;
+
 	if (value > BH1770_PROX_RANGE)
 		return -EINVAL;
 
@@ -893,9 +902,11 @@
 {
 	struct bh1770_chip *chip = dev_get_drvdata(dev);
 	unsigned long value;
+	int ret;
 
-	if (strict_strtoul(buf, 0, &value))
-		return -EINVAL;
+	ret = kstrtoul(buf, 0, &value);
+	if (ret)
+		return ret;
 
 	if (value > BH1770_PROX_MAX_PERSISTENCE)
 		return -EINVAL;
@@ -918,9 +929,11 @@
 {
 	struct bh1770_chip *chip = dev_get_drvdata(dev);
 	unsigned long value;
+	int ret;
 
-	if (strict_strtoul(buf, 0, &value))
-		return -EINVAL;
+	ret = kstrtoul(buf, 0, &value);
+	if (ret)
+		return ret;
 
 	if (value > BH1770_PROX_RANGE)
 		return -EINVAL;
@@ -963,9 +976,11 @@
 	unsigned long value;
 	u32 old_calib;
 	u32 new_corr;
+	int ret;
 
-	if (strict_strtoul(buf, 0, &value))
-		return -EINVAL;
+	ret = kstrtoul(buf, 0, &value);
+	if (ret)
+		return ret;
 
 	mutex_lock(&chip->mutex);
 	old_calib = chip->lux_calib;
@@ -1012,8 +1027,9 @@
 	unsigned long rate_hz;
 	int ret, i;
 
-	if (strict_strtoul(buf, 0, &rate_hz))
-		return -EINVAL;
+	ret = kstrtoul(buf, 0, &rate_hz);
+	if (ret)
+		return ret;
 
 	for (i = 0; i < ARRAY_SIZE(lux_rates_hz) - 1; i++)
 		if (rate_hz >= lux_rates_hz[i])
@@ -1047,11 +1063,12 @@
 static ssize_t bh1770_set_lux_thresh(struct bh1770_chip *chip, u16 *target,
 				const char *buf)
 {
-	int ret = 0;
 	unsigned long thresh;
+	int ret;
 
-	if (strict_strtoul(buf, 0, &thresh))
-		return -EINVAL;
+	ret = kstrtoul(buf, 0, &thresh);
+	if (ret)
+		return ret;
 
 	if (thresh > BH1770_LUX_RANGE)
 		return -EINVAL;
@@ -1168,7 +1185,7 @@
 	struct bh1770_chip *chip;
 	int err;
 
-	chip = kzalloc(sizeof *chip, GFP_KERNEL);
+	chip = devm_kzalloc(&client->dev, sizeof *chip, GFP_KERNEL);
 	if (!chip)
 		return -ENOMEM;
 
@@ -1181,8 +1198,7 @@
 
 	if (client->dev.platform_data == NULL) {
 		dev_err(&client->dev, "platform data is mandatory\n");
-		err = -EINVAL;
-		goto fail1;
+		return -EINVAL;
 	}
 
 	chip->pdata		= client->dev.platform_data;
@@ -1207,24 +1223,24 @@
 	chip->regs[0].supply = reg_vcc;
 	chip->regs[1].supply = reg_vleds;
 
-	err = regulator_bulk_get(&client->dev,
-				 ARRAY_SIZE(chip->regs), chip->regs);
+	err = devm_regulator_bulk_get(&client->dev,
+				      ARRAY_SIZE(chip->regs), chip->regs);
 	if (err < 0) {
 		dev_err(&client->dev, "Cannot get regulators\n");
-		goto fail1;
+		return err;
 	}
 
 	err = regulator_bulk_enable(ARRAY_SIZE(chip->regs),
 				chip->regs);
 	if (err < 0) {
 		dev_err(&client->dev, "Cannot enable regulators\n");
-		goto fail2;
+		return err;
 	}
 
 	usleep_range(BH1770_STARTUP_DELAY, BH1770_STARTUP_DELAY * 2);
 	err = bh1770_detect(chip);
 	if (err < 0)
-		goto fail3;
+		goto fail0;
 
 	/* Start chip */
 	bh1770_chip_on(chip);
@@ -1235,14 +1251,14 @@
 	if (chip->lux_corr == 0) {
 		dev_err(&client->dev, "Improper correction values\n");
 		err = -EINVAL;
-		goto fail3;
+		goto fail0;
 	}
 
 	if (chip->pdata->setup_resources) {
 		err = chip->pdata->setup_resources();
 		if (err) {
 			err = -EINVAL;
-			goto fail3;
+			goto fail0;
 		}
 	}
 
@@ -1250,7 +1266,7 @@
 				&bh1770_attribute_group);
 	if (err < 0) {
 		dev_err(&chip->client->dev, "Sysfs registration failed\n");
-		goto fail4;
+		goto fail1;
 	}
 
 	/*
@@ -1266,22 +1282,18 @@
 	if (err) {
 		dev_err(&client->dev, "could not get IRQ %d\n",
 			client->irq);
-		goto fail5;
+		goto fail2;
 	}
 	regulator_bulk_disable(ARRAY_SIZE(chip->regs), chip->regs);
 	return err;
-fail5:
+fail2:
 	sysfs_remove_group(&chip->client->dev.kobj,
 			&bh1770_attribute_group);
-fail4:
+fail1:
 	if (chip->pdata->release_resources)
 		chip->pdata->release_resources();
-fail3:
+fail0:
 	regulator_bulk_disable(ARRAY_SIZE(chip->regs), chip->regs);
-fail2:
-	regulator_bulk_free(ARRAY_SIZE(chip->regs), chip->regs);
-fail1:
-	kfree(chip);
 	return err;
 }
 
@@ -1305,8 +1317,6 @@
 	pm_runtime_disable(&client->dev);
 	pm_runtime_set_suspended(&client->dev);
 
-	regulator_bulk_free(ARRAY_SIZE(chip->regs), chip->regs);
-	kfree(chip);
 	return 0;
 }
 
@@ -1348,7 +1358,7 @@
 }
 #endif
 
-#ifdef CONFIG_PM_RUNTIME
+#ifdef CONFIG_PM
 static int bh1770_runtime_suspend(struct device *dev)
 {
 	struct i2c_client *client = container_of(dev, struct i2c_client, dev);
@@ -1386,7 +1396,6 @@
 static struct i2c_driver bh1770_driver = {
 	.driver	 = {
 		.name	= "bh1770glc",
-		.owner	= THIS_MODULE,
 		.pm	= &bh1770_pm_ops,
 	},
 	.probe	  = bh1770_probe,