Merge tag 'extcon-next-for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into usb-next

Chanwoo writes:

Update extcon for 4.13

Detailed description for this pull request:
- Use devm_kcalloc() and fix typo for extcon core/extcon-arizona.c.
- Add dependency ARCH_QCOM for extcon-qcom-spmi-misc.c
- Use resource-managed devm_* function for gpios on extcon-int3496.c

Author: gregkh

drivers/extcon/Kconfig

@@ -115,6 +115,7 @@ config EXTCON_PALMAS
 
 config EXTCON_QCOM_SPMI_MISC
 	tristate "Qualcomm USB extcon support"
+	depends on ARCH_QCOM || COMPILE_TEST
 	help
 	  Say Y here to enable SPMI PMIC based USB cable detection
 	  support on Qualcomm PMICs such as PM8941.

drivers/extcon/extcon-arizona.c

@@ -1271,9 +1271,7 @@ static int arizona_extcon_get_micd_configs(struct device *dev,
 		goto out;
 
 	nconfs /= entries_per_config;
-
-	micd_configs = devm_kzalloc(dev,
-				    nconfs * sizeof(struct arizona_micd_range),
+	micd_configs = devm_kcalloc(dev, nconfs, sizeof(*micd_configs),
 				    GFP_KERNEL);
 	if (!micd_configs) {
 		ret = -ENOMEM;

drivers/extcon/extcon-intel-int3496.c

@@ -94,8 +94,7 @@ static int int3496_probe(struct platform_device *pdev)
 	struct int3496_data *data;
 	int ret;
 
-	ret = acpi_dev_add_driver_gpios(ACPI_COMPANION(dev),
-					acpi_int3496_default_gpios);
+	ret = devm_acpi_dev_add_driver_gpios(dev, acpi_int3496_default_gpios);
 	if (ret) {
 		dev_err(dev, "can't add GPIO ACPI mapping\n");
 		return ret;
@@ -169,8 +168,6 @@ static int int3496_remove(struct platform_device *pdev)
 	devm_free_irq(&pdev->dev, data->usb_id_irq, data);
 	cancel_delayed_work_sync(&data->work);
 
-	acpi_dev_remove_driver_gpios(ACPI_COMPANION(&pdev->dev));
-
 	return 0;
 }
 

drivers/extcon/extcon.c

@@ -964,12 +964,12 @@ EXPORT_SYMBOL_GPL(extcon_unregister_notifier);
 
 /**
  * extcon_register_notifier_all() - Register a notifier block for all connectors
- * @edev:	the extcon device that has the external connecotr.
+ * @edev:	the extcon device that has the external connector.
  * @nb:		a notifier block to be registered.
  *
- * This fucntion registers a notifier block in order to receive the state
+ * This function registers a notifier block in order to receive the state
  * change of all supported external connectors from extcon device.
- * And The second parameter given to the callback of nb (val) is
+ * And the second parameter given to the callback of nb (val) is
  * the current state and third parameter is the edev pointer.
  *
  * Returns 0 if success or error number if fail
@@ -1252,9 +1252,8 @@ int extcon_dev_register(struct extcon_dev *edev)
 	}
 
 	spin_lock_init(&edev->lock);
-
-	edev->nh = devm_kzalloc(&edev->dev,
-			sizeof(*edev->nh) * edev->max_supported, GFP_KERNEL);
+	edev->nh = devm_kcalloc(&edev->dev, edev->max_supported,
+				sizeof(*edev->nh), GFP_KERNEL);
 	if (!edev->nh) {
 		ret = -ENOMEM;
 		goto err_dev;