extcon pull request targetting Linux 3.8 for Greg KH on 2012.11.22

This is based on Linux 3.7 rc6 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJQra3OAAoJEBOhurvWBoCKtT8P/2oQ/lB5S7Snh5LkoB7OUvmT pczaGGjX9ZWkrTUanuRaB2Ye3I/ctAZ7Nhg0YLPJLUZWR9AjqhzuF06LIcr26W7N DkVtqiURbV64b4QMYXssLS7B6YfgC7iEEwF/yf35j3HlerDG33veth98nnhHeLA5 tLUMTtGdpMelZP2D0533Hihyu5ndl1gH1l6Qhy8Aqel2WJMqx1oZgexIRNpwUjuH hN1WkQH3hvrsVwDENX25nVMx3PvgngPb0006dZDtBkuHI/z0TvW7iyIOc5db/FfG TBZHcSciDjSTkYURu1mn60fmXdrAXWHpGCVx1ikiWQ8xQiXj3ctaxUDWJP9ZbxNb T4KPk5DxGg0f0OctjORRV+Q6KV0YH9d+Gig6O9AHOC8VK8LQQaGv3Mgq0PBGHW+D 6XmtIud142VHgHqHlGMB6MLl2dno3s2mtu0Ckb79s8nMMEhzRCgY/aBc5AW3wFvz eGEK+X82BrSEAc4w2NiwhpqUti7W4KgQiw1S9UivEFGzqUcXX90aXFpz6SghEThd h5h0apoAurWorwETF8Smh2Gtp0ZBuDEgX7acWeICbnp+/Pn00rC5LNUhgd0WDHJS kkVq8LXW1W+VvcMZqlBRmC2x+UC0zWqnzevbyYFnXB5xxwk12ud6K1DVHUO7CWrv 0izBUP5SwLSSCp+SAe+t =/KTt -----END PGP SIGNATURE----- Merge tag 'pull_req_20121122' of git://git.kernel.org/pub/scm/linux/kernel/git/mzx/extcon into char-misc-next MyungJoo writes: "extcon pull request targetting Linux 3.8 for Greg KH on 2012.11.22 This is based on Linux 3.7 rc6"
2012-11-27 06:44:10 -08:00 · 2012-11-27 06:44:10 -08:00 · 962b686c45
commit 962b686c45
parent 70e78c40ed df072eb97d
5 changed files with 56 additions and 61 deletions
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@ -166,6 +166,7 @@ static irqreturn_t arizona_micdet(int irq, void *data)
 	ret = regmap_read(arizona->regmap, ARIZONA_MIC_DETECT_3, &val);
 	if (ret != 0) {
 		dev_err(arizona->dev, "Failed to read MICDET: %d\n", ret);
+		mutex_unlock(&info->lock);
 		return IRQ_NONE;
 	}

--- a/drivers/extcon/extcon-class.c
+++ b/drivers/extcon/extcon-class.c
@ -472,7 +472,7 @@ int extcon_register_interest(struct extcon_specific_cable_nb *obj,

 		obj->cable_index = extcon_find_cable_index(obj->edev, cable_name);
 		if (obj->cable_index < 0)
-			return -ENODEV;
+			return obj->cable_index;

 		obj->user_nb = nb;

--- a/drivers/extcon/extcon-max77693.c
+++ b/drivers/extcon/extcon-max77693.c
@ -657,17 +657,17 @@ static int max77693_muic_probe(struct platform_device *pdev)
 	int ret, i;
 	u8 id;

-	info = kzalloc(sizeof(struct max77693_muic_info), GFP_KERNEL);
+	info = devm_kzalloc(&pdev->dev, sizeof(struct max77693_muic_info),
+				   GFP_KERNEL);
 	if (!info) {
 		dev_err(&pdev->dev, "failed to allocate memory\n");
-		ret = -ENOMEM;
-		goto err_kfree;
+		return -ENOMEM;
 	}
 	info->dev = &pdev->dev;
 	info->max77693 = max77693;
-	if (info->max77693->regmap_muic)
+	if (info->max77693->regmap_muic) {
 		dev_dbg(&pdev->dev, "allocate register map\n");
-	else {
+	} else {
 		info->max77693->regmap_muic = devm_regmap_init_i2c(
 						info->max77693->muic,
 						&max77693_muic_regmap_config);
@ -675,7 +675,7 @@ static int max77693_muic_probe(struct platform_device *pdev)
 			ret = PTR_ERR(info->max77693->regmap_muic);
 			dev_err(max77693->dev,
 				"failed to allocate register map: %d\n", ret);
-			goto err_regmap;
+			return ret;
 		}
 	}
 	platform_set_drvdata(pdev, info);
@ -686,11 +686,13 @@ static int max77693_muic_probe(struct platform_device *pdev)
 	/* Support irq domain for MAX77693 MUIC device */
 	for (i = 0; i < ARRAY_SIZE(muic_irqs); i++) {
 		struct max77693_muic_irq *muic_irq = &muic_irqs[i];
-		int virq = 0;
+		unsigned int virq = 0;

 		virq = irq_create_mapping(max77693->irq_domain, muic_irq->irq);
-		if (!virq)
+		if (!virq) {
+			ret = -EINVAL;
 			goto err_irq;
+		}
 		muic_irq->virq = virq;

 		ret = request_threaded_irq(virq, NULL,
@ -702,14 +704,13 @@ static int max77693_muic_probe(struct platform_device *pdev)
 				" error :%d)\n",
 				muic_irq->irq, ret);

-			for (i = i - 1; i >= 0; i--)
-				free_irq(muic_irq->virq, info);
 			goto err_irq;
 		}
 	}

 	/* Initialize extcon device */
-	info->edev = kzalloc(sizeof(struct extcon_dev), GFP_KERNEL);
+	info->edev = devm_kzalloc(&pdev->dev, sizeof(struct extcon_dev),
+				  GFP_KERNEL);
 	if (!info->edev) {
 		dev_err(&pdev->dev, "failed to allocate memory for extcon\n");
 		ret = -ENOMEM;
@ -720,7 +721,7 @@ static int max77693_muic_probe(struct platform_device *pdev)
 	ret = extcon_dev_register(info->edev, NULL);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to register extcon device\n");
-		goto err_extcon;
+		goto err_irq;
 	}

 	/* Initialize MUIC register by using platform data */
@ -753,7 +754,7 @@ static int max77693_muic_probe(struct platform_device *pdev)
 			MAX77693_MUIC_REG_ID, &id);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "failed to read revision number\n");
-		goto err_extcon;
+		goto err_irq;
 	}
 	dev_info(info->dev, "device ID : 0x%x\n", id);

@ -765,12 +766,9 @@ static int max77693_muic_probe(struct platform_device *pdev)

 	return ret;

-err_extcon:
-	kfree(info->edev);
 err_irq:
-err_regmap:
-	kfree(info);
-err_kfree:
+	while (--i >= 0)
+		free_irq(muic_irqs[i].virq, info);
 	return ret;
 }

@ -783,8 +781,6 @@ static int max77693_muic_remove(struct platform_device *pdev)
 		free_irq(muic_irqs[i].virq, info);
 	cancel_work_sync(&info->irq_work);
 	extcon_dev_unregister(info->edev);
-	kfree(info->edev);
-	kfree(info);

 	return 0;
 }
--- a/drivers/extcon/extcon-max8997.c
+++ b/drivers/extcon/extcon-max8997.c
@ -1,7 +1,7 @@
 /*
 * extcon-max8997.c - MAX8997 extcon driver to support MAX8997 MUIC
 *
- *  Copyright (C) 2012 Samsung Electrnoics
+ *  Copyright (C) 2012 Samsung Electronics
 *  Donggeun Kim <dg77.kim@samsung.com>
 *
 * This program is free software; you can redistribute it and/or modify
@ -433,11 +433,11 @@ static int max8997_muic_probe(struct platform_device *pdev)
 	struct max8997_muic_info *info;
 	int ret, i;

-	info = kzalloc(sizeof(struct max8997_muic_info), GFP_KERNEL);
+	info = devm_kzalloc(&pdev->dev, sizeof(struct max8997_muic_info),
+			    GFP_KERNEL);
 	if (!info) {
 		dev_err(&pdev->dev, "failed to allocate memory\n");
-		ret = -ENOMEM;
-		goto err_kfree;
+		return -ENOMEM;
 	}

 	info->dev = &pdev->dev;
@ -450,14 +450,16 @@ static int max8997_muic_probe(struct platform_device *pdev)

 	for (i = 0; i < ARRAY_SIZE(muic_irqs); i++) {
 		struct max8997_muic_irq *muic_irq = &muic_irqs[i];
-		int virq = 0;
+		unsigned int virq = 0;

 		virq = irq_create_mapping(max8997->irq_domain, muic_irq->irq);
-		if (!virq)
+		if (!virq) {
+			ret = -EINVAL;
 			goto err_irq;
+		}
 		muic_irq->virq = virq;

-		ret = request_threaded_irq(virq, NULL,max8997_muic_irq_handler,
+		ret = request_threaded_irq(virq, NULL, max8997_muic_irq_handler,
 				0, muic_irq->name, info);
 		if (ret) {
 			dev_err(&pdev->dev,
@ -469,7 +471,8 @@ static int max8997_muic_probe(struct platform_device *pdev)
 	}

 	/* External connector */
-	info->edev = kzalloc(sizeof(struct extcon_dev), GFP_KERNEL);
+	info->edev = devm_kzalloc(&pdev->dev, sizeof(struct extcon_dev),
+				  GFP_KERNEL);
 	if (!info->edev) {
 		dev_err(&pdev->dev, "failed to allocate memory for extcon\n");
 		ret = -ENOMEM;
@ -480,7 +483,7 @@ static int max8997_muic_probe(struct platform_device *pdev)
 	ret = extcon_dev_register(info->edev, NULL);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to register extcon device\n");
-		goto err_extcon;
+		goto err_irq;
 	}

 	/* Initialize registers according to platform data */
@ -498,13 +501,9 @@ static int max8997_muic_probe(struct platform_device *pdev)

 	return ret;

-err_extcon:
-	kfree(info->edev);
 err_irq:
 	while (--i >= 0)
 		free_irq(muic_irqs[i].virq, info);
-	kfree(info);
-err_kfree:
 	return ret;
 }

@ -519,9 +518,6 @@ static int max8997_muic_remove(struct platform_device *pdev)

 	extcon_dev_unregister(info->edev);

-	kfree(info->edev);
-	kfree(info);
-
 	return 0;
 }

--- a/include/linux/extcon.h
+++ b/include/linux/extcon.h
@ -23,7 +23,9 @@
 #ifndef __LINUX_EXTCON_H__
 #define __LINUX_EXTCON_H__

+#include <linux/device.h>
 #include <linux/notifier.h>
+#include <linux/sysfs.h>

 #define SUPPORTED_CABLE_MAX	32
 #define CABLE_NAME_MAX		30
@ -74,12 +76,12 @@ struct extcon_cable;

 /**
 * struct extcon_dev - An extcon device represents one external connector.
- * @name	The name of this extcon device. Parent device name is used
+ * @name:	The name of this extcon device. Parent device name is used
 *		if NULL.
- * @supported_cable	Array of supported cable names ending with NULL.
+ * @supported_cable:	Array of supported cable names ending with NULL.
 *			If supported_cable is NULL, cable name related APIs
 *			are disabled.
- * @mutually_exclusive	Array of mutually exclusive set of cables that cannot
+ * @mutually_exclusive:	Array of mutually exclusive set of cables that cannot
 *			be attached simultaneously. The array should be
 *			ending with NULL or be NULL (no mutually exclusive
 *			cables). For example, if it is { 0x7, 0x30, 0}, then,
@ -87,21 +89,21 @@ struct extcon_cable;
 *			be attached simulataneously. {0x7, 0} is equivalent to
 *			{0x3, 0x6, 0x5, 0}. If it is {0xFFFFFFFF, 0}, there
 *			can be no simultaneous connections.
- * @print_name	An optional callback to override the method to print the
+ * @print_name:	An optional callback to override the method to print the
 *		name of the extcon device.
- * @print_state	An optional callback to override the method to print the
+ * @print_state:	An optional callback to override the method to print the
 *		status of the extcon device.
- * @dev		Device of this extcon. Do not provide at register-time.
- * @state	Attach/detach state of this extcon. Do not provide at
+ * @dev:	Device of this extcon. Do not provide at register-time.
+ * @state:	Attach/detach state of this extcon. Do not provide at
 *		register-time
- * @nh	Notifier for the state change events from this extcon
- * @entry	To support list of extcon devices so that users can search
+ * @nh:	Notifier for the state change events from this extcon
+ * @entry:	To support list of extcon devices so that users can search
 *		for extcon devices based on the extcon name.
- * @lock
- * @max_supported	Internal value to store the number of cables.
- * @extcon_dev_type	Device_type struct to provide attribute_groups
+ * @lock:
+ * @max_supported:	Internal value to store the number of cables.
+ * @extcon_dev_type:	Device_type struct to provide attribute_groups
 *			customized for each extcon device.
- * @cables	Sysfs subdirectories. Each represents one cable.
+ * @cables:	Sysfs subdirectories. Each represents one cable.
 *
 * In most cases, users only need to provide "User initializing data" of
 * this struct when registering an extcon. In some exceptional cases,
@ -137,12 +139,12 @@ struct extcon_dev {

 /**
 * struct extcon_cable	- An internal data for each cable of extcon device.
- * @edev	The extcon device
- * @cable_index	Index of this cable in the edev
- * @attr_g	Attribute group for the cable
- * @attr_name	"name" sysfs entry
- * @attr_state	"state" sysfs entry
- * @attrs	Array pointing to attr_name and attr_state for attr_g
+ * @edev:	The extcon device
+ * @cable_index:	Index of this cable in the edev
+ * @attr_g:	Attribute group for the cable
+ * @attr_name:	"name" sysfs entry
+ * @attr_state:	"state" sysfs entry
+ * @attrs:	Array pointing to attr_name and attr_state for attr_g
 */
 struct extcon_cable {
 	struct extcon_dev *edev;
@ -158,11 +160,11 @@ struct extcon_cable {
 /**
 * struct extcon_specific_cable_nb - An internal data for
 *				extcon_register_interest().
- * @internal_nb	a notifier block bridging extcon notifier and cable notifier.
- * @user_nb	user provided notifier block for events from a specific cable.
- * @cable_index	the target cable.
- * @edev	the target extcon device.
- * @previous_value	the saved previous event value.
+ * @internal_nb:	a notifier block bridging extcon notifier and cable notifier.
+ * @user_nb:	user provided notifier block for events from a specific cable.
+ * @cable_index:	the target cable.
+ * @edev:	the target extcon device.
+ * @previous_value:	the saved previous event value.
 */
 struct extcon_specific_cable_nb {
 	struct notifier_block internal_nb;