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Date: Mon, 21 Apr 2014 18:36:23 +0900
From: Chanwoo Choi <cw00.choi@...sung.com>
To: linux-kernel@...r.kernel.org
Cc: myungjoo.ham@...sung.com, gg@...mlogic.co.uk, kishon@...com,
balbi@...com, ckeepax@...nsource.wolfsonmicro.com,
broonie@...nel.org, k.kozlowski@...sung.com,
kyungmin.park@...sung.com, sangjung.woo@...sung.com,
Chanwoo Choi <cw00.choi@...sung.com>,
Samuel Ortiz <sameo@...ux.intel.com>,
Lee Jones <lee.jones@...aro.org>
Subject: [PATCH 6/9] extcon: palmas: Use devm_extcon_dev_allocate for extcon_dev
This patch use devm_extcon_dev_allocate() to simplify the memory control
of extcon device.
Cc: Graeme Gregory <gg@...mlogic.co.uk>
Cc: Kishon Vijay Abraham I <kishon@...com>
Cc: Felipe Balbi <balbi@...com>
Cc: Samuel Ortiz <sameo@...ux.intel.com>
Cc: Lee Jones <lee.jones@...aro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
---
drivers/extcon/extcon-palmas.c | 37 +++++++++++++++++++++----------------
include/linux/mfd/palmas.h | 2 +-
2 files changed, 22 insertions(+), 17 deletions(-)
diff --git a/drivers/extcon/extcon-palmas.c b/drivers/extcon/extcon-palmas.c
index 51db5bc..0b67a63f 100644
--- a/drivers/extcon/extcon-palmas.c
+++ b/drivers/extcon/extcon-palmas.c
@@ -57,7 +57,7 @@ static irqreturn_t palmas_vbus_irq_handler(int irq, void *_palmas_usb)
if (vbus_line_state & PALMAS_INT3_LINE_STATE_VBUS) {
if (palmas_usb->linkstat != PALMAS_USB_STATE_VBUS) {
palmas_usb->linkstat = PALMAS_USB_STATE_VBUS;
- extcon_set_cable_state(&palmas_usb->edev, "USB", true);
+ extcon_set_cable_state(palmas_usb->edev, "USB", true);
dev_info(palmas_usb->dev, "USB cable is attached\n");
} else {
dev_dbg(palmas_usb->dev,
@@ -66,7 +66,7 @@ static irqreturn_t palmas_vbus_irq_handler(int irq, void *_palmas_usb)
} else if (!(vbus_line_state & PALMAS_INT3_LINE_STATE_VBUS)) {
if (palmas_usb->linkstat == PALMAS_USB_STATE_VBUS) {
palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT;
- extcon_set_cable_state(&palmas_usb->edev, "USB", false);
+ extcon_set_cable_state(palmas_usb->edev, "USB", false);
dev_info(palmas_usb->dev, "USB cable is detached\n");
} else {
dev_dbg(palmas_usb->dev,
@@ -93,7 +93,7 @@ static irqreturn_t palmas_id_irq_handler(int irq, void *_palmas_usb)
PALMAS_USB_ID_INT_LATCH_CLR,
PALMAS_USB_ID_INT_EN_HI_CLR_ID_GND);
palmas_usb->linkstat = PALMAS_USB_STATE_ID;
- extcon_set_cable_state(&palmas_usb->edev, "USB-HOST", true);
+ extcon_set_cable_state(palmas_usb->edev, "USB-HOST", true);
dev_info(palmas_usb->dev, "USB-HOST cable is attached\n");
} else if ((set & PALMAS_USB_ID_INT_SRC_ID_FLOAT) &&
(id_src & PALMAS_USB_ID_INT_SRC_ID_FLOAT)) {
@@ -101,17 +101,17 @@ static irqreturn_t palmas_id_irq_handler(int irq, void *_palmas_usb)
PALMAS_USB_ID_INT_LATCH_CLR,
PALMAS_USB_ID_INT_EN_HI_CLR_ID_FLOAT);
palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT;
- extcon_set_cable_state(&palmas_usb->edev, "USB-HOST", false);
+ extcon_set_cable_state(palmas_usb->edev, "USB-HOST", false);
dev_info(palmas_usb->dev, "USB-HOST cable is detached\n");
} else if ((palmas_usb->linkstat == PALMAS_USB_STATE_ID) &&
(!(set & PALMAS_USB_ID_INT_SRC_ID_GND))) {
palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT;
- extcon_set_cable_state(&palmas_usb->edev, "USB-HOST", false);
+ extcon_set_cable_state(palmas_usb->edev, "USB-HOST", false);
dev_info(palmas_usb->dev, "USB-HOST cable is detached\n");
} else if ((palmas_usb->linkstat == PALMAS_USB_STATE_DISCONNECT) &&
(id_src & PALMAS_USB_ID_INT_SRC_ID_GND)) {
palmas_usb->linkstat = PALMAS_USB_STATE_ID;
- extcon_set_cable_state(&palmas_usb->edev, "USB-HOST", true);
+ extcon_set_cable_state(palmas_usb->edev, "USB-HOST", true);
dev_info(palmas_usb->dev, " USB-HOST cable is attached\n");
}
@@ -187,15 +187,20 @@ static int palmas_usb_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, palmas_usb);
- palmas_usb->edev.supported_cable = palmas_extcon_cable;
- palmas_usb->edev.dev.parent = palmas_usb->dev;
- palmas_usb->edev.name = kstrdup(node->name, GFP_KERNEL);
- palmas_usb->edev.mutually_exclusive = mutually_exclusive;
+ palmas_usb->edev = devm_extcon_dev_allocate(&pdev->dev,
+ palmas_extcon_cable);
+ if (!palmas_usb->edev) {
+ dev_err(&pdev->dev, "failed to allocate extcon device\n");
+ return -ENOMEM;
+ }
+ palmas_usb->edev->name = kstrdup(node->name, GFP_KERNEL);
+ palmas_usb->edev->dev.parent = palmas_usb->dev;
+ palmas_usb->edev->mutually_exclusive = mutually_exclusive;
- status = extcon_dev_register(&palmas_usb->edev);
+ status = extcon_dev_register(palmas_usb->edev);
if (status) {
dev_err(&pdev->dev, "failed to register extcon device\n");
- kfree(palmas_usb->edev.name);
+ kfree(palmas_usb->edev->name);
return status;
}
@@ -232,8 +237,8 @@ static int palmas_usb_probe(struct platform_device *pdev)
return 0;
fail_extcon:
- extcon_dev_unregister(&palmas_usb->edev);
- kfree(palmas_usb->edev.name);
+ extcon_dev_unregister(palmas_usb->edev);
+ kfree(palmas_usb->edev->name);
return status;
}
@@ -242,8 +247,8 @@ static int palmas_usb_remove(struct platform_device *pdev)
{
struct palmas_usb *palmas_usb = platform_get_drvdata(pdev);
- extcon_dev_unregister(&palmas_usb->edev);
- kfree(palmas_usb->edev.name);
+ extcon_dev_unregister(palmas_usb->edev);
+ kfree(palmas_usb->edev->name);
return 0;
}
diff --git a/include/linux/mfd/palmas.h b/include/linux/mfd/palmas.h
index 9974e38..b8f87b7 100644
--- a/include/linux/mfd/palmas.h
+++ b/include/linux/mfd/palmas.h
@@ -415,7 +415,7 @@ struct palmas_usb {
struct palmas *palmas;
struct device *dev;
- struct extcon_dev edev;
+ struct extcon_dev *edev;
int id_otg_irq;
int id_irq;
--
1.8.0
--
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