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Subject[PATCHv4 6/9] extcon: arizona: Use devm_extcon_dev_allocate for extcon_dev
Date
This patch use devm_extcon_dev_allocate() to simplify the memory control
of extcon device.

Cc: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: patches@opensource.wolfsonmicro.com
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
---
drivers/extcon/extcon-arizona.c | 30 +++++++++++++++++-------------
1 file changed, 17 insertions(+), 13 deletions(-)

diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index f63fa6f..6c84e3d 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -91,7 +91,7 @@ struct arizona_extcon_info {

int hpdet_ip;

- struct extcon_dev edev;
+ struct extcon_dev *edev;
};

static const struct arizona_micd_config micd_default_modes[] = {
@@ -546,7 +546,7 @@ static irqreturn_t arizona_hpdet_irq(int irq, void *data)
}

/* If the cable was removed while measuring ignore the result */
- ret = extcon_get_cable_state_(&info->edev, ARIZONA_CABLE_MECHANICAL);
+ ret = extcon_get_cable_state_(info->edev, ARIZONA_CABLE_MECHANICAL);
if (ret < 0) {
dev_err(arizona->dev, "Failed to check cable state: %d\n",
ret);
@@ -581,7 +581,7 @@ static irqreturn_t arizona_hpdet_irq(int irq, void *data)
else
report = ARIZONA_CABLE_HEADPHONE;

- ret = extcon_set_cable_state_(&info->edev, report, true);
+ ret = extcon_set_cable_state_(info->edev, report, true);
if (ret != 0)
dev_err(arizona->dev, "Failed to report HP/line: %d\n",
ret);
@@ -664,7 +664,7 @@ err:
ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC);

/* Just report headphone */
- ret = extcon_update_state(&info->edev,
+ ret = extcon_update_state(info->edev,
1 << ARIZONA_CABLE_HEADPHONE,
1 << ARIZONA_CABLE_HEADPHONE);
if (ret != 0)
@@ -723,7 +723,7 @@ err:
ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC);

/* Just report headphone */
- ret = extcon_update_state(&info->edev,
+ ret = extcon_update_state(info->edev,
1 << ARIZONA_CABLE_HEADPHONE,
1 << ARIZONA_CABLE_HEADPHONE);
if (ret != 0)
@@ -764,7 +764,7 @@ static void arizona_micd_detect(struct work_struct *work)
mutex_lock(&info->lock);

/* If the cable was removed while measuring ignore the result */
- ret = extcon_get_cable_state_(&info->edev, ARIZONA_CABLE_MECHANICAL);
+ ret = extcon_get_cable_state_(info->edev, ARIZONA_CABLE_MECHANICAL);
if (ret < 0) {
dev_err(arizona->dev, "Failed to check cable state: %d\n",
ret);
@@ -812,7 +812,7 @@ static void arizona_micd_detect(struct work_struct *work)
if (info->detecting && (val & ARIZONA_MICD_LVL_8)) {
arizona_identify_headphone(info);

- ret = extcon_update_state(&info->edev,
+ ret = extcon_update_state(info->edev,
1 << ARIZONA_CABLE_MICROPHONE,
1 << ARIZONA_CABLE_MICROPHONE);

@@ -999,7 +999,7 @@ static irqreturn_t arizona_jackdet(int irq, void *data)

if (info->last_jackdet == present) {
dev_dbg(arizona->dev, "Detected jack\n");
- ret = extcon_set_cable_state_(&info->edev,
+ ret = extcon_set_cable_state_(info->edev,
ARIZONA_CABLE_MECHANICAL, true);

if (ret != 0)
@@ -1038,7 +1038,7 @@ static irqreturn_t arizona_jackdet(int irq, void *data)
info->micd_ranges[i].key, 0);
input_sync(info->input);

- ret = extcon_update_state(&info->edev, 0xffffffff, 0);
+ ret = extcon_update_state(info->edev, 0xffffffff, 0);
if (ret != 0)
dev_err(arizona->dev, "Removal report failed: %d\n",
ret);
@@ -1150,11 +1150,15 @@ static int arizona_extcon_probe(struct platform_device *pdev)
break;
}

- info->edev.name = "Headset Jack";
- info->edev.dev.parent = arizona->dev;
- info->edev.supported_cable = arizona_cable;
+ info->edev = devm_extcon_dev_allocate(&pdev->dev, arizona_cable);
+ if (IS_ERR(info->edev)) {
+ dev_err(&pdev->dev, "failed to allocate extcon device\n");
+ return -ENOMEM;
+ }
+ info->edev->name = "Headset Jack";
+ info->edev->dev.parent = arizona->dev;

- ret = devm_extcon_dev_register(&pdev->dev, &info->edev);
+ ret = devm_extcon_dev_register(&pdev->dev, info->edev);
if (ret < 0) {
dev_err(arizona->dev, "extcon_dev_register() failed: %d\n",
ret);
--
1.8.0


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