Subject: [PATCH 03/12] power_supply: axp288_charger: Replace the extcon API

From: [email-masked] (Chanwoo Choi)
Date: Tue, 06 Dec 2016 09:26:14 +0900

Hi Sebastian,

Could you please review and pick the patch3/4 for power-supply driver?

Best Regards,
Chanwoo Choi

On 2016? 11? 30? 14:57, Chanwoo Choi wrote:
> This patch uses the resource-managed extcon API for extcon_register_notifier()
> and replaces the deprecated extcon API as following:
> - extcon_get_cable_state_() -> extcon_get_state()
> 
> Signed-off-by: Chanwoo Choi <[email-masked]>
> ---
>  drivers/power/supply/axp288_charger.c | 51 +++++++++--------------------------
>  1 file changed, 13 insertions(+), 38 deletions(-)
> 
> diff --git a/drivers/power/supply/axp288_charger.c b/drivers/power/supply/axp288_charger.c
> index 75b8e0c7402b..1115052e9a69 100644
> --- a/drivers/power/supply/axp288_charger.c
> +++ b/drivers/power/supply/axp288_charger.c
> @@ -581,15 +581,15 @@ static void axp288_charger_extcon_evt_worker(struct work_struct *work)
>  	bool old_connected = info->cable.connected;
>  
>  	/* Determine cable/charger type */
> -	if (extcon_get_cable_state_(edev, EXTCON_CHG_USB_SDP) > 0) {
> +	if (extcon_get_state(edev, EXTCON_CHG_USB_SDP) > 0) {
>  		dev_dbg(&info->pdev->dev, "USB SDP charger  is connected");
>  		info->cable.connected = true;
>  		info->cable.chg_type = POWER_SUPPLY_TYPE_USB;
> -	} else if (extcon_get_cable_state_(edev, EXTCON_CHG_USB_CDP) > 0) {
> +	} else if (extcon_get_state(edev, EXTCON_CHG_USB_CDP) > 0) {
>  		dev_dbg(&info->pdev->dev, "USB CDP charger is connected");
>  		info->cable.connected = true;
>  		info->cable.chg_type = POWER_SUPPLY_TYPE_USB_CDP;
> -	} else if (extcon_get_cable_state_(edev, EXTCON_CHG_USB_DCP) > 0) {
> +	} else if (extcon_get_state(edev, EXTCON_CHG_USB_DCP) > 0) {
>  		dev_dbg(&info->pdev->dev, "USB DCP charger is connected");
>  		info->cable.connected = true;
>  		info->cable.chg_type = POWER_SUPPLY_TYPE_USB_DCP;
> @@ -686,7 +686,7 @@ static int axp288_charger_handle_otg_evt(struct notifier_block *nb,
>  	struct axp288_chrg_info *info =
>  	    container_of(nb, struct axp288_chrg_info, otg.id_nb);
>  	struct extcon_dev *edev = info->otg.cable;
> -	int usb_host = extcon_get_cable_state_(edev, EXTCON_USB_HOST);
> +	int usb_host = extcon_get_state(edev, EXTCON_USB_HOST);
>  
>  	dev_dbg(&info->pdev->dev, "external connector USB-Host is %s\n",
>  				usb_host ? "attached" : "detached");
> @@ -841,33 +841,27 @@ static int axp288_charger_probe(struct platform_device *pdev)
>  	/* Register for extcon notification */
>  	INIT_WORK(&info->cable.work, axp288_charger_extcon_evt_worker);
>  	info->cable.nb.notifier_call = axp288_charger_handle_cable_evt;
> -	ret = extcon_register_notifier(info->cable.edev, EXTCON_CHG_USB_SDP,
> -					&info->cable.nb);
> +	ret = devm_extcon_register_notifier(&pdev->dev, info->cable.edev,
> +					EXTCON_CHG_USB_SDP, &info->cable.nb);
>  	if (ret) {
>  		dev_err(&info->pdev->dev,
>  			"failed to register extcon notifier for SDP %d\n", ret);
>  		return ret;
>  	}
>  
> -	ret = extcon_register_notifier(info->cable.edev, EXTCON_CHG_USB_CDP,
> -					&info->cable.nb);
> +	ret = devm_extcon_register_notifier(&pdev->dev, info->cable.edev,
> +					EXTCON_CHG_USB_CDP, &info->cable.nb);
>  	if (ret) {
>  		dev_err(&info->pdev->dev,
>  			"failed to register extcon notifier for CDP %d\n", ret);
> -		extcon_unregister_notifier(info->cable.edev,
> -				EXTCON_CHG_USB_SDP, &info->cable.nb);
>  		return ret;
>  	}
>  
> -	ret = extcon_register_notifier(info->cable.edev, EXTCON_CHG_USB_DCP,
> -					&info->cable.nb);
> +	ret = devm_extcon_register_notifier(&pdev->dev, info->cable.edev,
> +					EXTCON_CHG_USB_DCP, &info->cable.nb);
>  	if (ret) {
>  		dev_err(&info->pdev->dev,
>  			"failed to register extcon notifier for DCP %d\n", ret);
> -		extcon_unregister_notifier(info->cable.edev,
> -				EXTCON_CHG_USB_SDP, &info->cable.nb);
> -		extcon_unregister_notifier(info->cable.edev,
> -				EXTCON_CHG_USB_CDP, &info->cable.nb);
>  		return ret;
>  	}
>  
> @@ -887,13 +881,13 @@ static int axp288_charger_probe(struct platform_device *pdev)
>  	/* Register for OTG notification */
>  	INIT_WORK(&info->otg.work, axp288_charger_otg_evt_worker);
>  	info->otg.id_nb.notifier_call = axp288_charger_handle_otg_evt;
> -	ret = extcon_register_notifier(info->otg.cable, EXTCON_USB_HOST,
> -				       &info->otg.id_nb);
> +	ret = devm_extcon_register_notifier(&pdev->dev, info->otg.cable,
> +					EXTCON_USB_HOST, &info->otg.id_nb);
>  	if (ret)
>  		dev_warn(&pdev->dev, "failed to register otg notifier\n");
>  
>  	if (info->otg.cable)
> -		info->otg.id_short = extcon_get_cable_state_(
> +		info->otg.id_short = extcon_get_state(
>  					info->otg.cable, EXTCON_USB_HOST);
>  
>  	/* Register charger interrupts */
> @@ -921,17 +915,8 @@ static int axp288_charger_probe(struct platform_device *pdev)
>  	return 0;
>  
>  intr_reg_failed:
> -	if (info->otg.cable)
> -		extcon_unregister_notifier(info->otg.cable, EXTCON_USB_HOST,
> -					&info->otg.id_nb);
>  	power_supply_unregister(info->psy_usb);
>  psy_reg_failed:
> -	extcon_unregister_notifier(info->cable.edev, EXTCON_CHG_USB_SDP,
> -					&info->cable.nb);
> -	extcon_unregister_notifier(info->cable.edev, EXTCON_CHG_USB_CDP,
> -					&info->cable.nb);
> -	extcon_unregister_notifier(info->cable.edev, EXTCON_CHG_USB_DCP,
> -					&info->cable.nb);
>  	return ret;
>  }
>  
> @@ -939,16 +924,6 @@ static int axp288_charger_remove(struct platform_device *pdev)
>  {
>  	struct axp288_chrg_info *info =  dev_get_drvdata(&pdev->dev);
>  
> -	if (info->otg.cable)
> -		extcon_unregister_notifier(info->otg.cable, EXTCON_USB_HOST,
> -					&info->otg.id_nb);
> -
> -	extcon_unregister_notifier(info->cable.edev, EXTCON_CHG_USB_SDP,
> -					&info->cable.nb);
> -	extcon_unregister_notifier(info->cable.edev, EXTCON_CHG_USB_CDP,
> -					&info->cable.nb);
> -	extcon_unregister_notifier(info->cable.edev, EXTCON_CHG_USB_DCP,
> -					&info->cable.nb);
>  	power_supply_unregister(info->psy_usb);
>  
>  	return 0;
>