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Date: Thu, 09 Jun 2016 10:18:01 +0900
From: Chanwoo Choi <cw00.choi@...sung.com>
To: sre@...nel.org, dbaryshkov@...il.com, dwmw2@...radead.org,
wens@...e.org
Cc: myungjoo.ham@...sung.com, linux-pm@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/2] power: axp288_charger: Replace deprecatd API of
extcon
Ping.
Hi Sebastian,
This patch just remove the deprecated extcon API without any improvement.
Could you just review this patch?
Thanks,
Chanwoo Choi
On 2016년 05월 31일 18:34, Chanwoo Choi wrote:
> This patch removes the deprecated notifier API of extcon framework and then use
> the new extcon API[2] with the unique id[1] to indicate the each external
> connector. Alter deprecated API as following:
> - extcon_register_interest() -> extcon_register_notifier()
> - extcon_unregister_interest() -> extcon_unregister_notifier()
> - extcon_get_cable_state() -> extcon_get_cable_state_()
>
> And, extcon alters the name of USB charger connector in patch[3] as following:
> - EXTCON_CHG_USB_SDP /* Standard Downstream Port */
> - EXTCON_CHG_USB_DCP /* Dedicated Charging Port */
> - EXTCON_CHG_USB_CDP /* Charging Downstream Port */
> - EXTCON_CHG_USB_ACA /* Accessory Charger Adapter */
>
> [1] Commit 2a9de9c0f08d61
> - ("extcon: Use the unique id for external connector instead of string)
> [2] Commit 046050f6e623e4
> - ("extcon: Update the prototype of extcon_register_notifier() with enum extcon
> [3] Commit 11eecf910bd81d
> - ("extcon: Modify the id and name of external connector")
>
> Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
> ---
> drivers/power/axp288_charger.c | 77 +++++++++++++++++++++++++++++-------------
> 1 file changed, 53 insertions(+), 24 deletions(-)
>
> diff --git a/drivers/power/axp288_charger.c b/drivers/power/axp288_charger.c
> index e4d569f57acc..4030eeb7cf65 100644
> --- a/drivers/power/axp288_charger.c
> +++ b/drivers/power/axp288_charger.c
> @@ -129,10 +129,6 @@
>
> #define AXP288_EXTCON_DEV_NAME "axp288_extcon"
>
> -#define AXP288_EXTCON_SLOW_CHARGER "SLOW-CHARGER"
> -#define AXP288_EXTCON_DOWNSTREAM_CHARGER "CHARGE-DOWNSTREAM"
> -#define AXP288_EXTCON_FAST_CHARGER "FAST-CHARGER"
> -
> enum {
> VBUS_OV_IRQ = 0,
> CHARGE_DONE_IRQ,
> @@ -158,7 +154,7 @@ struct axp288_chrg_info {
> /* OTG/Host mode */
> struct {
> struct work_struct work;
> - struct extcon_specific_cable_nb cable;
> + struct extcon_dev *cable;
> struct notifier_block id_nb;
> bool id_short;
> } otg;
> @@ -586,17 +582,15 @@ 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, AXP288_EXTCON_SLOW_CHARGER) > 0) {
> + if (extcon_get_cable_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,
> - AXP288_EXTCON_DOWNSTREAM_CHARGER) > 0) {
> + } else if (extcon_get_cable_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,
> - AXP288_EXTCON_FAST_CHARGER) > 0) {
> + } else if (extcon_get_cable_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;
> @@ -692,8 +686,8 @@ 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 = param;
> - int usb_host = extcon_get_cable_state(edev, "USB-Host");
> + struct extcon_dev *edev = info->otg.cable;
> + int usb_host = extcon_get_cable_state_(edev, EXTCON_USB_HOST);
>
> dev_dbg(&info->pdev->dev, "external connector USB-Host is %s\n",
> usb_host ? "attached" : "detached");
> @@ -848,10 +842,33 @@ 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_NONE, &info->cable.nb);
> + ret = extcon_register_notifier(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);
> + 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);
> if (ret) {
> dev_err(&info->pdev->dev,
> - "failed to register extcon notifier %d\n", ret);
> + "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;
> }
>
> @@ -871,14 +888,14 @@ 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_interest(&info->otg.cable, NULL, "USB-Host",
> + ret = extcon_register_notifier(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.edev)
> - info->otg.id_short = extcon_get_cable_state(
> - info->otg.cable.edev, "USB-Host");
> + if (info->otg.cable)
> + info->otg.id_short = extcon_get_cable_state_(
> + info->otg.cable, EXTCON_USB_HOST);
>
> /* Register charger interrupts */
> for (i = 0; i < CHRG_INTR_END; i++) {
> @@ -905,11 +922,17 @@ static int axp288_charger_probe(struct platform_device *pdev)
> return 0;
>
> intr_reg_failed:
> - if (info->otg.cable.edev)
> - extcon_unregister_interest(&info->otg.cable);
> + 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_NONE, &info->cable.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);
> return ret;
> }
>
> @@ -917,10 +940,16 @@ static int axp288_charger_remove(struct platform_device *pdev)
> {
> struct axp288_chrg_info *info = dev_get_drvdata(&pdev->dev);
>
> - if (info->otg.cable.edev)
> - extcon_unregister_interest(&info->otg.cable);
> + if (info->otg.cable)
> + extcon_unregister_notifier(info->otg.cable, EXTCON_USB_HOST,
> + &info->otg.id_nb);
>
> - extcon_unregister_notifier(info->cable.edev, EXTCON_NONE, &info->cable.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;
>
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