From patchwork Mon Mar 8 08:42:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Vaittinen, Matti" X-Patchwork-Id: 12121785 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F53EC433E9 for ; Mon, 8 Mar 2021 08:43:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 03614651C2 for ; Mon, 8 Mar 2021 08:43:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231189AbhCHInH (ORCPT ); Mon, 8 Mar 2021 03:43:07 -0500 Received: from mail-lj1-f175.google.com ([209.85.208.175]:37342 "EHLO mail-lj1-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230246AbhCHImu (ORCPT ); Mon, 8 Mar 2021 03:42:50 -0500 Received: by mail-lj1-f175.google.com with SMTP id q14so15036334ljp.4; Mon, 08 Mar 2021 00:42:50 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=DU3qDLJOPt3ZGAHH925zeN82rv5a9Z8o8SCBwnQGHag=; b=QeGPu65h7LtBXX704+pi6zXE+o3E0OZR/fw78MS5R+r9s8Ar8VcwLGxN05u1RD6ICB aNQGz/2KPPFkRydpQRci3pRNQ/Wz3cYWhScKOkJuwklfm1Vzos24o5XtgEZz22MWlraM 0KfkyO9DvW6jX36bjuqEzxBq56ACG4C3vsJ+b/mhfLnd24oBLXPcwq6tYg1t38zyCXk4 Pzyg+1fFkjNgnrYTaH7A9JB2GdWa0Sk8yAPrFGcRHJ8JLxiXK+3Lmb7oKnGnIDHwT5ee IU/bQowXJqFrGjf4Y8KQhnHppHH09lNP+2kzJxK3TCGjf5qX+ysyA+OjyVSAUbmqWsIs 7qjw== X-Gm-Message-State: AOAM532pD6YqF/zeDn71dgmU5iax9SveG9+gsTSR7TJrMcXUsq+znUWE hQvfsuWHCFiQp/uaWTPWnOg= X-Google-Smtp-Source: ABdhPJzoXlRVNgwk9BELpEYDtdAw0qgjccF4Ci/g0RpKM1xWxp0O947A9L5mSzm30U3BrK6ohJBS0w== X-Received: by 2002:a2e:5159:: with SMTP id b25mr3634679lje.1.1615192969394; Mon, 08 Mar 2021 00:42:49 -0800 (PST) Received: from localhost.localdomain (dc7vkhyyyyyyyyyyyyycy-3.rev.dnainternet.fi. [2001:14ba:16e2:8300::4]) by smtp.gmail.com with ESMTPSA id k30sm1349496ljc.140.2021.03.08.00.42.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Mar 2021 00:42:49 -0800 (PST) Date: Mon, 8 Mar 2021 10:42:43 +0200 From: Matti Vaittinen To: matti.vaittinen@fi.rohmeurope.com, mazziesaccount@gmail.com Cc: Hans de Goede , Sebastian Reichel , Chen-Yu Tsai , Matti Vaittinen , gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Subject: [RFC PATCH v2 6/8] power: supply: Clean-up few drivers by using managed work init Message-ID: <38263724e80591d53eb4a71c919bbed908121301.1615187284.git.matti.vaittinen@fi.rohmeurope.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Few drivers implement remove call-back only for ensuring a delayed work gets cancelled prior driver removal. Clean-up these by switching to use devm_delayed_work_autocancel() instead. This change is compile-tested only. All testing is appreciated. Signed-off-by: Matti Vaittinen Acked-by: Sebastian Reichel --- drivers/power/supply/axp20x_usb_power.c | 15 +++++---------- drivers/power/supply/bq24735-charger.c | 18 ++++++------------ drivers/power/supply/ltc2941-battery-gauge.c | 20 +++++++------------- drivers/power/supply/sbs-battery.c | 16 +++++----------- 4 files changed, 23 insertions(+), 46 deletions(-) diff --git a/drivers/power/supply/axp20x_usb_power.c b/drivers/power/supply/axp20x_usb_power.c index 8933ae26c3d6..4259709e3491 100644 --- a/drivers/power/supply/axp20x_usb_power.c +++ b/drivers/power/supply/axp20x_usb_power.c @@ -8,6 +8,7 @@ #include #include +#include #include #include #include @@ -646,21 +647,16 @@ static int axp20x_usb_power_probe(struct platform_device *pdev) } } + ret = devm_delayed_work_autocancel(&pdev->dev, &power->vbus_detect, + axp20x_usb_power_poll_vbus); + if (ret) + return ret; if (axp20x_usb_vbus_needs_polling(power)) queue_delayed_work(system_power_efficient_wq, &power->vbus_detect, 0); return 0; } -static int axp20x_usb_power_remove(struct platform_device *pdev) -{ - struct axp20x_usb_power *power = platform_get_drvdata(pdev); - - cancel_delayed_work_sync(&power->vbus_detect); - - return 0; -} - static const struct of_device_id axp20x_usb_power_match[] = { { .compatible = "x-powers,axp202-usb-power-supply", @@ -680,7 +676,6 @@ MODULE_DEVICE_TABLE(of, axp20x_usb_power_match); static struct platform_driver axp20x_usb_power_driver = { .probe = axp20x_usb_power_probe, - .remove = axp20x_usb_power_remove, .driver = { .name = DRVNAME, .of_match_table = axp20x_usb_power_match, diff --git a/drivers/power/supply/bq24735-charger.c b/drivers/power/supply/bq24735-charger.c index ab2f4bf8f603..b5d619db79f6 100644 --- a/drivers/power/supply/bq24735-charger.c +++ b/drivers/power/supply/bq24735-charger.c @@ -17,6 +17,7 @@ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ +#include #include #include #include @@ -473,7 +474,11 @@ static int bq24735_charger_probe(struct i2c_client *client, if (!charger->poll_interval) return 0; - INIT_DELAYED_WORK(&charger->poll, bq24735_poll); + ret = devm_delayed_work_autocancel(&client->dev, &charger->poll, + bq24735_poll); + if (ret) + return ret; + schedule_delayed_work(&charger->poll, msecs_to_jiffies(charger->poll_interval)); } @@ -481,16 +486,6 @@ static int bq24735_charger_probe(struct i2c_client *client, return 0; } -static int bq24735_charger_remove(struct i2c_client *client) -{ - struct bq24735 *charger = i2c_get_clientdata(client); - - if (charger->poll_interval) - cancel_delayed_work_sync(&charger->poll); - - return 0; -} - static const struct i2c_device_id bq24735_charger_id[] = { { "bq24735-charger", 0 }, {} @@ -509,7 +504,6 @@ static struct i2c_driver bq24735_charger_driver = { .of_match_table = bq24735_match_ids, }, .probe = bq24735_charger_probe, - .remove = bq24735_charger_remove, .id_table = bq24735_charger_id, }; diff --git a/drivers/power/supply/ltc2941-battery-gauge.c b/drivers/power/supply/ltc2941-battery-gauge.c index 10cd617516ec..09f3e78af4e0 100644 --- a/drivers/power/supply/ltc2941-battery-gauge.c +++ b/drivers/power/supply/ltc2941-battery-gauge.c @@ -8,6 +8,7 @@ * Author: Auryn Verwegen * Author: Mike Looijmans */ +#include #include #include #include @@ -445,15 +446,6 @@ static enum power_supply_property ltc294x_properties[] = { POWER_SUPPLY_PROP_CURRENT_NOW, }; -static int ltc294x_i2c_remove(struct i2c_client *client) -{ - struct ltc294x_info *info = i2c_get_clientdata(client); - - cancel_delayed_work_sync(&info->work); - power_supply_unregister(info->supply); - return 0; -} - static int ltc294x_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { @@ -547,7 +539,10 @@ static int ltc294x_i2c_probe(struct i2c_client *client, psy_cfg.drv_data = info; - INIT_DELAYED_WORK(&info->work, ltc294x_work); + ret = devm_delayed_work_autocancel(&client->dev, &info->work, + ltc294x_work); + if (ret) + return ret; ret = ltc294x_reset(info, prescaler_exp); if (ret < 0) { @@ -555,8 +550,8 @@ static int ltc294x_i2c_probe(struct i2c_client *client, return ret; } - info->supply = power_supply_register(&client->dev, &info->supply_desc, - &psy_cfg); + info->supply = devm_power_supply_register(&client->dev, + &info->supply_desc, &psy_cfg); if (IS_ERR(info->supply)) { dev_err(&client->dev, "failed to register ltc2941\n"); return PTR_ERR(info->supply); @@ -655,7 +650,6 @@ static struct i2c_driver ltc294x_driver = { .pm = LTC294X_PM_OPS, }, .probe = ltc294x_i2c_probe, - .remove = ltc294x_i2c_remove, .shutdown = ltc294x_i2c_shutdown, .id_table = ltc294x_i2c_id, }; diff --git a/drivers/power/supply/sbs-battery.c b/drivers/power/supply/sbs-battery.c index b6a538ebb378..70ea404b2a36 100644 --- a/drivers/power/supply/sbs-battery.c +++ b/drivers/power/supply/sbs-battery.c @@ -7,6 +7,7 @@ #include #include +#include #include #include #include @@ -1165,7 +1166,10 @@ static int sbs_probe(struct i2c_client *client) } } - INIT_DELAYED_WORK(&chip->work, sbs_delayed_work); + rc = devm_delayed_work_autocancel(&client->dev, &chip->work, + sbs_delayed_work); + if (rc) + return rc; chip->power_supply = devm_power_supply_register(&client->dev, sbs_desc, &psy_cfg); @@ -1185,15 +1189,6 @@ static int sbs_probe(struct i2c_client *client) return rc; } -static int sbs_remove(struct i2c_client *client) -{ - struct sbs_info *chip = i2c_get_clientdata(client); - - cancel_delayed_work_sync(&chip->work); - - return 0; -} - #if defined CONFIG_PM_SLEEP static int sbs_suspend(struct device *dev) @@ -1248,7 +1243,6 @@ MODULE_DEVICE_TABLE(of, sbs_dt_ids); static struct i2c_driver sbs_battery_driver = { .probe_new = sbs_probe, - .remove = sbs_remove, .alert = sbs_alert, .id_table = sbs_id, .driver = {