From patchwork Thu Jan 10 17:40:02 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lubomir Rintel X-Patchwork-Id: 10756457 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 238EB6C5 for ; Thu, 10 Jan 2019 17:42:53 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 14C7829E50 for ; Thu, 10 Jan 2019 17:42:53 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 08D6A29E53; Thu, 10 Jan 2019 17:42:53 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 723D829E50 for ; Thu, 10 Jan 2019 17:42:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730704AbfAJRmY (ORCPT ); Thu, 10 Jan 2019 12:42:24 -0500 Received: from shell.v3.sk ([90.176.6.54]:58375 "EHLO shell.v3.sk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730668AbfAJRmX (ORCPT ); Thu, 10 Jan 2019 12:42:23 -0500 Received: from localhost (localhost [127.0.0.1]) by zimbra.v3.sk (Postfix) with ESMTP id F23CB1002E6; Thu, 10 Jan 2019 18:42:19 +0100 (CET) Received: from shell.v3.sk ([127.0.0.1]) by localhost (zimbra.v3.sk [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id EXbQPRh29amv; Thu, 10 Jan 2019 18:42:06 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by zimbra.v3.sk (Postfix) with ESMTP id 9CC121002EA; Thu, 10 Jan 2019 18:42:05 +0100 (CET) X-Virus-Scanned: amavisd-new at zimbra.v3.sk Received: from shell.v3.sk ([127.0.0.1]) by localhost (zimbra.v3.sk [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 3Cd6t0tuauUA; Thu, 10 Jan 2019 18:42:03 +0100 (CET) Received: from belphegor.brq.redhat.com (nat-pool-brq-t.redhat.com [213.175.37.10]) by zimbra.v3.sk (Postfix) with ESMTPSA id 4E6351002E8; Thu, 10 Jan 2019 18:42:03 +0100 (CET) From: Lubomir Rintel To: Sebastian Reichel Cc: Rob Herring , Mark Rutland , x86@kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Lubomir Rintel , Andy Shevchenko Subject: [PATCH v5 4/7] power: supply: olpc_battery: Move priv data to a struct Date: Thu, 10 Jan 2019 18:40:02 +0100 Message-Id: <20190110174005.1202564-5-lkundrak@v3.sk> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190110174005.1202564-1-lkundrak@v3.sk> References: <20190110174005.1202564-1-lkundrak@v3.sk> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The global variables for private data are not too nice. I'd like some more, and that would clutter the global name space even further. Signed-off-by: Lubomir Rintel Reviewed-by: Andy Shevchenko --- Changes since v4: - Bring some more code that was misplaced here. Changes since v2: - Bring the allocaton of the priv data structure here Changes since v1: - Split out the move to devm_* into a separate patch drivers/power/supply/olpc_battery.c | 78 ++++++++++++++++++----------- 1 file changed, 48 insertions(+), 30 deletions(-) diff --git a/drivers/power/supply/olpc_battery.c b/drivers/power/supply/olpc_battery.c index 5323987d9284..7067cb500669 100644 --- a/drivers/power/supply/olpc_battery.c +++ b/drivers/power/supply/olpc_battery.c @@ -53,6 +53,12 @@ #define BAT_ADDR_MFR_TYPE 0x5F +struct olpc_battery_data { + struct power_supply *olpc_ac; + struct power_supply *olpc_bat; + char bat_serial[17]; +}; + /********************************************************************* * Power *********************************************************************/ @@ -91,11 +97,8 @@ static const struct power_supply_desc olpc_ac_desc = { .get_property = olpc_ac_get_prop, }; -static struct power_supply *olpc_ac; - -static char bat_serial[17]; /* Ick */ - -static int olpc_bat_get_status(union power_supply_propval *val, uint8_t ec_byte) +static int olpc_bat_get_status(struct olpc_battery_data *data, + union power_supply_propval *val, uint8_t ec_byte) { if (olpc_platform_info.ecver > 0x44) { if (ec_byte & (BAT_STAT_CHARGING | BAT_STAT_TRICKLE)) @@ -326,6 +329,7 @@ static int olpc_bat_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) { + struct olpc_battery_data *data = power_supply_get_drvdata(psy); int ret = 0; __be16 ec_word; uint8_t ec_byte; @@ -347,7 +351,7 @@ static int olpc_bat_get_property(struct power_supply *psy, switch (psp) { case POWER_SUPPLY_PROP_STATUS: - ret = olpc_bat_get_status(val, ec_byte); + ret = olpc_bat_get_status(data, val, ec_byte); if (ret) return ret; break; @@ -450,8 +454,8 @@ static int olpc_bat_get_property(struct power_supply *psy, if (ret) return ret; - sprintf(bat_serial, "%016llx", (long long)be64_to_cpu(ser_buf)); - val->strval = bat_serial; + sprintf(data->bat_serial, "%016llx", (long long)be64_to_cpu(ser_buf)); + val->strval = data->bat_serial; break; case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: ret = olpc_bat_get_voltage_max_design(val); @@ -579,17 +583,17 @@ static struct power_supply_desc olpc_bat_desc = { .use_for_apm = 1, }; -static struct power_supply *olpc_bat; - static int olpc_battery_suspend(struct platform_device *pdev, pm_message_t state) { - if (device_may_wakeup(&olpc_ac->dev)) + struct olpc_battery_data *data = platform_get_drvdata(pdev); + + if (device_may_wakeup(&data->olpc_ac->dev)) olpc_ec_wakeup_set(EC_SCI_SRC_ACPWR); else olpc_ec_wakeup_clear(EC_SCI_SRC_ACPWR); - if (device_may_wakeup(&olpc_bat->dev)) + if (device_may_wakeup(&data->olpc_bat->dev)) olpc_ec_wakeup_set(EC_SCI_SRC_BATTERY | EC_SCI_SRC_BATSOC | EC_SCI_SRC_BATERR); else @@ -601,8 +605,15 @@ static int olpc_battery_suspend(struct platform_device *pdev, static int olpc_battery_probe(struct platform_device *pdev) { - int ret; + struct power_supply_config psy_cfg = {}; + struct olpc_battery_data *data; uint8_t status; + int ret; + + data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + platform_set_drvdata(pdev, data); /* * We've seen a number of EC protocol changes; this driver requires @@ -620,9 +631,13 @@ static int olpc_battery_probe(struct platform_device *pdev) /* Ignore the status. It doesn't actually matter */ - olpc_ac = power_supply_register(&pdev->dev, &olpc_ac_desc, NULL); - if (IS_ERR(olpc_ac)) - return PTR_ERR(olpc_ac); + psy_cfg.of_node = pdev->dev.of_node; + psy_cfg.drv_data = data; + + data->olpc_ac = power_supply_register(&pdev->dev, &olpc_ac_desc, &psy_cfg); + if (IS_ERR(data->olpc_ac)) + return PTR_ERR(data->olpc_ac); + if (of_property_match_string(pdev->dev.of_node, "compatible", "olpc,xo1.5-battery") >= 0) { /* XO-1.5 */ @@ -634,42 +649,45 @@ static int olpc_battery_probe(struct platform_device *pdev) olpc_bat_desc.num_properties = ARRAY_SIZE(olpc_xo1_bat_props); } - olpc_bat = power_supply_register(&pdev->dev, &olpc_bat_desc, NULL); - if (IS_ERR(olpc_bat)) { - ret = PTR_ERR(olpc_bat); + data->olpc_bat = power_supply_register(&pdev->dev, &olpc_bat_desc, &psy_cfg); + if (IS_ERR(data->olpc_bat)) { + ret = PTR_ERR(data->olpc_bat); goto battery_failed; } - ret = device_create_bin_file(&olpc_bat->dev, &olpc_bat_eeprom); + ret = device_create_bin_file(&data->olpc_bat->dev, &olpc_bat_eeprom); if (ret) goto eeprom_failed; - ret = device_create_file(&olpc_bat->dev, &olpc_bat_error); + ret = device_create_file(&data->olpc_bat->dev, &olpc_bat_error); if (ret) goto error_failed; if (olpc_ec_wakeup_available()) { - device_set_wakeup_capable(&olpc_ac->dev, true); - device_set_wakeup_capable(&olpc_bat->dev, true); + device_set_wakeup_capable(&data->olpc_ac->dev, true); + device_set_wakeup_capable(&data->olpc_bat->dev, true); } return 0; error_failed: - device_remove_bin_file(&olpc_bat->dev, &olpc_bat_eeprom); + device_remove_bin_file(&data->olpc_bat->dev, &olpc_bat_eeprom); eeprom_failed: - power_supply_unregister(olpc_bat); + power_supply_unregister(data->olpc_bat); battery_failed: - power_supply_unregister(olpc_ac); + power_supply_unregister(data->olpc_ac); return ret; } static int olpc_battery_remove(struct platform_device *pdev) { - device_remove_file(&olpc_bat->dev, &olpc_bat_error); - device_remove_bin_file(&olpc_bat->dev, &olpc_bat_eeprom); - power_supply_unregister(olpc_bat); - power_supply_unregister(olpc_ac); + struct olpc_battery_data *data = platform_get_drvdata(pdev); + + device_remove_file(&data->olpc_bat->dev, &olpc_bat_error); + device_remove_bin_file(&data->olpc_bat->dev, &olpc_bat_eeprom); + power_supply_unregister(data->olpc_bat); + power_supply_unregister(data->olpc_ac); + return 0; }