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[109.252.170.211]) by smtp.gmail.com with ESMTPSA id j2sm1345309ljb.98.2020.08.13.14.34.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Aug 2020 14:34:34 -0700 (PDT) From: Dmitry Osipenko To: Sebastian Reichel , Rob Herring , Andy Gross , Bjorn Andersson , David Heidelberg , Thierry Reding , Jonathan Hunter , Mika Westerberg , "Bruce E . Robertson" Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Jonghwa Lee , John Stultz , Vinay Simha BN , linux-tegra@vger.kernel.org Subject: [PATCH v3 04/10] power: supply: smb347-charger: Use resource-managed API Date: Fri, 14 Aug 2020 00:34:03 +0300 Message-Id: <20200813213409.24222-5-digetx@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200813213409.24222-1-digetx@gmail.com> References: <20200813213409.24222-1-digetx@gmail.com> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org From: David Heidelberg Simplify code, more convenient to use with Device Tree. Reviewed-by: Dmitry Osipenko Signed-off-by: David Heidelberg --- drivers/power/supply/smb347-charger.c | 75 +++++++++++---------------- 1 file changed, 29 insertions(+), 46 deletions(-) diff --git a/drivers/power/supply/smb347-charger.c b/drivers/power/supply/smb347-charger.c index f99026d81f2a..60894105fcbd 100644 --- a/drivers/power/supply/smb347-charger.c +++ b/drivers/power/supply/smb347-charger.c @@ -836,21 +836,31 @@ static int smb347_irq_init(struct smb347_charger *smb, struct i2c_client *client) { const struct smb347_charger_platform_data *pdata = smb->pdata; - int ret, irq = gpio_to_irq(pdata->irq_gpio); + unsigned long irqflags = IRQF_ONESHOT; + int ret; - ret = gpio_request_one(pdata->irq_gpio, GPIOF_IN, client->name); - if (ret < 0) - goto fail; + /* Requesting GPIO for IRQ is only needed in non-DT way */ + if (!client->irq) { + int irq = gpio_to_irq(pdata->irq_gpio); + + ret = devm_gpio_request_one(smb->dev, pdata->irq_gpio, + GPIOF_IN, client->name); + if (ret < 0) + return ret; + + irqflags |= IRQF_TRIGGER_FALLING; + client->irq = irq; + } - ret = request_threaded_irq(irq, NULL, smb347_interrupt, - IRQF_TRIGGER_FALLING | IRQF_ONESHOT, - client->name, smb); + ret = devm_request_threaded_irq(smb->dev, client->irq, NULL, + smb347_interrupt, irqflags, + client->name, smb); if (ret < 0) - goto fail_gpio; + return ret; ret = smb347_set_writable(smb, true); if (ret < 0) - goto fail_irq; + return ret; /* * Configure the STAT output to be suitable for interrupts: disable @@ -860,20 +870,10 @@ static int smb347_irq_init(struct smb347_charger *smb, CFG_STAT_ACTIVE_HIGH | CFG_STAT_DISABLED, CFG_STAT_DISABLED); if (ret < 0) - goto fail_readonly; + client->irq = 0; smb347_set_writable(smb, false); - client->irq = irq; - return 0; -fail_readonly: - smb347_set_writable(smb, false); -fail_irq: - free_irq(irq, smb); -fail_gpio: - gpio_free(pdata->irq_gpio); -fail: - client->irq = 0; return ret; } @@ -1251,32 +1251,24 @@ static int smb347_probe(struct i2c_client *client, mains_usb_cfg.num_supplicants = ARRAY_SIZE(battery); mains_usb_cfg.drv_data = smb; if (smb->pdata->use_mains) { - smb->mains = power_supply_register(dev, &smb347_mains_desc, - &mains_usb_cfg); + smb->mains = devm_power_supply_register(dev, &smb347_mains_desc, + &mains_usb_cfg); if (IS_ERR(smb->mains)) return PTR_ERR(smb->mains); } if (smb->pdata->use_usb) { - smb->usb = power_supply_register(dev, &smb347_usb_desc, - &mains_usb_cfg); - if (IS_ERR(smb->usb)) { - if (smb->pdata->use_mains) - power_supply_unregister(smb->mains); + smb->usb = devm_power_supply_register(dev, &smb347_usb_desc, + &mains_usb_cfg); + if (IS_ERR(smb->usb)) return PTR_ERR(smb->usb); - } } battery_cfg.drv_data = smb; - smb->battery = power_supply_register(dev, &smb347_battery_desc, - &battery_cfg); - if (IS_ERR(smb->battery)) { - if (smb->pdata->use_usb) - power_supply_unregister(smb->usb); - if (smb->pdata->use_mains) - power_supply_unregister(smb->mains); + smb->battery = devm_power_supply_register(dev, &smb347_battery_desc, + &battery_cfg); + if (IS_ERR(smb->battery)) return PTR_ERR(smb->battery); - } /* * Interrupt pin is optional. If it is connected, we setup the @@ -1299,17 +1291,8 @@ static int smb347_remove(struct i2c_client *client) { struct smb347_charger *smb = i2c_get_clientdata(client); - if (client->irq) { + if (client->irq) smb347_irq_disable(smb); - free_irq(client->irq, smb); - gpio_free(smb->pdata->irq_gpio); - } - - power_supply_unregister(smb->battery); - if (smb->pdata->use_usb) - power_supply_unregister(smb->usb); - if (smb->pdata->use_mains) - power_supply_unregister(smb->mains); return 0; }