From patchwork Mon Mar 10 18:44:44 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Josh Cartwright X-Patchwork-Id: 3805281 Return-Path: X-Original-To: patchwork-linux-arm-msm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 9E0F49F387 for ; Mon, 10 Mar 2014 18:49:41 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 79DC22021E for ; Mon, 10 Mar 2014 18:49:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5300920237 for ; Mon, 10 Mar 2014 18:49:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752889AbaCJSrr (ORCPT ); Mon, 10 Mar 2014 14:47:47 -0400 Received: from smtp.codeaurora.org ([198.145.11.231]:37170 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752381AbaCJSrq (ORCPT ); Mon, 10 Mar 2014 14:47:46 -0400 Received: from smtp.codeaurora.org (localhost [127.0.0.1]) by smtp.codeaurora.org (Postfix) with ESMTP id B3FBB13EF23; Mon, 10 Mar 2014 18:47:45 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 486) id A68FF13F24C; Mon, 10 Mar 2014 18:47:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from joshc.qualcomm.com (rrcs-67-52-129-61.west.biz.rr.com [67.52.129.61]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: joshc@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id AF16813EF23; Mon, 10 Mar 2014 18:47:44 +0000 (UTC) Received: by joshc.qualcomm.com (Postfix, from userid 1000) id 678576354C; Mon, 10 Mar 2014 13:44:49 -0500 (CDT) From: Josh Cartwright To: Andrew Morton , Alessandro Zummo Cc: linux-arm-msm@vger.kernel.org, rtc-linux@googlegroups.com, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/6] rtc: pm8xxx: fixup checkpatch/style issues Date: Mon, 10 Mar 2014 13:44:44 -0500 Message-Id: <1394477089-3996-2-git-send-email-joshc@codeaurora.org> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1394477089-3996-1-git-send-email-joshc@codeaurora.org> References: <1394477089-3996-1-git-send-email-joshc@codeaurora.org> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Before performing additional cleanups to this driver, do the easy cleanups first. Signed-off-by: Josh Cartwright Reviewed-by: Stephen Boyd --- drivers/rtc/rtc-pm8xxx.c | 97 ++++++++++++++++++++++++++---------------------- 1 file changed, 53 insertions(+), 44 deletions(-) diff --git a/drivers/rtc/rtc-pm8xxx.c b/drivers/rtc/rtc-pm8xxx.c index bd76ffe9..af60ee4 100644 --- a/drivers/rtc/rtc-pm8xxx.c +++ b/drivers/rtc/rtc-pm8xxx.c @@ -53,7 +53,7 @@ struct pm8xxx_rtc { int rtc_read_base; int rtc_write_base; int alarm_rw_base; - u8 ctrl_reg; + u8 ctrl_reg; struct device *rtc_dev; spinlock_t ctrl_reg_lock; }; @@ -63,7 +63,7 @@ struct pm8xxx_rtc { * hardware limitation. */ static int pm8xxx_read_wrapper(struct pm8xxx_rtc *rtc_dd, u8 *rtc_val, - int base, int count) + int base, int count) { int i, rc; struct device *parent = rtc_dd->rtc_dev->parent; @@ -80,7 +80,7 @@ static int pm8xxx_read_wrapper(struct pm8xxx_rtc *rtc_dd, u8 *rtc_val, } static int pm8xxx_write_wrapper(struct pm8xxx_rtc *rtc_dd, u8 *rtc_val, - int base, int count) + int base, int count) { int i, rc; struct device *parent = rtc_dd->rtc_dev->parent; @@ -126,15 +126,15 @@ static int pm8xxx_rtc_set_time(struct device *dev, struct rtc_time *tm) alarm_enabled = 1; ctrl_reg &= ~PM8xxx_RTC_ALARM_ENABLE; rc = pm8xxx_write_wrapper(rtc_dd, &ctrl_reg, rtc_dd->rtc_base, - 1); + 1); if (rc < 0) { - dev_err(dev, "Write to RTC control register " - "failed\n"); + dev_err(dev, "Write to RTC control register failed\n"); goto rtc_rw_fail; } rtc_dd->ctrl_reg = ctrl_reg; - } else + } else { spin_unlock_irqrestore(&rtc_dd->ctrl_reg_lock, irq_flags); + } /* Write 0 to Byte[0] */ reg = 0; @@ -146,7 +146,7 @@ static int pm8xxx_rtc_set_time(struct device *dev, struct rtc_time *tm) /* Write Byte[1], Byte[2], Byte[3] */ rc = pm8xxx_write_wrapper(rtc_dd, value + 1, - rtc_dd->rtc_write_base + 1, 3); + rtc_dd->rtc_write_base + 1, 3); if (rc < 0) { dev_err(dev, "Write to RTC write data register failed\n"); goto rtc_rw_fail; @@ -162,10 +162,9 @@ static int pm8xxx_rtc_set_time(struct device *dev, struct rtc_time *tm) if (alarm_enabled) { ctrl_reg |= PM8xxx_RTC_ALARM_ENABLE; rc = pm8xxx_write_wrapper(rtc_dd, &ctrl_reg, rtc_dd->rtc_base, - 1); + 1); if (rc < 0) { - dev_err(dev, "Write to RTC control register " - "failed\n"); + dev_err(dev, "Write to RTC control register failed\n"); goto rtc_rw_fail; } rtc_dd->ctrl_reg = ctrl_reg; @@ -186,7 +185,7 @@ static int pm8xxx_rtc_read_time(struct device *dev, struct rtc_time *tm) struct pm8xxx_rtc *rtc_dd = dev_get_drvdata(dev); rc = pm8xxx_read_wrapper(rtc_dd, value, rtc_dd->rtc_read_base, - NUM_8_BIT_RTC_REGS); + NUM_8_BIT_RTC_REGS); if (rc < 0) { dev_err(dev, "RTC read data register failed\n"); return rc; @@ -204,7 +203,8 @@ static int pm8xxx_rtc_read_time(struct device *dev, struct rtc_time *tm) if (unlikely(reg < value[0])) { rc = pm8xxx_read_wrapper(rtc_dd, value, - rtc_dd->rtc_read_base, NUM_8_BIT_RTC_REGS); + rtc_dd->rtc_read_base, + NUM_8_BIT_RTC_REGS); if (rc < 0) { dev_err(dev, "RTC read data register failed\n"); return rc; @@ -222,8 +222,8 @@ static int pm8xxx_rtc_read_time(struct device *dev, struct rtc_time *tm) } dev_dbg(dev, "secs = %lu, h:m:s == %d:%d:%d, d/m/y = %d/%d/%d\n", - secs, tm->tm_hour, tm->tm_min, tm->tm_sec, - tm->tm_mday, tm->tm_mon, tm->tm_year); + secs, tm->tm_hour, tm->tm_min, tm->tm_sec, + tm->tm_mday, tm->tm_mon, tm->tm_year); return 0; } @@ -245,15 +245,18 @@ static int pm8xxx_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm) spin_lock_irqsave(&rtc_dd->ctrl_reg_lock, irq_flags); rc = pm8xxx_write_wrapper(rtc_dd, value, rtc_dd->alarm_rw_base, - NUM_8_BIT_RTC_REGS); + NUM_8_BIT_RTC_REGS); if (rc < 0) { dev_err(dev, "Write to RTC ALARM register failed\n"); goto rtc_rw_fail; } ctrl_reg = rtc_dd->ctrl_reg; - ctrl_reg = alarm->enabled ? (ctrl_reg | PM8xxx_RTC_ALARM_ENABLE) : - (ctrl_reg & ~PM8xxx_RTC_ALARM_ENABLE); + + if (alarm->enabled) + ctrl_reg |= PM8xxx_RTC_ALARM_ENABLE; + else + ctrl_reg &= ~PM8xxx_RTC_ALARM_ENABLE; rc = pm8xxx_write_wrapper(rtc_dd, &ctrl_reg, rtc_dd->rtc_base, 1); if (rc < 0) { @@ -264,9 +267,9 @@ static int pm8xxx_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm) rtc_dd->ctrl_reg = ctrl_reg; dev_dbg(dev, "Alarm Set for h:r:s=%d:%d:%d, d/m/y=%d/%d/%d\n", - alarm->time.tm_hour, alarm->time.tm_min, - alarm->time.tm_sec, alarm->time.tm_mday, - alarm->time.tm_mon, alarm->time.tm_year); + alarm->time.tm_hour, alarm->time.tm_min, + alarm->time.tm_sec, alarm->time.tm_mday, + alarm->time.tm_mon, alarm->time.tm_year); rtc_rw_fail: spin_unlock_irqrestore(&rtc_dd->ctrl_reg_lock, irq_flags); return rc; @@ -280,7 +283,7 @@ static int pm8xxx_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm) struct pm8xxx_rtc *rtc_dd = dev_get_drvdata(dev); rc = pm8xxx_read_wrapper(rtc_dd, value, rtc_dd->alarm_rw_base, - NUM_8_BIT_RTC_REGS); + NUM_8_BIT_RTC_REGS); if (rc < 0) { dev_err(dev, "RTC alarm time read failed\n"); return rc; @@ -297,9 +300,9 @@ static int pm8xxx_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm) } dev_dbg(dev, "Alarm set for - h:r:s=%d:%d:%d, d/m/y=%d/%d/%d\n", - alarm->time.tm_hour, alarm->time.tm_min, - alarm->time.tm_sec, alarm->time.tm_mday, - alarm->time.tm_mon, alarm->time.tm_year); + alarm->time.tm_hour, alarm->time.tm_min, + alarm->time.tm_sec, alarm->time.tm_mday, + alarm->time.tm_mon, alarm->time.tm_year); return 0; } @@ -312,9 +315,13 @@ static int pm8xxx_rtc_alarm_irq_enable(struct device *dev, unsigned int enable) u8 ctrl_reg; spin_lock_irqsave(&rtc_dd->ctrl_reg_lock, irq_flags); + ctrl_reg = rtc_dd->ctrl_reg; - ctrl_reg = (enable) ? (ctrl_reg | PM8xxx_RTC_ALARM_ENABLE) : - (ctrl_reg & ~PM8xxx_RTC_ALARM_ENABLE); + + if (enable) + ctrl_reg |= PM8xxx_RTC_ALARM_ENABLE; + else + ctrl_reg &= ~PM8xxx_RTC_ALARM_ENABLE; rc = pm8xxx_write_wrapper(rtc_dd, &ctrl_reg, rtc_dd->rtc_base, 1); if (rc < 0) { @@ -354,8 +361,8 @@ static irqreturn_t pm8xxx_alarm_trigger(int irq, void *dev_id) rc = pm8xxx_write_wrapper(rtc_dd, &ctrl_reg, rtc_dd->rtc_base, 1); if (rc < 0) { spin_unlock_irqrestore(&rtc_dd->ctrl_reg_lock, irq_flags); - dev_err(rtc_dd->rtc_dev, "Write to RTC control register " - "failed\n"); + dev_err(rtc_dd->rtc_dev, + "Write to RTC control register failed\n"); goto rtc_alarm_handled; } @@ -364,19 +371,19 @@ static irqreturn_t pm8xxx_alarm_trigger(int irq, void *dev_id) /* Clear RTC alarm register */ rc = pm8xxx_read_wrapper(rtc_dd, &ctrl_reg, rtc_dd->rtc_base + - PM8XXX_ALARM_CTRL_OFFSET, 1); + PM8XXX_ALARM_CTRL_OFFSET, 1); if (rc < 0) { - dev_err(rtc_dd->rtc_dev, "RTC Alarm control register read " - "failed\n"); + dev_err(rtc_dd->rtc_dev, + "RTC Alarm control register read failed\n"); goto rtc_alarm_handled; } ctrl_reg &= ~PM8xxx_RTC_ALARM_CLEAR; rc = pm8xxx_write_wrapper(rtc_dd, &ctrl_reg, rtc_dd->rtc_base + - PM8XXX_ALARM_CTRL_OFFSET, 1); + PM8XXX_ALARM_CTRL_OFFSET, 1); if (rc < 0) - dev_err(rtc_dd->rtc_dev, "Write to RTC Alarm control register" - " failed\n"); + dev_err(rtc_dd->rtc_dev, + "Write to RTC Alarm control register failed\n"); rtc_alarm_handled: return IRQ_HANDLED; @@ -409,7 +416,7 @@ static int pm8xxx_rtc_probe(struct platform_device *pdev) } rtc_resource = platform_get_resource_byname(pdev, IORESOURCE_IO, - "pmic_rtc_base"); + "pmic_rtc_base"); if (!(rtc_resource && rtc_resource->start)) { dev_err(&pdev->dev, "RTC IO resource absent!\n"); return -ENXIO; @@ -436,31 +443,31 @@ static int pm8xxx_rtc_probe(struct platform_device *pdev) rc = pm8xxx_write_wrapper(rtc_dd, &ctrl_reg, rtc_dd->rtc_base, 1); if (rc < 0) { - dev_err(&pdev->dev, "Write to RTC control register " - "failed\n"); + dev_err(&pdev->dev, + "Write to RTC control register failed\n"); return rc; } } rtc_dd->ctrl_reg = ctrl_reg; - if (rtc_write_enable == true) + if (rtc_write_enable) pm8xxx_rtc_ops.set_time = pm8xxx_rtc_set_time; platform_set_drvdata(pdev, rtc_dd); /* Register the RTC device */ rtc_dd->rtc = devm_rtc_device_register(&pdev->dev, "pm8xxx_rtc", - &pm8xxx_rtc_ops, THIS_MODULE); + &pm8xxx_rtc_ops, THIS_MODULE); if (IS_ERR(rtc_dd->rtc)) { dev_err(&pdev->dev, "%s: RTC registration failed (%ld)\n", - __func__, PTR_ERR(rtc_dd->rtc)); + __func__, PTR_ERR(rtc_dd->rtc)); return PTR_ERR(rtc_dd->rtc); } /* Request the alarm IRQ */ rc = request_any_context_irq(rtc_dd->rtc_alarm_irq, - pm8xxx_alarm_trigger, IRQF_TRIGGER_RISING, - "pm8xxx_rtc_alarm", rtc_dd); + pm8xxx_alarm_trigger, IRQF_TRIGGER_RISING, + "pm8xxx_rtc_alarm", rtc_dd); if (rc < 0) { dev_err(&pdev->dev, "Request IRQ failed (%d)\n", rc); return rc; @@ -505,7 +512,9 @@ static int pm8xxx_rtc_suspend(struct device *dev) } #endif -static SIMPLE_DEV_PM_OPS(pm8xxx_rtc_pm_ops, pm8xxx_rtc_suspend, pm8xxx_rtc_resume); +static SIMPLE_DEV_PM_OPS(pm8xxx_rtc_pm_ops, + pm8xxx_rtc_suspend, + pm8xxx_rtc_resume); static struct platform_driver pm8xxx_rtc_driver = { .probe = pm8xxx_rtc_probe,