Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752165AbbG3Oxf (ORCPT ); Thu, 30 Jul 2015 10:53:35 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:42415 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1750754AbbG3Oxe (ORCPT ); Thu, 30 Jul 2015 10:53:34 -0400 X-Listener-Flag: 11101 From: Henry Chen To: Alexandre Belloni CC: Alessandro Zummo , Eddie Huang , Matthias Brugger , , , , , Henry Chen Subject: [PATCH] rtc: mt6397: implement suspend/resume function in rtc-mt6397 driver Date: Thu, 30 Jul 2015 22:53:14 +0800 Message-ID: <1438267994-13934-1-git-send-email-henryc.chen@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1604 Lines: 59 Implement the suspend/resume function in order to control rtc's irq_wake flag and handle as wakeup source. Signed-off-by: Henry Chen --- drivers/rtc/rtc-mt6397.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c index c0090b6..9f6c9f8 100644 --- a/drivers/rtc/rtc-mt6397.c +++ b/drivers/rtc/rtc-mt6397.c @@ -373,6 +373,31 @@ static int mtk_rtc_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM_SLEEP +static int mt6397_rtc_suspend(struct device *dev) +{ + struct mt6397_rtc *rtc = dev_get_drvdata(dev); + + if (device_may_wakeup(dev)) + enable_irq_wake(rtc->irq); + + return 0; +} + +static int mt6397_rtc_resume(struct device *dev) +{ + struct mt6397_rtc *rtc = dev_get_drvdata(dev); + + if (device_may_wakeup(dev)) + disable_irq_wake(rtc->irq); + + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(mt6397_pm_ops, mt6397_rtc_suspend, + mt6397_rtc_resume); + static const struct of_device_id mt6397_rtc_of_match[] = { { .compatible = "mediatek,mt6397-rtc", }, { } @@ -382,6 +407,7 @@ static struct platform_driver mtk_rtc_driver = { .driver = { .name = "mt6397-rtc", .of_match_table = mt6397_rtc_of_match, + .pm = &mt6397_pm_ops, }, .probe = mtk_rtc_probe, .remove = mtk_rtc_remove, -- 1.8.1.1.dirty -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/