From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752035AbdHHCxe (ORCPT ); Mon, 7 Aug 2017 22:53:34 -0400 Received: from mail-pf0-f194.google.com ([209.85.192.194]:35273 "EHLO mail-pf0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751758AbdHHCxb (ORCPT ); Mon, 7 Aug 2017 22:53:31 -0400 Date: Mon, 7 Aug 2017 19:53:28 -0700 From: Dmitry Torokhov To: Alexandre Belloni Cc: Chen Zhong , Rob Herring , Mark Rutland , Matthias Brugger , Lee Jones , Eddie Huang , Alessandro Zummo , Jaechul Lee , Jonathan Cameron , Javier Martinez Canillas , Linus Walleij , Beomho Seo , linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rtc@vger.kernel.org Subject: Re: [PATCH v2 1/5] mfd: mt6397: create irq mappings in mfd core driver Message-ID: <20170808025328.GB12328@dtor-ws> References: <1502071065-6745-1-git-send-email-chen.zhong@mediatek.com> <1502071065-6745-2-git-send-email-chen.zhong@mediatek.com> <20170807213244.7hrd3isq5jj44dgd@piout.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170807213244.7hrd3isq5jj44dgd@piout.net> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 07, 2017 at 11:32:44PM +0200, Alexandre Belloni wrote: > On 07/08/2017 at 09:57:41 +0800, Chen Zhong wrote: > > The core driver should create and manage irq mappings instead of > > leaf drivers. This patch change to pass irq domain to > > devm_mfd_add_devices() and it will create mapping for irq resources > > automatically. And remove irq mapping in rtc driver since this has > > been done in core driver. > > > > Signed-off-by: Chen Zhong > > For the RTC part: > Acked-by: Alexandre Belloni > > > --- > > drivers/mfd/mt6397-core.c | 4 ++-- > > drivers/rtc/rtc-mt6397.c | 2 +- > > 2 files changed, 3 insertions(+), 3 deletions(-) > > > > diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c > > index 04a601f..6546d7f 100644 > > --- a/drivers/mfd/mt6397-core.c > > +++ b/drivers/mfd/mt6397-core.c > > @@ -289,7 +289,7 @@ static int mt6397_probe(struct platform_device *pdev) > > > > ret = devm_mfd_add_devices(&pdev->dev, -1, mt6323_devs, > > ARRAY_SIZE(mt6323_devs), NULL, > > - 0, NULL); > > + 0, pmic->irq_domain); > > break; > > > > case MT6397_CID_CODE: > > @@ -304,7 +304,7 @@ static int mt6397_probe(struct platform_device *pdev) > > > > ret = devm_mfd_add_devices(&pdev->dev, -1, mt6397_devs, > > ARRAY_SIZE(mt6397_devs), NULL, > > - 0, NULL); > > + 0, pmic->irq_domain); > > break; > > > > default: > > diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c > > index 1a61fa5..22c52f7 100644 > > --- a/drivers/rtc/rtc-mt6397.c > > +++ b/drivers/rtc/rtc-mt6397.c > > @@ -323,7 +323,7 @@ static int mtk_rtc_probe(struct platform_device *pdev) > > rtc->addr_base = res->start; > > > > res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); > > - rtc->irq = irq_create_mapping(mt6397_chip->irq_domain, res->start); > > + rtc->irq = res->start; Why not rtc->irq = platform_get_irq(pdev, 0); if (rtc->irq < 0) return rtc->irq; ? This way you propagate error properly. Thanks. -- Dmitry