From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B18F4C77B75 for ; Fri, 21 Apr 2023 08:57:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231680AbjDUI5a (ORCPT ); Fri, 21 Apr 2023 04:57:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46380 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231705AbjDUI4z (ORCPT ); Fri, 21 Apr 2023 04:56:55 -0400 Received: from mail-qv1-xf2a.google.com (mail-qv1-xf2a.google.com [IPv6:2607:f8b0:4864:20::f2a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3EF18A5FF; Fri, 21 Apr 2023 01:56:51 -0700 (PDT) Received: by mail-qv1-xf2a.google.com with SMTP id 6a1803df08f44-5ef54bcded4so8334576d6.1; Fri, 21 Apr 2023 01:56:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1682067410; x=1684659410; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:from:to:cc:subject :date:message-id:reply-to; bh=qXhEILP7MIbeRegT9QhmF9Jbqb5hykNTAv4rFurPXOo=; b=Fp8vNPjFC8gwk56JdwhvgixReiu7sHBr42H+rxicYairhgzRr3XxufHNn7LTllmLrt RKK06lWxyEnQ+t4dyN/w7hmLHXOlTu9Gjtv756fVWta6JCA/ZlyXTHUmgAAYqHyGgKmv 3zHMcbPt3oMdV3MBEPQF/QV5bKiFdeFpTDDWMby3I/5s2QifWhDAO6daaHS8I6t1RAOm FuVWAMsnNpGCk56hFN2RSJLAKZqqzA1Qv89wKOWIamIs3xeW5IUjSObzD4jGAoQKLOGT 0nvnJHCNvQUlYxrSRc8GGC5EnKJClwi6np86K7bapdH+2eeVOupkNA5vkORorIqojpxb 5v0g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682067410; x=1684659410; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=qXhEILP7MIbeRegT9QhmF9Jbqb5hykNTAv4rFurPXOo=; b=DXIlYhzY3/42ToofeCf1Qons0P9cLsO8njvlbiJN6ZkgEkFSgavvDbJ0Arb9QIJbqo C/EVgXzlVZi1XuluaBDm68jIBq2MHFfcuTijTF/4wIpGRRg5nBKA7VlFkEWWwqCN8wIT vYz3dz36CIJ76ii5A+peOopFR0R7OUP87ceLvM4P+VTROTFESM7MgbeDHNqLHj4TrqEt wAubQnHd7TNJbDSGHA7JT7V3Csuguun1UW/u3E7avnusPq6lME+5ptf4ANmGy5XDZV1F MEa7lHMfW/n+aMmNJXWoiHFL0eXu9vhCk3unqP1lKljINcryqYxqj/Ymb2LJMQ5IP8ny WiMQ== X-Gm-Message-State: AAQBX9doalvnHDxWs2+qiJxwUk9PBWRU4u+I4yivLY5e74b2ObiG+gYH qzH3aEujibTZR1Bdd8pZvp0rcKeVy+sHk6qU X-Google-Smtp-Source: AKy350Zruw6CuMXgd+e3OySpeenWD9EnXJSTyoiWBbyds2AXwDQko5XgQ00OnjewRfm41mpvH+Pfqw== X-Received: by 2002:a05:6214:124c:b0:5cd:1adc:30e2 with SMTP id r12-20020a056214124c00b005cd1adc30e2mr7170251qvv.11.1682067410196; Fri, 21 Apr 2023 01:56:50 -0700 (PDT) Received: from ?IPv6:2003:f6:ef05:8700:853c:3ba5:d710:3c1d? (p200300f6ef058700853c3ba5d7103c1d.dip0.t-ipconnect.de. [2003:f6:ef05:8700:853c:3ba5:d710:3c1d]) by smtp.gmail.com with ESMTPSA id q15-20020a0cf5cf000000b00603551afd50sm481424qvm.39.2023.04.21.01.56.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Apr 2023 01:56:49 -0700 (PDT) Message-ID: Subject: Re: [PATCH v3] Fix IRQ issue by setting IRQ_DISABLE_UNLAZY flag From: Nuno =?ISO-8859-1?Q?S=E1?= To: Masahiro Honda , Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Date: Fri, 21 Apr 2023 10:58:57 +0200 In-Reply-To: <20230420102316.757-1-honda@mechatrax.com> References: <20230420102316.757-1-honda@mechatrax.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.46.4 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org On Thu, 2023-04-20 at 19:23 +0900, Masahiro Honda wrote: > The Sigma-Delta ADCs supported by this driver can use SDO as an interrupt > line to indicate the completion of a conversion. However, some devices > cannot properly detect the completion of a conversion by an interrupt. > This is for the reason mentioned in the following commit. >=20 > commit e9849777d0e2 ("genirq: Add flag to force mask in > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 disable_irq[_nosync]= ()") >=20 > A read operation is performed by an extra interrupt before the completion > of a conversion. This patch fixes the issue by setting IRQ_DISABLE_UNLAZY > flag. >=20 > Signed-off-by: Masahiro Honda > --- LGTM: Reviewed-by: Nuno S=C3=A1