From nobody Thu Apr 30 09:28:37 2026 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 33052C43334 for ; Thu, 2 Jun 2022 05:44:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230143AbiFBFoV (ORCPT ); Thu, 2 Jun 2022 01:44:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39052 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230130AbiFBFoQ (ORCPT ); Thu, 2 Jun 2022 01:44:16 -0400 Received: from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com [IPv6:2607:f8b0:4864:20::1036]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6BD9722E691 for ; Wed, 1 Jun 2022 22:44:16 -0700 (PDT) Received: by mail-pj1-x1036.google.com with SMTP id v5-20020a17090a7c0500b001df84fa82f8so3946204pjf.5 for ; Wed, 01 Jun 2022 22:44:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id; bh=eMtJVeZI1KQcNXj557Juxr+LA31+JeDU+zp2yc6qXaQ=; b=JRu0GQwj96tRIGf0GuDeb++vELbXRr2LCcmXnc609jXDrHWJYjna7zLYkjxJvwR0LP EpPC5BkOO3vqmGKCcrjc47DZk4/MVwPscg90qAorPE2YblXa4M0kJuB/MTw+ySTZZzp2 F0TmVC5PAAGmfPEveezdA/JvEgsDY++MPNwAcTJar/vV4J97M9lzHnorrjqeu3QK5M4r mXMmZWf3H49z80GutNd+hO7MT/lAbVKZ3+9Acd0eeR38akCZDeAJkyJOr2h0vjAXfD8S Ia4/7Nqr4w94vrx1ZDd/98iPfXlRGNUGMEu2gafK0wBjqvcPw9DAV+1LJTVZUAWSdOyw bMDA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=eMtJVeZI1KQcNXj557Juxr+LA31+JeDU+zp2yc6qXaQ=; b=6InLFL5mZyBlaIlEnRGFpWml8ajRJd9b20jTHbr4TPdkUqka4cpsiGpCzJpTAcUjRK PuM0E9Xg8iWjyG4O0WJ+hoUGZMuQJaJMxZzYud8xlPx8P5nt6wV/F8bFuAUQZVrZI1Bg Gyg3ljUb3wu2XRs5AliCVLGjuA6Xp3Geff6YRLPQfHQx6OHPeNFUeLfpqQe26VDvaKnm lQ5eSSJdJvYiuWa0ZkycN0RAriL1Q/ySFY5gbIaSuKxAq5J13Qh2POreJlGkCaRbp9SW jSUequMg/I17gMvB0gHoW0m4mDgKLwvXhaXY2T1d7M4Gc5dQumFN7JLWy/SaPTdVaYPn bg0g== X-Gm-Message-State: AOAM530U61YSw0AhTWLCAZqnZ3njQjbTknHwholyo6+TTJPHzH5jrv+6 inIGTj/0bPK1jsfoW01tFWU= X-Google-Smtp-Source: ABdhPJyDaaKOQTiD9f5t5H7dhhDQ7PJ35+v6kLxUVMnDwfF/DH1iVSDcq37LLNdEfP/PfxAlenQIDQ== X-Received: by 2002:a17:902:b70c:b0:156:16f0:cbfe with SMTP id d12-20020a170902b70c00b0015616f0cbfemr3178691pls.152.1654148655756; Wed, 01 Jun 2022 22:44:15 -0700 (PDT) Received: from localhost.localdomain ([2402:7500:569:e4e7:9594:e92e:b3a9:bf26]) by smtp.gmail.com with ESMTPSA id 184-20020a6300c1000000b003db0f2d135esm2359987pga.49.2022.06.01.22.44.10 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 01 Jun 2022 22:44:14 -0700 (PDT) From: cy_huang To: broonie@kernel.org Cc: lgirdwood@gmail.com, cy_huang@richtek.com, linux-kernel@vger.kernel.org Subject: [PATCH] regulator: rt5190a: check if init_data is NULL, bypass rt5190a_of_parse_cb Date: Thu, 2 Jun 2022 13:44:06 +0800 Message-Id: <1654148646-12182-1-git-send-email-u0084500@gmail.com> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: ChiYuan Huang If the node for the match name cannot be found, 'of_regulator_match' will returns init_data as NULL for this regulator. Add the check for the init_data. If it's NULL, make 'rt5190a_of_parse_cb' function directly return. Signed-off-by: ChiYuan Huang --- drivers/regulator/rt5190a-regulator.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/regulator/rt5190a-regulator.c b/drivers/regulator/rt51= 90a-regulator.c index 155d4af..4a3397b 100644 --- a/drivers/regulator/rt5190a-regulator.c +++ b/drivers/regulator/rt5190a-regulator.c @@ -224,6 +224,9 @@ static int rt5190a_of_parse_cb(struct rt5190a_priv *pri= v, int rid, bool latchup_enable; unsigned int mask =3D RT5190A_RID_BITMASK(rid), val; =20 + if (!init_data) + return 0; + switch (rid) { case RT5190A_IDX_BUCK1: case RT5190A_IDX_BUCK4: --=20 2.7.4