From nobody Tue Feb 10 22:15:19 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 186FBC001DB for ; Tue, 8 Aug 2023 16:01:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231596AbjHHQB2 (ORCPT ); Tue, 8 Aug 2023 12:01:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34366 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231472AbjHHP7f (ORCPT ); Tue, 8 Aug 2023 11:59:35 -0400 Received: from TWMBX03.aspeed.com (mail.aspeedtech.com [211.20.114.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0007661B1; Tue, 8 Aug 2023 08:44:32 -0700 (PDT) Received: from TWMBX02.aspeed.com (192.168.0.24) by TWMBX03.aspeed.com (192.168.0.62) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 8 Aug 2023 23:42:45 +0800 Received: from localhost.localdomain (192.168.10.10) by TWMBX02.aspeed.com (192.168.0.24) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 8 Aug 2023 23:42:45 +0800 From: Dylan Hung To: , , , , , , , , , , , , CC: , Subject: [PATCH 3/3] i3c: ast2600: Add reset deassertion for global registers Date: Tue, 8 Aug 2023 23:42:41 +0800 Message-ID: <20230808154241.749641-4-dylan_hung@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230808154241.749641-1-dylan_hung@aspeedtech.com> References: <20230808154241.749641-1-dylan_hung@aspeedtech.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add missing reset deassertion of the I3C global control registers. Signed-off-by: Dylan Hung --- drivers/i3c/master/ast2600-i3c-master.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/i3c/master/ast2600-i3c-master.c b/drivers/i3c/master/a= st2600-i3c-master.c index 09ed19d489e9..5d9d060134e0 100644 --- a/drivers/i3c/master/ast2600-i3c-master.c +++ b/drivers/i3c/master/ast2600-i3c-master.c @@ -11,6 +11,7 @@ #include #include #include +#include =20 #include "dw-i3c-master.h" =20 @@ -128,6 +129,7 @@ static int ast2600_i3c_probe(struct platform_device *pd= ev) struct device_node *np =3D pdev->dev.of_node; struct of_phandle_args gspec; struct ast2600_i3c *i3c; + struct reset_control *rst; int rc; =20 i3c =3D devm_kzalloc(&pdev->dev, sizeof(*i3c), GFP_KERNEL); @@ -156,6 +158,13 @@ static int ast2600_i3c_probe(struct platform_device *p= dev) dev_err(&pdev->dev, "invalid sda-pullup value %d\n", i3c->sda_pullup); =20 + rst =3D devm_reset_control_get_shared(&pdev->dev, "global_rst"); + if (IS_ERR(rst)) { + dev_err(&pdev->dev, "missing of invalid reset entry"); + return PTR_ERR(rst); + } + reset_control_deassert(rst); + i3c->dw.platform_ops =3D &ast2600_i3c_ops; i3c->dw.ibi_capable =3D true; return dw_i3c_common_probe(&i3c->dw, pdev); --=20 2.25.1