From nobody Wed Dec 17 09:18:00 2025 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 383A0EE49A3 for ; Tue, 22 Aug 2023 05:19:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232728AbjHVFTx (ORCPT ); Tue, 22 Aug 2023 01:19:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55636 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230418AbjHVFTv (ORCPT ); Tue, 22 Aug 2023 01:19:51 -0400 Received: from mail-yw1-x1149.google.com (mail-yw1-x1149.google.com [IPv6:2607:f8b0:4864:20::1149]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C5958DB for ; Mon, 21 Aug 2023 22:19:49 -0700 (PDT) Received: by mail-yw1-x1149.google.com with SMTP id 00721157ae682-58c8b2d6784so60234587b3.3 for ; Mon, 21 Aug 2023 22:19:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1692681589; x=1693286389; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=xunZavdtzjWt01wC1liiJk4wBcvrULtLqNfhy014qNU=; b=rkHhc7WKUcOMHjlY8RyBSC2krnfGkUy//kcCShbQusjC8mAbLwFKsyXNJ5l2WO7HIj 3VBSMt+T/NHvQnUR8vT7mFZRKE+VqRQFbkZ/iXnps8N6z8kOtDmpCHICT+wgzkyMIIo5 HG1TMbKY+SH7A7inrcpi2K7fvCG4FgwGMTZfIQuwCRf+rAcCWeaDh8uyPfyMaVRjU1io QE+D+k9QNdp6oOH0kPFc6z+61zTOSMa6riIQO92/8+6yDOH0+p06JA/52GL6wBsyXfBd T4jsI4MuZYG1METEP/nKOleTx7YeQwaCfbbvmUL71Uh9kMXUOee0dz6Tv+lp2IuoLXT3 1jQQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692681589; x=1693286389; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=xunZavdtzjWt01wC1liiJk4wBcvrULtLqNfhy014qNU=; b=G/3gM+plM0o7H1oE+34kfEiZA0z/3nJS4nEEoeQLe22YrOoI5hfdrwBzdClabJg94T uY1790+Os3vy3n0a14sIQ0+xtiamZmoDX0xfDe7Q6LRwtTSlSUWQi1KA5Rf+VHEgz5Uf hkdKA0FDgzCv4qkqB8goQE2DouZ4O20Tr1WnS8J/ANW1StJnPkhBjdq0vkOvyPxoqq/A atU5dAQtJhnnF56bq8klWvBcOGdMxLwRx6Hjpd3ks2jPxMRzVswuOuzZ8zAJM/K33xO7 gHjSvKnJol5e5POhCI8cKNZDrtj/KgdoF3yDScGq+GAj8nnRJRdd2+wsH1xwE81oilpI AP1Q== X-Gm-Message-State: AOJu0YxqbnWKCGuzpIYLivev0VzgkYSTvxQXLe//9DwrYt+TNF3gWzIi 560xQI7KAX90FXm1B++klsnsq4XH86h48Yrxyss= X-Google-Smtp-Source: AGHT+IF5G8ksHuUSIQRak/vPBr8Iztca28dWLuc+zQekjuE7jRbspllhQUu6SQDizDotRsqiawmOOK3GhE/WHqTJyoc= X-Received: from anikett.c.googlers.com ([fda3:e722:ac3:cc00:4f:4b78:c0a8:2551]) (user=aniketmaurya job=sendgmr) by 2002:a25:41c1:0:b0:d4f:638b:d806 with SMTP id o184-20020a2541c1000000b00d4f638bd806mr71733yba.8.1692681589061; Mon, 21 Aug 2023 22:19:49 -0700 (PDT) Date: Tue, 22 Aug 2023 05:19:38 +0000 Mime-Version: 1.0 X-Mailer: git-send-email 2.42.0.rc1.204.g551eb34607-goog Message-ID: <20230822051938.2852567-1-aniketmaurya@google.com> Subject: [PATCH] i3c: master: Fix SETDASA process From: Aniket To: Alexandre Belloni Cc: linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org, joychakr@google.com, manugautam@google.com, Aniket Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" When a I3C DT node has a static_addr and an init_dyn_addr,the init_dyn_addr is reserved in i3c_master_bus_init() and then the static_addr is reserved in i3c_master_early_i3c_dev_add(). But if the dynamic address is same as static then above procedure would fail. Add a check to pass i3c_bus_get_addr_slot_status() when static and dynamic address are equal. Signed-off-by: Aniket --- drivers/i3c/master.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c index 08aeb69a7800..87283e4a4607 100644 --- a/drivers/i3c/master.c +++ b/drivers/i3c/master.c @@ -1308,7 +1308,11 @@ static int i3c_master_get_i3c_addrs(struct i3c_dev_d= esc *dev) if (dev->info.static_addr) { status =3D i3c_bus_get_addr_slot_status(&master->bus, dev->info.static_addr); - if (status !=3D I3C_ADDR_SLOT_FREE) + /* Since static address and assigned dynamic address can be + * equal, allow this case to pass. + */ + if (status !=3D I3C_ADDR_SLOT_FREE && + dev->info.static_addr !=3D dev->boardinfo->init_dyn_addr) return -EBUSY; =20 i3c_bus_set_addr_slot_status(&master->bus, --=20 2.42.0.rc1.204.g551eb34607-goog