From patchwork Mon Aug 2 22:13:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 12414891 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 975D2C4338F for ; Mon, 2 Aug 2021 22:13:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6AF4F61029 for ; Mon, 2 Aug 2021 22:13:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232111AbhHBWOB (ORCPT ); Mon, 2 Aug 2021 18:14:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51970 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232006AbhHBWOA (ORCPT ); Mon, 2 Aug 2021 18:14:00 -0400 Received: from mail-lf1-x133.google.com (mail-lf1-x133.google.com [IPv6:2a00:1450:4864:20::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 234CDC06175F; Mon, 2 Aug 2021 15:13:50 -0700 (PDT) Received: by mail-lf1-x133.google.com with SMTP id b6so13606026lff.10; Mon, 02 Aug 2021 15:13:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=zTbtTeGMZ/VuLuFz8YHm5zAulKED+PIDxcJPdSaYy1A=; b=T38CTxzx9veawl0upAiLeh4Htr/ULbKZCBqlNQgBB52VfQ4ldDYUV4J+SXIOV3FBhg liAYCpjAx0ncSKiE6tw4XSua86FlSwJW2S+3txfT4OnPG6NdAw8WHtYp9aCB5enwyhE0 uN3yZqe7ZYW6ObY6baJbDwHCfNvFHK4r93EmO6f2Y8Dr9Fl1Et63OonxFkaqZh6GKF7m ZZqsPLROcj0BV9rtOcnj41goYqMsmCuHhauvjqPa96PitoJ4bSM2/TddGvbNq79V0TFq AfuPKLpttNZVlay6gwj5dkKLe4Hau49gP+TLxunEctl9JpputYNNSbQ7oeo2eK/EPE8w UYtA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=zTbtTeGMZ/VuLuFz8YHm5zAulKED+PIDxcJPdSaYy1A=; b=pGjg+UPGwCu61dR2ZgsqjuKztBsFHKLEx80hn+wnRyUY43PDL/35V0jmSCy3LtYYXc F2w4aKLFH0PJTVNYN1FyT97UBQ5y8IXdUC299ZPlwiaVHElgfuJYfMXSwMJGaVPmJNj6 ZcKHYuWcwFapEdhVv9e0iTsXoEh5pvvzYsBvc7LrLdLfDjt/WEkT6PXSguj8lhRznw0N 5l+g6gc8/KFQFK2wz+3YKkRKcfyi6+sk7Oko388c32x04qMUOhVhh2w0ONUMk5xruMu3 meBe6KRBoBPyo7mD21aFgUZWj1abnJpcz/k/d1j2+jMtu3YXPKtBrWDvC9KQlKgf4hA/ Rj3g== X-Gm-Message-State: AOAM5326vzmpoUw4CFHJS3CIDyjf3bDHgjoK9J6hzsDrYPYa05+3B5tR F6Cc//8r93SQ1axeb7ko04I= X-Google-Smtp-Source: ABdhPJygK7r9LhuLEHcQv8Tc0kY5ttYHMPHffHqrds86rWD05ZFT76UekV/n02g2LBijJhXgvdSaFg== X-Received: by 2002:ac2:5471:: with SMTP id e17mr8706132lfn.216.1627942428564; Mon, 02 Aug 2021 15:13:48 -0700 (PDT) Received: from localhost.localdomain (94-29-22-96.dynamic.spd-mgts.ru. [94.29.22.96]) by smtp.gmail.com with ESMTPSA id c10sm960167ljn.11.2021.08.02.15.13.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Aug 2021 15:13:48 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Peter De Schrijver , Prashant Gaikwad , Michael Turquette , Stephen Boyd Cc: linux-tegra@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 1/4] soc/tegra: fuse: Clear fuse->clk on driver probe failure Date: Tue, 3 Aug 2021 01:13:33 +0300 Message-Id: <20210802221336.32016-2-digetx@gmail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210802221336.32016-1-digetx@gmail.com> References: <20210802221336.32016-1-digetx@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org The fuse->clk must be cleared if FUSE driver fails to probe, otherwise tegra_fuse_readl() will crash. It's unlikely to happen in practice, nevertheless let's correct it for completeness. Signed-off-by: Dmitry Osipenko --- drivers/soc/tegra/fuse/fuse-tegra.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c index 3d9da3d359da..2434c570b53c 100644 --- a/drivers/soc/tegra/fuse/fuse-tegra.c +++ b/drivers/soc/tegra/fuse/fuse-tegra.c @@ -246,6 +246,7 @@ static int tegra_fuse_probe(struct platform_device *pdev) return 0; restore: + fuse->clk = NULL; fuse->base = base; return err; }