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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 C3F2EC2BA19 for ; Wed, 15 Apr 2020 13:18:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9FCCC20737 for ; Wed, 15 Apr 2020 13:18:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586956690; bh=KYVbrnZQ7AJD/sDVMLkUCoghFt+lMHOAtPcsirwNruA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=FCgfGM3oBWJ1ikTjg2zk36nSGEQ0qup8Du6TwPW7EVLLPtXxTH7fq6qEtVt0onqSo GHs/AwNlOVtfzxelO4C8sk2XiL+A22pxZOQF+x3z6fNyQTI8mUuuhwZlbjmjxDHCt8 eYlsBW7DKuXtwQBnZ4v+tpEX2fl+nRGWOIxr8ffI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2898282AbgDONSH (ORCPT ); Wed, 15 Apr 2020 09:18:07 -0400 Received: from mail.kernel.org ([198.145.29.99]:54332 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2897023AbgDOLfH (ORCPT ); Wed, 15 Apr 2020 07:35:07 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8DAE720737; Wed, 15 Apr 2020 11:35:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586950507; bh=KYVbrnZQ7AJD/sDVMLkUCoghFt+lMHOAtPcsirwNruA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Prjyj7l3xruxhM6RL78CqDas1WmxzHzeRx/DURClwHMUri2xL0/NhAsNP0sBn9ctH aSFOoXuq+huekZjnW8EoMr+bfoo4tGYAK6T/yqUshm+FgDC7o2QpO2jAPfa0Nolbpp RH5TmCGa86BKO2YqzTGBDy0ZTDvl6dApna0oWQYI= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Dmitry Osipenko , Thierry Reding , Sasha Levin , linux-tegra@vger.kernel.org Subject: [PATCH AUTOSEL 5.6 018/129] memory: tegra: Correct debugfs clk rate-range on Tegra20 Date: Wed, 15 Apr 2020 07:32:53 -0400 Message-Id: <20200415113445.11881-18-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200415113445.11881-1-sashal@kernel.org> References: <20200415113445.11881-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dmitry Osipenko [ Upstream commit 2243af41115d0e36e6414df6dd2a0386e022d9f8 ] Correctly set clk rate-range if number of available timings is zero. This fixes noisy "invalid range [4294967295, 0]" error messages during boot. Fixes: 8209eefa3d37 ("memory: tegra: Implement EMC debugfs interface on Tegra20") Signed-off-by: Dmitry Osipenko Signed-off-by: Thierry Reding Signed-off-by: Sasha Levin --- drivers/memory/tegra/tegra20-emc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c index 8ae474d9bfb90..b16715e9515d0 100644 --- a/drivers/memory/tegra/tegra20-emc.c +++ b/drivers/memory/tegra/tegra20-emc.c @@ -628,6 +628,11 @@ static void tegra_emc_debugfs_init(struct tegra_emc *emc) emc->debugfs.max_rate = emc->timings[i].rate; } + if (!emc->num_timings) { + emc->debugfs.min_rate = clk_get_rate(emc->clk); + emc->debugfs.max_rate = emc->debugfs.min_rate; + } + err = clk_set_rate_range(emc->clk, emc->debugfs.min_rate, emc->debugfs.max_rate); if (err < 0) { -- 2.20.1