From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: [PATCH AUTOSEL 5.6 019/129] memory: tegra: Correct debugfs clk rate-range on Tegra30 Date: Wed, 15 Apr 2020 07:32:54 -0400 Message-ID: <20200415113445.11881-19-sashal@kernel.org> References: <20200415113445.11881-1-sashal@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20200415113445.11881-1-sashal-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Dmitry Osipenko , Thierry Reding , Sasha Levin , linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-tegra@vger.kernel.org From: Dmitry Osipenko [ Upstream commit a53670e1a734ba56fac84cf2b93b838bd4a6b835 ] Correctly set clk rate-range if number of available timings is zero. This fixes noisy "invalid range [4294967295, 0]" error messages during boot. Fixes: 8cee32b40040 ("memory: tegra: Implement EMC debugfs interface on Tegra30") Signed-off-by: Dmitry Osipenko Signed-off-by: Thierry Reding Signed-off-by: Sasha Levin --- drivers/memory/tegra/tegra30-emc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/memory/tegra/tegra30-emc.c b/drivers/memory/tegra/tegra30-emc.c index e3efd9529506e..b42bdb667e853 100644 --- a/drivers/memory/tegra/tegra30-emc.c +++ b/drivers/memory/tegra/tegra30-emc.c @@ -1256,6 +1256,11 @@ 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 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 E18ACC2BA19 for ; Wed, 15 Apr 2020 13:17:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B093120575 for ; Wed, 15 Apr 2020 13:17:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586956673; bh=vWk7gWqHU/rr1AfSECvbX+1y/08BdStuBe2bUqRvfl4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=LzDBCvglNAqxcPwLI9wZsDkBtE7xqAqYLZXKvSzRLp/cP28ERgwhY3E8tPjPZaUcj 6y2OkR/dxdgntMu7oPtsEyAhXdPQFbPtKhG9Sl6yAX4ta4o15WPBpDX0sI9v282a/w jOCdBPFXomS9c8I80ks0WIVPjuMDP68P1qHjixMY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2506272AbgDONRv (ORCPT ); Wed, 15 Apr 2020 09:17:51 -0400 Received: from mail.kernel.org ([198.145.29.99]:54652 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2897024AbgDOLfI (ORCPT ); Wed, 15 Apr 2020 07:35:08 -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 97C6B2078A; Wed, 15 Apr 2020 11:35:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586950508; bh=vWk7gWqHU/rr1AfSECvbX+1y/08BdStuBe2bUqRvfl4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sX0UMu/D+IbuSSaW0FqEWvDktfXuEuQAWyqvxQRCklUDYo2kqr5l+WebxTBRUzWlY GzJ1AnjgGl9I28FJuK3Dwug9xKQb18ZxWDkO5MTBcNkDyqBqOU9E3QqB1TkOTBsCX8 evsbNsQ3msJYmRG255ee+Tur9UkpKC3ZXMrAf5eM= 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 5.6 019/129] memory: tegra: Correct debugfs clk rate-range on Tegra30 Date: Wed, 15 Apr 2020 07:32:54 -0400 Message-Id: <20200415113445.11881-19-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 a53670e1a734ba56fac84cf2b93b838bd4a6b835 ] Correctly set clk rate-range if number of available timings is zero. This fixes noisy "invalid range [4294967295, 0]" error messages during boot. Fixes: 8cee32b40040 ("memory: tegra: Implement EMC debugfs interface on Tegra30") Signed-off-by: Dmitry Osipenko Signed-off-by: Thierry Reding Signed-off-by: Sasha Levin --- drivers/memory/tegra/tegra30-emc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/memory/tegra/tegra30-emc.c b/drivers/memory/tegra/tegra30-emc.c index e3efd9529506e..b42bdb667e853 100644 --- a/drivers/memory/tegra/tegra30-emc.c +++ b/drivers/memory/tegra/tegra30-emc.c @@ -1256,6 +1256,11 @@ 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