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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D00C5C5479D for ; Wed, 28 Dec 2022 15:33:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233403AbiL1Pc7 (ORCPT ); Wed, 28 Dec 2022 10:32:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49726 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233959AbiL1Pce (ORCPT ); Wed, 28 Dec 2022 10:32:34 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D13B915F1D for ; Wed, 28 Dec 2022 07:32:32 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 6C5F361553 for ; Wed, 28 Dec 2022 15:32:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7D69CC433EF; Wed, 28 Dec 2022 15:32:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672241551; bh=qTmgKyPShOgg+gT/dnV3qY/Twr1ZaxTcWID7DRnbNOo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qgDxBYbiIilD4dLTw3OGb0RbIXfZWbZTlpR61ekY+ZywnmbIEmo4DFRJsvPmNrtXu 9SAll1R0Y1a54m3zB4rQxYbvyJq5L3smC35o0WoatpVhokz6jyVlWj9hNx89KNdQkx UMzNEcll93y7duqIfmMzUWz2+BoloXCGCUxJ+Xhg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Geert Uytterhoeven , Wolfram Sang , Sasha Levin Subject: [PATCH 6.0 0297/1073] clk: renesas: r8a779f0: Fix SCIF parent clocks Date: Wed, 28 Dec 2022 15:31:25 +0100 Message-Id: <20221228144336.080239886@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221228144328.162723588@linuxfoundation.org> References: <20221228144328.162723588@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Wolfram Sang [ Upstream commit 2e0d7d3eabce3babae1fd66d7650e00c848a3b45 ] As serial communication requires a clean clock signal, the Serial Communication Interfaces with FIFO (SCIF) are clocked by a clock that is not affected by Spread Spectrum or Fractional Multiplication. Hence change the parent clocks for the SCIF modules from the S0D12_PER clock to the SASYNCPERD4 clock (which has the same clock rate), cfr. R-Car S4-8 Hardware User's Manual rev. 0.81. Fixes: 24aaff6a6ce4 ("clk: renesas: cpg-mssr: Add support for R-Car S4-8") Reported-by: Geert Uytterhoeven Signed-off-by: Wolfram Sang Link: https://lore.kernel.org/r/20221103143440.46449-3-wsa+renesas@sang-engineering.com Signed-off-by: Geert Uytterhoeven Signed-off-by: Sasha Levin --- drivers/clk/renesas/r8a779f0-cpg-mssr.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/clk/renesas/r8a779f0-cpg-mssr.c b/drivers/clk/renesas/r8a779f0-cpg-mssr.c index 90cac3f8b2ed..b7936f422c27 100644 --- a/drivers/clk/renesas/r8a779f0-cpg-mssr.c +++ b/drivers/clk/renesas/r8a779f0-cpg-mssr.c @@ -132,10 +132,10 @@ static const struct mssr_mod_clk r8a779f0_mod_clks[] __initconst = { DEF_MOD("i2c5", 523, R8A779F0_CLK_S0D6_PER), DEF_MOD("pcie0", 624, R8A779F0_CLK_S0D2), DEF_MOD("pcie1", 625, R8A779F0_CLK_S0D2), - DEF_MOD("scif0", 702, R8A779F0_CLK_S0D12_PER), - DEF_MOD("scif1", 703, R8A779F0_CLK_S0D12_PER), - DEF_MOD("scif3", 704, R8A779F0_CLK_S0D12_PER), - DEF_MOD("scif4", 705, R8A779F0_CLK_S0D12_PER), + DEF_MOD("scif0", 702, R8A779F0_CLK_SASYNCPERD4), + DEF_MOD("scif1", 703, R8A779F0_CLK_SASYNCPERD4), + DEF_MOD("scif3", 704, R8A779F0_CLK_SASYNCPERD4), + DEF_MOD("scif4", 705, R8A779F0_CLK_SASYNCPERD4), DEF_MOD("sdhi0", 706, R8A779F0_CLK_SD0), DEF_MOD("sys-dmac0", 709, R8A779F0_CLK_S0D3_PER), DEF_MOD("sys-dmac1", 710, R8A779F0_CLK_S0D3_PER), -- 2.35.1