From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f48.google.com (mail-wm1-f48.google.com [209.85.128.48]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6F8F71F180E for ; Tue, 13 May 2025 07:47:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.48 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747122465; cv=none; b=kY+VHDAHMsjw1EheSV5EQabH6z3ziZWAasHmIsBLFl5N/MU/d8Kw5Nq3dmV+PivVh220yPhjkeQQ6PcQ4RzYMqTLE3QYaUFiGO2mrJ5p8xsgESA2xkR/rSg5X+qcgLfLO1o+lZ8z7yBAVAbhO+crnHVtlmJ2dSHHXW5MumXC1pc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747122465; c=relaxed/simple; bh=24LJEQNBtPANRsvRmA7VhJPkuYyfg6dz5LevvdvxJ1s=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=DyGMRwcbdGx1jsYUSyEDiQozBaYacclnE353kk8a7GASGVWaxYWVfVunVwyoUi3W559xESUIwQ8lQipLieWXB/ICZ4Zr9iZwW1tM0wkMRfpQJanbI/pH6+6xbL2dF7eyo1y+NxnBjuFyR1obm9zZ/RIT8CNf8RKz93glsZiOdYs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com; spf=pass smtp.mailfrom=baylibre.com; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b=vcocX/vp; arc=none smtp.client-ip=209.85.128.48 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=baylibre.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b="vcocX/vp" Received: by mail-wm1-f48.google.com with SMTP id 5b1f17b1804b1-43d0359b1fcso35466915e9.0 for ; Tue, 13 May 2025 00:47:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20230601.gappssmtp.com; s=20230601; t=1747122462; x=1747727262; darn=vger.kernel.org; h=mime-version:message-id:date:user-agent:references:in-reply-to :subject:cc:to:from:from:to:cc:subject:date:message-id:reply-to; bh=2RtKA7NZNuHzBQS6CrTPRAttssEFDmPD1Z8kR1U88AY=; b=vcocX/vpjp8BiwIOfktZn7zPT3sQRvimXQxVQFKwW7SpKPHmz6dFJPKyXQ3d1O34zI CyZKRUcdlUDWQjlmJ6va0KGdloLmKanjgmxedpkTUkCPBRiu9KFh+gA+MXYfgk4FKlUG yZK8UjJcpZ9Lr+5mm0VLMbBrxuTVL6AA/QSkkhsLzmITL+ymveLa0cxhna3M5qbooUEr LmiDyaqAo1UCOgV2omgs0AUFj0stRLaOl/jl4g+s3wUXg8DPou+Jm7Ax48ew+9G5AZ9A eB2jw2ESEqNoiPFPKLMzhf6yW2nXqHocpe6R/0tv1Kia1F7Lo9cUjqB+dBnSlBwjnTh2 FgYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1747122462; x=1747727262; h=mime-version:message-id:date:user-agent:references:in-reply-to :subject:cc:to:from:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=2RtKA7NZNuHzBQS6CrTPRAttssEFDmPD1Z8kR1U88AY=; b=W/6RJTRMdTHmmjpL+3yTnJQGtGKvKNBVZ4rgvM3Yjs5iYi9tjebVhaPGfYrIWrZnND QBdKBZV2rMpqH9Za2GbOY5Ed4p0UU3IM0Pfwiyf7+2/3sjnVsgAhWgNDuvphDMfJk4c0 vz4MyWIzZz3Jd+RUlMNHFJ9eKGTPQunvwlnn4Ts0vVBAiaeVZD7CFKzGVff/z3dV8T4g 5WLfcbBjngjwsIFHUZYnXbDYYNPPxxlNJjgpLXdnrnHQKJ9c6C7UJ5lq8fYBQe7Ayhee LCC6QprkuLMbBvCneZxlfPmCziYYcBx+BQS83XO1sfz9s1IUDsAyHPIdb8PbhaY9hPMB 2OwA== X-Forwarded-Encrypted: i=1; AJvYcCUc5MnWBc1fnzOwA+SHefgOSClqdAmYdRNsszHInDTMrS4NuV6ed4kkCzkt/EKc7AFRPurAxCEGBuFL0ig=@vger.kernel.org X-Gm-Message-State: AOJu0YzoJQMGIeVVra1EL2OfzdaxsJ5lCubfd3tOxoNQvZ7yFWZp3U4x CMgE93ejXmJpEYT5r9zcV2OhUV6AG12zVx+jOYPutGgftx20iCp/3bvbsy9RZzA= X-Gm-Gg: ASbGnctVbf9D24ms8Oxp+r25jZ9HQ6884hHAxjCgwwl3WMkL7c6e9pc53H6wyy0LBe6 pBPSWiBHdJ1rBG3l5MbvXl/4wDRgp0NmqVK0WmeC22oD/OnkBwnprwl5kNeT2dSh75zUJ6aSbXR O7E04HC6Q9sMSRTkLeMiD6Wy41VbETT5gKci7uCq3mqtmNMRAKB6wxl93FVzqFDJ9hhBDJwP1sk f4K1pbFPyDcbZcVxvWZRBahddVQ3hlbErxV0O7bdB2HBuX196Bse/jH1Vv35gYNflrfF0GuHvhh fwJ12Wc83kneQRDQUbdMPP5Y1ZxVmxLMM/tmm41Iync+0H9tw+Q= X-Google-Smtp-Source: AGHT+IFAnCZ6nPY5UPyadmr7YhyYRo5ZU39JgB3mmEwc8mv+oARHGq0H1ti0jbO/TdUIglDMyD/fWQ== X-Received: by 2002:a05:600c:5d6:b0:442:e27c:48da with SMTP id 5b1f17b1804b1-442eacabc61mr13471135e9.8.1747122461595; Tue, 13 May 2025 00:47:41 -0700 (PDT) Received: from localhost ([2a01:e0a:3c5:5fb1:780d:7cd3:15cf:b5d6]) by smtp.gmail.com with UTF8SMTPSA id ffacd0b85a97d-3a1f5a2d30asm15070456f8f.76.2025.05.13.00.47.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 May 2025 00:47:41 -0700 (PDT) From: Jerome Brunet To: Da Xue Cc: Neil Armstrong , Michael Turquette , Stephen Boyd , Kevin Hilman , Martin Blumenstingl , stable@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3] clk: meson-g12a: add missing fclk_div2 to spicc In-Reply-To: <20250512142617.2175291-1-da@libre.computer> (Da Xue's message of "Mon, 12 May 2025 10:26:16 -0400") References: <20250512142617.2175291-1-da@libre.computer> User-Agent: mu4e 1.12.9; emacs 30.1 Date: Tue, 13 May 2025 09:47:40 +0200 Message-ID: <1jecwtymsj.fsf@starbuckisacylon.baylibre.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Mon 12 May 2025 at 10:26, Da Xue wrote: > SPICC is missing fclk_div2 which causes the spicc module to output sclk at > 2.5x the expected rate. Adding the missing fclk_div2 resolves this. I had to re-read that a few times to get the what the actual problem is. If you don't mind, I'll amend the commit message with ''' SPICC is missing fclk_div2, which means fclk_div5 and fclk_div7 indexes are wrong on this clock. This causes the spicc module to output sclk at 2.5x the expected rate when clock index 3 is picked. Adding the missing fclk_div2 resolves this. ''' Is that OK with you Da ? > > Fixes: a18c8e0b7697 ("clk: meson: g12a: add support for the SPICC SCLK Source clocks") > Cc: # 6.1 > Signed-off-by: Da Xue > --- > Changelog: > > v2 -> v3: remove gp0 > v1 -> v2: add Fixes as an older version of the patch was sent as v1 > --- > drivers/clk/meson/g12a.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/clk/meson/g12a.c b/drivers/clk/meson/g12a.c > index 4f92b83965d5a..b72eebd0fa474 100644 > --- a/drivers/clk/meson/g12a.c > +++ b/drivers/clk/meson/g12a.c > @@ -4099,6 +4099,7 @@ static const struct clk_parent_data spicc_sclk_parent_data[] = { > { .hw = &g12a_clk81.hw }, > { .hw = &g12a_fclk_div4.hw }, > { .hw = &g12a_fclk_div3.hw }, > + { .hw = &g12a_fclk_div2.hw }, > { .hw = &g12a_fclk_div5.hw }, > { .hw = &g12a_fclk_div7.hw }, > }; -- Jerome