From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.zeus03.de (zeus03.de [194.117.254.33]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 98CBC1D6DB5 for ; Thu, 21 Aug 2025 09:49:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=194.117.254.33 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755769750; cv=none; b=jckikm6hJUPZyRo47M5u9D4g+jTViUxwmc33W5YGHRaF5oI1cc/2rOJ4OGt882QNfN2drbjGclHYHWVXDOSslXKFRHVEtJzO/si+TiJYaoFrWhmXdFYiU1mWFfQ7MENjsv0B+ghD4TPI/iONH+8c3Qv9qY25dj1O0bu4xco+WAQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755769750; c=relaxed/simple; bh=UX8vDrYP9J43R0NqZ59BYrJtyCp/7fRNdMeiXHHFz+g=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ev1l+zJU+RCOOhgxRobWKOpBlH2G4TVdly7Tf89QyLGnWNAtyHnCBV8SAzir7OCX1hrvW7w2OtbaHYvTNW5UpRMS+LmIxAYAy/O+Kd/DFxaklAOJDk6XwKcriKFkmqohLd9RgatKv34diTQLyZo4B0U+OdY5d6sSqIYldjvx/OA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com; spf=pass smtp.mailfrom=sang-engineering.com; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b=KYbIUPfl; arc=none smtp.client-ip=194.117.254.33 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b="KYbIUPfl" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to; s=k1; bh=i8vF pk8TmmV+YC6PJkN1DrzCRj0bWcV7pvsCKuGxNPc=; b=KYbIUPfl6I5BcGIuIK7R otIvCUUJCkASuxN9fN2kCEtTfrHn6VWQ5rKbM45CrqMdryGkp8eSBf26NCwSo5L8 UooYzaW5jl2V/iNOQaoGaY5BstdPdDCAts9Utk7OP2prFX6ErNmvbelkf30262rg tRodVPpvoSaqq2ujSgyK/txpy+vSc+fklzcNaNpr2FcRCa0Ej979X5HyWOBbQd0t KfoLXy/L4L8zrnO2nkgjpftqgrYAqORgXuvgpPtFWM22A6vEm3p2o/9+LWIAHA9b OZPIO8Rrhdi42i0XXToT62WWzNPB/Gvu5PKmrtWWvhtGovWLH1c8+/WqcmnB5jqX +g== Received: (qmail 3463209 invoked from network); 21 Aug 2025 11:49:04 +0200 Received: by mail.zeus03.de with UTF8SMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 21 Aug 2025 11:49:04 +0200 X-UD-Smtp-Session: l3s3148p1@mUTp/9w8mKrUtcd1 Date: Thu, 21 Aug 2025 11:49:01 +0200 From: Wolfram Sang To: Biju Das Cc: Ulf Hansson , linux-mmc@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Geert Uytterhoeven , Prabhakar Mahadev Lad , Biju Das Subject: Re: [PATCH RFT] mmc: host: renesas_sdhi: Fix the actual clock Message-ID: References: <20250629203859.170850-1-biju.das.jz@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="yD+fujFlbOdfoXZG" Content-Disposition: inline In-Reply-To: <20250629203859.170850-1-biju.das.jz@bp.renesas.com> --yD+fujFlbOdfoXZG Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Jun 29, 2025 at 09:38:56PM +0100, Biju Das wrote: > Wrong actual clock reported, if the SD clock division ratio is other > than 1:1(bits DIV[7:0] in SD_CLK_CTRL are set to 11111111). >=20 > On high speed mode, cat /sys/kernel/debug/mmc1/ios > Without the patch: > clock: 50000000 Hz > actual clock: 200000000 Hz >=20 > After the fix: > clock: 50000000 Hz > actual clock: 50000000 Hz >=20 > Signed-off-by: Biju Das Reviewed-by: Wolfram Sang Tested-by: Wolfram Sang --yD+fujFlbOdfoXZG Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmim640ACgkQFA3kzBSg Kbbr3w/9FfBjqWBpWAJFW0Sptv0CXrGqsLUKy6Z5qtC+oqL/K+RekSS/d//NYC+z FqkQIQ/q3vjiz8EtJP5sYqFE3VCFhyhUlsDGf11qsk3RxyysHUa+6j62t5mx0JmZ 5IogXFh74ZcT0gREQyAeNcCV1uC1GlDwpR/z2Npfd7wJx33ap3bSdDhMefl6e4Lf iqaQ9OMRGTj5zPJc0WrLtU1t2ALdCu5CjgB1gxuH2NP2vVvskTihQxVThuMEm6ZC CCutOzTz7bVirVo1TLI8pdQ3T6jiO6lmxhSJlCqrGzKF9Fzh9/d6IYt1Vhhuw2hD zQdz3SIbXK9DHbc24BwQjQGAIaJXwaHwjQ4gxO6V6E+Gm9aw1+NMkOoLHI1yBE9d 0bJueGrfdDvgUTdilXvQq663El9NKv64tNXZHlW+ohssG3XXHC7XSeP7RsJVgfkr EEQ3D/ZiKEcGUS0XcxG0NZq9MCYpJjTl9tQR/f5CcKC4GWvxaqMmrTl9eFK9bZ77 okVtPFPWUfctm47dMUGC6uzA9CD2K/sPcZUQ3f2PWtqyRvXeZV9ghJhbI+eJNYqa mr/Z8N+HK1CQTphEMQk6sW1vMc8pv0pelXi5QNN/x7DrN4MIikza0a97oCMYZxmE QqUqYxv77upSa4g3WJFY7A8xRol8htAUWcJfPR8A7pw5tFoUyeI= =C2nU -----END PGP SIGNATURE----- --yD+fujFlbOdfoXZG--