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 800D61DD0C7 for ; Mon, 22 Sep 2025 14:23:40 +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=1758551022; cv=none; b=gqTJnFlG6RujxQnO/Vb3Q+aDoGzVGLZTf5QZLD5Q2McS69W/xoajBh0v1+NWenoX2Z1ryuHu8zihhUMUHoVXQlhzH8wc/pFrodhu3qqVrUlnwhbJxyI3HrD+WHz9rDNpPkgGTswEDjQgJRSjCJyszM4KCSSZMGrUMuOe3+4W8QA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758551022; c=relaxed/simple; bh=YJhroftolpyyHXdNnrVgkuQJol/kFCNmyqTziB6Ormo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=u+HNVqbR6NEM3GQLrIka3G5+b1jXFSbz6LnqI/vS23fRbeOHczCqlLfXDLPxoDXtjxmufxPH+JFR7mDaHikLuWHDNq117o0DHz/C3Lifiyf/f6IZrW8uAkbcTrRQcQLifQoWoF2Es5F1VGMJj2vSaIL+7bS5HW3yi91Wa8n7i+0= 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=I2G3SdfR; 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="I2G3SdfR" 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=YJhr oftolpyyHXdNnrVgkuQJol/kFCNmyqTziB6Ormo=; b=I2G3SdfRIBHHOYxI1+A0 LGrtADt4g3CoEQhGuNTKTVO21NxC3a/7gdhYWlG0LsoXBNk4pxS0VvsjOzSjiJiJ eCmJrTCT9VP7j77H32vN7xKadn7qvntmoPv+fZUUTpqc2kYe5WGdVo5vJYBel0Bm OocDDU+N3q1knmhQ8e7MS7+1AcWGFnIscaGDs5hJipF3UNTFQr2WZtSwJAnpqPGT f0heakLKfU2fm00WLwlgiuaiaAMSUu+AIMVJCo5tyS0+Xxz/dPx7AazJOEbt0MML 2fKYlbMLEn7pLyGorTSnvUT+Lc+3z6dkiOWCBgyTpaZnFbe+w+r7k8NZjVkbMWbK Pw== Received: (qmail 760478 invoked from network); 22 Sep 2025 16:23:38 +0200 Received: by mail.zeus03.de with UTF8SMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 22 Sep 2025 16:23:38 +0200 X-UD-Smtp-Session: l3s3148p1@xSi/kGQ/CKkgAwDPXwQHAL/S9V79e5yL Date: Mon, 22 Sep 2025 16:23:37 +0200 From: Wolfram Sang To: Geert Uytterhoeven Cc: Marek Vasut , "Lad, Prabhakar" , linux-clk@vger.kernel.org, Michael Turquette , Stephen Boyd , linux-renesas-soc@vger.kernel.org Subject: Re: [PATCH] clk: renesas: cpg-mssr: Read back reset registers to assure values latched Message-ID: References: <20250918030723.331634-1-marek.vasut+renesas@mailbox.org> <353db156-e518-49c8-96ac-bd138ee64a01@mailbox.org> <9dbc6022-eb97-49af-bda7-1a7a8069609a@mailbox.org> Precedence: bulk X-Mailing-List: linux-clk@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="eAoN4ABADDPrhkGz" Content-Disposition: inline In-Reply-To: --eAoN4ABADDPrhkGz Content-Type: text/plain; charset=us-ascii Content-Disposition: inline > Can you trigger an issue by removing the polling, and does Marek's > patch fix it? IIRC not with I2C, but SHDI needs this as well and there it surely happened during development a few years ago. I need to work on SDHI soon anyhow, I will see if I can reproduce it. --eAoN4ABADDPrhkGz Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmjRW+kACgkQFA3kzBSg KbZrKg//euqoUL2fhKnfmNEvryG9/r8fVj9/TiS0wP69RLDYKXGWprKukKA6slVD wPzmHQDqa84URy3nCoYCxiPwvMXae7ly/zvJ8XCfx77XEEmQXg24fg2IJtpClyIg szX45QxkPm6k8WvvGkc8mQC7pOM+KAA8z6RrcXtl/SQGfyBhkAvDNUe2SyBoNpDX z7Hes1wYdeTQeDQJJKZIUZhjQId2eQ8Zrr9Q+34JWLYsDSQcCIHlEHAUP2VJsoPW FpNXzWZxSFVUDnzVJQ55Q8/wmRcs/qp8vKBnVNEdamd/7fxDyksAfTSaHC/xzj0E c3D1INAFXYH896XwPzrRYQE7MuLel6dEP4w8huG/n1ja6wQPAFp5RcnclsF+mFze WOtco05/hbXZoz5BjFvOv2zpSi3YXZbrRAJ1+YNt5oxSiAB7afSI0431iN6komq7 805gNfjvbfkEq0YSMDXiyyjq6+1gQPdZCthxxoRTy7OLtQx6KL52AbXxPDRkJN6r 0B/Vu9vyXePphxw9Dq/aCfbl24MV/sNL9LFWNlZE+CGIX0pB9piZjF/zoyjBDyPO 06BttsKdwl1F2NX/I06ZNCLHop9KCd7F6qRgjJeCN8WZIjr5tYqqxD3YUOLzh+2W hCtMRJliVJFjDTI7jB41auWvciL1PLJ4WBeQD1d4IlYfrWYXIPs= =CZXv -----END PGP SIGNATURE----- --eAoN4ABADDPrhkGz--