From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=194.117.254.33 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792663129; b=KG0OwRl3VAkwbmdT8n+jkIAth54POVGNeJQB30sXZKTwb/dTHmL+Z3vKnSQJIndEv+1n bL3z58JowUcCoWuHG3Z3Zj1/mpQWr10N7dvrczBVMtO1VfnGBi77gFaaEyAnQovhgvDmn k6+aXRdoXFrHMTIRvkepXBmn29zfgNk1dFCZcv5N/9w3QYpE4zeJjUWLZRHBnMBcAKBhw CpWeFtpngJlFQVr97URl0ZMZivUY5FOShJWiuc+jwE040jfdyYqDSFhFYJHt3bJ4VG/wV GIyij4LHgvRWnJYAERM2dy0L7oPrwQdY9k4f0hwBzdyJH6hxN38NkaHvhcshScMJBSw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792663129; h=DMARC-Filter:DKIM-Signature:Received:Received:X-UD-Smtp-Session:Date: From:To:Cc:Subject:Message-ID:References:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; bh=zI/Avxi1+u+wYsWO55uH2d8mbN45ZGvy+SEZu2RrbOA=; b=Dx8q5QLp0xLsvVFhPzMSevKdvWEUW8le191tA2riJBNAgkPsR7grjQPleGHheKgAf5Yo xQ4QydjVmgCf80zWs8dekf1glefT0QBPxrSPdf5qLPRB6MZ+mQVU6mkdFXkvpqqyMI4aX F6ZRKA8y2VN4dIqXl7+OizdtNcSu5phv/okoce8C3+SUygtKOUjSwJnU7rgutzcdFajPg E0+wpTZs09je0g7LScM5GbxN3f7bRHuIncfvF9qfOgYMQdauMH/elyuH8AkG/EbvmQ5h/ nA4MWmDGpt2G1AH/WndDMx4qstv+STEFo2Wo4QXTIjl72+cEcn2O6FPcK2GEOIPvDIQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none header.from=sang-engineering.com; spf=pass smtp.mailfrom=sang-engineering.com; dkim=pass header.d=sang-engineering.com header.i=@sang-engineering.com header.a=rsa-sha256 header.s=k1 header.b=EmRR2igZ; arc=none smtp.remote-ip=194.117.254.33 Received: from mail.zeus03.de (zeus03.de [194.117.254.33]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9E28B606A31E for ; Thu, 22 Oct 2026 09:58:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 9E28B606A31E 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, unprotected) header.d=sang-engineering.com header.i=@sang-engineering.com header.a=rsa-sha256 header.s=k1 header.b=EmRR2igZ 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=zI/A vxi1+u+wYsWO55uH2d8mbN45ZGvy+SEZu2RrbOA=; b=EmRR2igZoRtiK64J+yWM L8b40xFWg4OkdiEnJJxzsQ+28LSV34UeZ2rnkgt+bPWbt4Ikz3K+xLDNo3AmbVQe W+JYlRWbGoO+DPyN6p9JEpgyiLj0WKLgyFR/+9h9LLFqBYHAAMuPkklAEtPxh0GS Hu+VoM8+sLvoP70CCfeRC22bZx0L1AIzfTWslk+Naa1QDuePKwPjnV+NHLWYFkAd 2pTMRCg1xv4clOZalUN4du1iOYJ4yBjkF23Af2Xi7o/MPGctfXsxBEUvVlgjdiSZ oQEV03S7rdrvViVaTbVJpaK7zhzwktB63nD5rm0oti1MwYRoA5r17UKniyC62JLs Zg== Received: (qmail 1096776 invoked from network); 22 Oct 2026 11:58:45 +0200 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 22 Oct 2026 11:58:45 +0200 X-UD-Smtp-Session: l3s3148p1@aR/B6GpeKOYujns/ Date: Thu, 22 Oct 2026 11:58:44 +0200 From: wsa+renesas To: Biju Das Cc: "biju.das.au" , Ulf Hansson , "linux-mmc@vger.kernel.org" , "linux-renesas-soc@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Geert Uytterhoeven , Prabhakar Mahadev Lad Subject: Re: [PATCH v24 10/15] mmc: renesas_sdhi: Add write32_hook for CTL_SD_CARD_CLK_CTL register writes Message-ID: References: <20260820171657.62815-1-biju.das.jz@bp.renesas.com> <20260820171657.62815-11-biju.das.jz@bp.renesas.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="AX2ahRsx66rUrkGg" Content-Disposition: inline In-Reply-To: --AX2ahRsx66rUrkGg Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > > Have you checked that all SoCs handled by this driver support 32-bit ac= cess to this register? >=20 > Only RZ/G3L has bits more than 16-bits for SD_CLK_CTRL, > This patch is a preparatory patch and has no impact on other SoCs. You are right that this is only a preparatory patch and my comment does not really apply here. But whenever SD_CLK_CTRL is accessed later with 32bit width, then we need to check if the platform supports 32-bit writes or if it only supports 16-bit writes. --AX2ahRsx66rUrkGg Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmrZ3k8ACgkQFA3kzBSg KbYJyw/9GIMJOqMX/IA36J7iN+qASBjPMGBFTk3Mc7xWajqJ/TAs6w1K1UGZdsO+ 9tU/KadWE3VEYjRjExS0SFD4SyvXTlTpL3twzmvHkTCVA+kUGgVLVz4abQWQueCO zzgmhQjvYb7olvvioGqVb0TiRVywPrRH/1YM0HmbokzWRm/hVumNUPHpc8mwdiPu ijoCSKgRFsIHgZ3N52z14PDZJrdnkrpUnqRo5wnj7I4DE0VL2neCXqD6wD+BX1lL Tx/sCNI0cy20Lrm6WkcwoXbtETadtMogZe+KxnacS/HGoOQi2RWn2mw4t7AyP94O R41iei4o9dFOugc8w2i/kL2UOfzdu8hGvNcPP+MRkmJFw2CpXKmlrqQ4O95DkY+s Tk6fCFiFzWcDhk+DF8Z0opZ5vRpKlvyhe8fSXIOsXWthIqQDDBiYem3RAad93qsB oHJJVGtad5eBy8Jpd6CzJC3tY69nxrMZBAat3OxfvOEj8WMiPzc45gckMYMNZ3R8 5A4O5r4yB+XkGpboFBbqO5rhUunVuFDrSKfOzx9xrtQBtPPxttGTW9oEp402JfKr WGnGDyZhWwJvMxfGBf5x+MzKaS3tTcLsNWoxAo9TVF7EZwlKxB6YxCBj/nm98BfL J4TvVKbddLhxoKoodqNEiKwBgKZpX9O7DY1hGJX0mAEFDpCE2jE= =5jyQ -----END PGP SIGNATURE----- --AX2ahRsx66rUrkGg--