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=1794393418; b=cxZKQlQg4MmyrysJ6ULHkDMQhQ2HBWlwI70W1MluEQJ4igjQPBJn7krZkeP4nCIK4YZe lNU13fepeNh8lcJJgxPa1k8ZJNnBlh4ctkuVeFHyal54oDL1TJyENMh0xDhUbMZ3rQpvL WAu/RuSHp+D2R31XsyZogAis2BEvnOpfIxGfS+lUSxhxsalfj4vgipA7j0p2Q1fMjw33d 0+UFPweetKQc8pNjTGTA+e28QxtjKOkLCzLmQmbTj0lHTaBWU66gwqeQu5SV+pb4VMkx0 RXp3nFKAf9wK0yiG7gRFqh4buPiXn6yZRcA9tJqsGY+bBHAH17tpym7cQ+ixk8+nGLw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794393418; 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=0Cl5WoUjcRrzelzVze5Dmtzimjol4ZnmowLigCEsvEs=; b=0HnQpl9iRLcXQK28h0ZO66YzPb5GPIzejj1impMklVHkT1nO/vS6i+UZW/doeGgk8fqt EjEtaES8euD/63xF1BLq63QlLCtKwPxDq4qLe0XzEnGaqnvJvQcbphzwWNwSgB5MozrhL mL9XVAJh0AblGU3HOx96/S4k1e0aIGthDfrwM0MtklXuLQAqKDPHbvtJ5e4h6jlfJh9C5 SDMdXvPqCJEThZ8ysC+WdVGJh0dVS1HBP8SBMm5WY1ANNvSusK2hZVkZpXUaQrR0jftob e2pp97ECkK0DT2bSaqrNCKBzp4+59Y2q+lVoJ/yaC8AWDP9qo6I22bc8GS5md0Ttk2A== 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=W4MamTg8; 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 90FBF606A330 for ; Wed, 11 Nov 2026 10:36:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 90FBF606A330 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=W4MamTg8 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=0Cl5 WoUjcRrzelzVze5Dmtzimjol4ZnmowLigCEsvEs=; b=W4MamTg88wwwFHzwHHb+ +DmTh7MNDSJfzuplnnj6Ed4S8X7AEb0yQiBiE5DpbeUx/xv0HEg5AF4O2mZwZ2s3 QPStZCkwPYKbRvEZfAJh+fQdd7FgeTz+vA9PJaqO+tIBZeAQZnmvBUA/hKtiBsKo 3JnnudqELSIul6qzmncnuB2TbCbH7uQIhf+jLpBkYmpxIb+B2TgZIYfx3oCjWCc0 L/s7Fky3Qt3tgpfmgZStcj5v7n+Lh1tEGZwhAoSC9JfGJfr1JXAWiz1OnNeAEwfu 4cr9uCHc5UbAzhu2m+Lq522UgOrKSH0z3Lb1U/7JgFEYJisJQQxBtOWA+fBQcko6 UQ== Received: (qmail 573149 invoked from network); 11 Nov 2026 11:36:55 +0100 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 11 Nov 2026 11:36:55 +0100 X-UD-Smtp-Session: l3s3148p1@kHEZxv1f/sIujnun Date: Wed, 11 Nov 2026 11:36:55 +0100 From: Wolfram Sang To: Biju Das Cc: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , Magnus Damm , Philipp Zabel , linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Biju Das Subject: Re: [PATCH v25 10/11] mmc: renesas_sdhi: Add write32_hook for CTL_SD_CARD_CLK_CTL register writes Message-ID: References: <20261028-rzg3l_sdhi-v25-0-57f16691c2ed@bp.renesas.com> <20261028-rzg3l_sdhi-v25-10-57f16691c2ed@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="ZNml3XNZlLs9ZYLW" Content-Disposition: inline In-Reply-To: <20261028-rzg3l_sdhi-v25-10-57f16691c2ed@bp.renesas.com> --ZNml3XNZlLs9ZYLW Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Oct 28, 2026 at 12:51:27PM +0000, Biju Das wrote: > From: Biju Das >=20 > Add a write32_hook, analogous to the existing write16_hook, so that > sd_ctrl_write32() can wait for the SD bus to become idle before > certain 32-bit register writes. >=20 > renesas_sdhi_write32_hook() checks whether the target register is > CTL_SD_CARD_CLK_CTL and, if so, waits for TMIO_STAT_SCLKDIVEN via > renesas_sdhi_wait_idle() before the write proceeds. Other registers > are unaffected. As with write16_hook, the write is skipped if the > hook returns a non-zero error. >=20 > Signed-off-by: Biju Das Reviewed-by: Wolfram Sang --ZNml3XNZlLs9ZYLW Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmr0RUcACgkQFA3kzBSg KbbN2A//WkY5t2HRcq2QZ7p/L6Sd3nCAgzYQwxeHtm8IMY0v/uVWXwQoip+/x9Zv Oe209Higw98oz5uF1u+yBQBl9dkTrEk8WGM2Dy35WnYxjPjyTkKhC/6rpxywIJZq S95nT0Mu9XQt0GBdQkVeDDc44WJhYkrKs/JEhhVtwB0j7k/YjbfPu8NQM5alSsTt QOvTHrgBwfijE6JkU8JJubnJ1abqlLFZXWlsoXSbK9jxLqjmVk69fSjVgTwAfY1z 43vZQcz+4erOb3ZpnbLRvjVW25EQ/40sxxsRLzx9346s5GfYevxTv4g9+SVkcdRT jqZXoccKvk4pkGA4ZtCKfpjFKubL82kUDHO5qDLsXeSOdH5T6K7AhbdsMC8Z5tPW /BSpA9zk1+rQ0bj/ZR/CvId8YAQbhu+UUeqGS4WO5nuHij4VqvTAh5kKjIsIfO1H k1fnyxUbStNUDJqOq5zMrKK6isgahpBqHXUC2OEi7raJW68P8xmzKBX1NntfccPw ug1jAVNb2Ii3KuwDLezQta9BLJmMpjMUxA43i3FcZtB9UIzNkUZpfWA/pjBEPzV6 ucYYG+4gEoY+vUQGhtvwtpDtZd/QgG57ifbkzbKBKW636z8zn4d4PEaJaMbt4L8r weJOLyPY36bc/Et4/ee2ChSFU/8OeE3wmP6q6kkjX6IrNM8Byoo= =diMD -----END PGP SIGNATURE----- --ZNml3XNZlLs9ZYLW--