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 73E7918BC0E for ; Mon, 4 Nov 2024 08:25:33 +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=1730708739; cv=none; b=oVDaQz65CXBDrJLn9vi+gC0fRay5UNpTl1Crjx3el/Uz0rQ87MAcNRNM14ZM37j+9tKOnA+XwhPXsa+DQfS5OApYE04S5qtN0m1+cVB+msmnEKdXDZ0Y2JuW9RgiSoxQI3OVnFvJVhTt8UsdJ2NMd42j5FD9o7muqIXhdDDgEH4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730708739; c=relaxed/simple; bh=jscPegkRziWzyu9oWZiYe58XCmYqC0XMnkqj5xf6d6w=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=DSIrHJy8jN4+tOpPjeytmzxC5ogEk51i9eJZVa1gunCgaJd40c4MoyRLSjdq7Jer5t3Ho3fAoK/d5ErVEMMxqDrAS9yfLX01egajg+neoDwaui61dj7AeNYvkelqE9odo51muf32bupNB+nHo/GbmYYkohwF1xE1xD+YTF/FJTE= 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=BaReW9qi; 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="BaReW9qi" 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=jscP egkRziWzyu9oWZiYe58XCmYqC0XMnkqj5xf6d6w=; b=BaReW9qi6j3e4kuF8Z3c FbmVWs/jdCCguK/Ptw1sKVnfIhZBURfRBnPnUBvJO3pqr1Oj7thiJS/gABBYIEyt 0YuME3HveD0CJpOi15d5FoCQixDPmB5mwHPa9BJHfcboQOmRPwUs52Zd/xaEtr0x qhcH1KPW6p1g9FYQubW85aUbG8pktSvURdNUTzqV3aUVsO9eTHPn3WEcrfhvwVuc Q4zmcH+1dWZrRIpjUrpbU65+r7q82ck71OSf92xxBB64b3H/IQooJwywD+vgNFP6 Euv13nGkLkqgMHkkBF5KB78wjKJlTo6xOb7dxHYiOcBpDfglgSM22B4j9R7koRmr Ew== Received: (qmail 302239 invoked from network); 4 Nov 2024 09:25:25 +0100 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 4 Nov 2024 09:25:25 +0100 X-UD-Smtp-Session: l3s3148p1@0zjMBhImuqbVHA60 Date: Mon, 4 Nov 2024 10:25:25 +0200 From: Wolfram Sang To: Ulf Hansson Cc: linux-renesas-soc@vger.kernel.org, Yoshihiro Shimoda , linux-mmc@vger.kernel.org Subject: Re: [RFC PATCH] mmc: suspend MMC also when unbinding Message-ID: Mail-Followup-To: Wolfram Sang , Ulf Hansson , linux-renesas-soc@vger.kernel.org, Yoshihiro Shimoda , linux-mmc@vger.kernel.org References: <20241007093447.33084-2-wsa+renesas@sang-engineering.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="pmk3/D8cCwKcIUUk" Content-Disposition: inline In-Reply-To: --pmk3/D8cCwKcIUUk Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > To be able to put the mmc card into sleep/power-off state, we first > need to prevent the mmc-blk-queue from serving any additional I/O > requests, which is what mmc_remove_card() does. :-) >=20 > Although, we can't call _mmc_suspend() after mmc_remove_card() as the > mmc_card may have been freed by then. Hmm... Okay, this means there is basically only one place where we can suspend the card. I made another RFC. Will test it now and send it out later if all goes well. --pmk3/D8cCwKcIUUk Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmcohPAACgkQFA3kzBSg KbaeVw/+KNNRhWZJVrKACM8rSEWRv1g1Go7MDZQsxQqoesZ965mAVtNdMK+cuXWK yLKhfhqnBhAul5n5gv0cCa140GvIzliHHnXl4iLG1Pzrr8dmUi1Xe5n/E1gdMJxI df8+3y9tQ7p+MqMnRPU/ZY+lig7eMnUqq2rH8AQT1LQBIzTnLw8+31g/tQe2SCQa UMMTz9+EP484yWLZNN8k9ET1wNWBGFtNI6ezMPGzXFFSOX6Jx4e2yZx80j91kEmt 62rreWKK2rc6TPSDjM+2StQlJTsJzcO19wr4Mhy8lLHIKSqLnQ3wOjRhs9FQ/hNO H6/nBmvcAF2B1GDCaY8EZZU1/oMyRDDkxL4BxUg0RWUqABGuc5pQ0zSpTRsm2lih z0R+KPe8NU2hT0GE9euLvkyhLJkVRCv4u7p32L4R396IHJUXTz8fomnMZDVHpltI YlDLZw4pa/VqTgGsDt9uPDwWglBwmfaaM7HAT8F3jkwdqGOocAB8RXhHp8Osy5/Q /vH9ZajgRB0T3iyoYGgcIcyCz9cCLyVHBxctRr6KExGsIxSnS/ff8pKFxp0GYKak d+bnNoZeP4HQ40vmGFl5wX4Q5852KjG3/2dl4DzXyZFhCvMt3DM2HiJ002f5eY3S /orkOHNH5XukOxZe86hmgGuz4+NuRO/wGXX2kvELwaifW07+fV8= =6Neo -----END PGP SIGNATURE----- --pmk3/D8cCwKcIUUk--