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 1F0611E25F2 for ; Thu, 20 Mar 2025 15:50:36 +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=1742485841; cv=none; b=LJq+43XMIeee2JTx+FiYWKUj9vsSKEe8pNHA1XFwyxU23lJG9RDHW+qGAQaVR4nnxbpAQLIeoiVwrIDbMrliBCtJSFd2vA8/e4mfHcuNViILqDLfMlVcXmTWa9rtnLSqkkElFHqE152EDBY1tl4jf8tPJzr4N8rB8ruTmpUz2rg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742485841; c=relaxed/simple; bh=UyBdXNFgm67KU+j1EDo5XsOZ0SNYD8as+5pMPGwvsws=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gch2yihQSPo5xpRX0g0Md9IHBJ8RyDAbEwDuhv43dxAONpo4sFEyiX0Y8iLrGwbfsHlXmJ/+T9q8w+rN6wag1FqokEnrgMd8GKCssrnVvSleIZggs3nICaHX0UsMHROuJywl+IO7/z5uqiRDvS2h6ZNWfljE+JvI0xcIV1NNRTs= 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=Gr4YoEnw; 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="Gr4YoEnw" 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=UyBd XNFgm67KU+j1EDo5XsOZ0SNYD8as+5pMPGwvsws=; b=Gr4YoEnwL2NBjGN79FNI KRdPMDIaDCChdpDCj6diCg+HVhB8UPjLLRFNwmjVQla2f7qlZ3w3Zy+uemqhuwPt jxL9hnqtPvwtvQYbOfmLxlRpRJW6CxUtVgqS+zqoz2VR5h7FBASPSCPckrYm8jSs l1+Hwon/TAGLyHEAxSfDeDHBnEB35FP8JiqInroF7kT4ikO9wwmJ2IXFDOKLJy+x 1XBECDDH9sUS9+1Z3EuORpqCJoHAFheN4OKqkNBb76Nwbcai183oihwaMj8d9aJt AUVFO9vdNYOgigN4zRQs+CVB7V8pmFitlgRUGdrQbEvd4N7aOSxT4SBqT17laZTt YA== Received: (qmail 747425 invoked from network); 20 Mar 2025 16:50:34 +0100 Received: by mail.zeus03.de with UTF8SMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 20 Mar 2025 16:50:34 +0100 X-UD-Smtp-Session: l3s3148p1@PcAoGcgwQJgujnsn Date: Thu, 20 Mar 2025 16:50:33 +0100 From: Wolfram Sang To: Ulf Hansson Cc: linux-mmc@vger.kernel.org, Adrian Hunter , Yoshihiro Shimoda , linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/5] mmc: core: Add support for graceful host removal for eMMC/SD Message-ID: Mail-Followup-To: Wolfram Sang , Ulf Hansson , linux-mmc@vger.kernel.org, Adrian Hunter , Yoshihiro Shimoda , linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250320140040.162416-1-ulf.hansson@linaro.org> 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="j0szOiKot0rmBNkW" Content-Disposition: inline In-Reply-To: <20250320140040.162416-1-ulf.hansson@linaro.org> --j0szOiKot0rmBNkW Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Mar 20, 2025 at 03:00:31PM +0100, Ulf Hansson wrote: > As pointed out by Wolfram Sang and already discussed at LKML [1] - an mmc= host > driver may allow to unbind from its corresponding host device. If there i= s and > eMMC/SD card attached to the host, the mmc core will just try to cut the = power > for it, without trying to make a graceful power-off, thus potentially we = could > damage the card. >=20 > This series intends to fix this problem for eMMC/SD cards. >=20 > Please help to test and review! Awesome! Thank you. Will surely check it out. Not before next week I am afraid. 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