From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 799F9EC5 for ; Thu, 23 May 2024 06:49:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716446944; cv=none; b=BJgYdhkZPWtLiie4aCEHdlUwUUdPcPqoZeJwncFCOg68vkf/8gFJEYnUuF4UaNZfRG6DGyrdUkeOxgF9Bo2Yg916cJW583s2mTTkUIv3x72jYWFEnqs4+okvGLRieODEHOdrpnqSbw5VXiKND/KJECBHmm4FzrsqUS3TecqNXU4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716446944; c=relaxed/simple; bh=YxFGJ5Mm+AadQ2nt49N106zc3IDbQ6azjmZE+PuCADI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Na+KEpKiLM1hM/848R0JrldrzTMb9jZInvebLVmOjAwYVNcmIQMeuXDnQshLnncWe0+OlUE5shFSlM77lP1Ekc/rXGVr23D5LCg2/RvEWqMWyWB81pnIHbSRarbHHXJA5xTLoucos+KsCClZfSAadFh9pBAKaGQrg91XSIqgIug= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=V0ONVptH; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="V0ONVptH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 94338C2BD10; Thu, 23 May 2024 06:49:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1716446943; bh=YxFGJ5Mm+AadQ2nt49N106zc3IDbQ6azjmZE+PuCADI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=V0ONVptHqAWIQkDNpD1EIy43F/MisYXinoNsaqhOG/XFNIFQWD5TNPS2OJnE0RXYx NGL2Cib6CS/bv4gKTr+TvtkXxaKdxoEl3JOMfFjMNf6F2XWZDcOmzILH38rrmidYON ndjqJQ25cEKl/WyGGiHrBpSqDwsdcd12rN/HVMFo= Date: Thu, 23 May 2024 08:49:01 +0200 From: Greg KH To: Lin Gui =?utf-8?B?KOahguaelyk=?= Cc: "stable@vger.kernel.org" , Yongdong Zhang =?utf-8?B?KOW8oOawuOS4nCk=?= , Bo Ye =?utf-8?B?KOWPtuazoik=?= , Qilin Tan =?utf-8?B?KOiwrem6kum6nyk=?= , Wenbin Mei =?utf-8?B?KOaiheaWh+W9rCk=?= , Mengqi Zhang =?utf-8?B?KOW8oOaipueQpik=?= Subject: Re: =?utf-8?B?5Zue5aSNOiBiYWNrcG9ydCA=?= =?utf-8?Q?a?= patch for Linux kernel-5.15 kernel-6.1 kenrel-6.6 stable tree Message-ID: <2024052329-sadden-disallow-a982@gregkh> References: <2024052333-parasitic-impure-6d69@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Thu, May 23, 2024 at 06:41:04AM +0000, Lin Gui (桂林) wrote: > Dear @Greg KH, > > > What is the git id of it in Linus's tree? > [MTK] > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/mmc/core/mmc.c?h=v6.9&id=77e01b49e35f24ebd1659096d5fc5c3b75975545 > > > author Mengqi Zhang 2023-12-25 17:38:40 +0800 > committer Ulf Hansson 2024-01-02 17:54:05 +0100 > commit 77e01b49e35f24ebd1659096d5fc5c3b75975545 (patch) > tree 02a13063666685bc7061b46183fc45298b2dc9f4 /drivers/mmc/core/mmc.c > parent 09f164d393a6671e5ff8342ba6b3cb7fe3f20208 (diff) > download linux-77e01b49e35f24ebd1659096d5fc5c3b75975545.tar.gz > mmc: core: Add HS400 tuning in HS400es initialization > During the initialization to HS400es stage, add a HS400 tuning flow as an > optional process. For Mediatek IP, the HS400es mode requires a specific > tuning to ensure the correct HS400 timing setting. > > Signed-off-by: Mengqi Zhang > Link: https://lore.kernel.org/r/20231225093839.22931-2-mengqi.zhang@mediatek.com > Signed-off-by: Ulf Hansson ulf.hansson@linaro.org I don't understand, why does this qualify as a stable patch? The changes says this is "optional", which means the device should work just fine without it, right? Is this a regression fix from something that previously used to work properly? You have read: https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html right? thanks, greg k-h