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 23EC13321BF for ; Tue, 5 May 2026 10:02:54 +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=1777975375; cv=none; b=J6cT97S+PTgXDwzwiFUgjRJ7eOcJIaLX/f7Lrdmg1KSa8o/nUgaJEDLlvD7P1GB/lN2VhTmV+oI1SstjDr85bzBOtqp+KX2cN7/TMjdnpi5LS4EWf65hBnfb71yMl5IwguHzw6WFV7kF4IYrvLgBLXnKuNE9weV2S/mV1A2i6k8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777975375; c=relaxed/simple; bh=+yqT1MwNh9umfWYDcU3XfKsy3xlPJST8E649FEiVySo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=lKE425pTmEWeHC2lF8flOlJWOUa5B+zIDgRQxkxgrWWsE3JeQ6j2ztMfK4HAM72U3XKPuXM7nLXRlZNyHV1VSBCJ8TDo4xCoql0L9a4LHEDJsTGkkIkebm75Isdzml5cCVmob47bOW3jIA1F1e77wm+Q+jUxkNddmEzh0wsNyis= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SBDEzFL2; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="SBDEzFL2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5EB49C2BCB4; Tue, 5 May 2026 10:02:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777975374; bh=+yqT1MwNh9umfWYDcU3XfKsy3xlPJST8E649FEiVySo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SBDEzFL2vCNtFQNAu30rW5TDZ8+8vxoIMIYKzs5PxStu4czph6DCWR6neZ7SdiKe3 3nQxUvmzihFSiv2KXg5ZsrZhjhfrty3os9QscNIpqbghzrdIgfEjB2erhJ0JHiXaMK SHcsIig9ZVC2bLUUZUKV2k+wWMSh8BAw9ALEH1jtRmWDWmcizq/9NZyxUgrcns8X2V W8IZQ0gqCvFPBJyCeL5HY29jTqz469X+m4mFrj3Rz7o491hijCFe4ZCH2csnGXAmjP 5MSt5e/lBhi79/yDpTQpmKHdiZip2pRXaD2ytJomDSRwpjxgb4zjMgqsSKJTyw+/Jx prGhYSbtp2JZQ== From: Sasha Levin To: stable@vger.kernel.org Cc: Avri Altman , Shawn Lin , Ulf Hansson , Sasha Levin Subject: [PATCH 7.0.y 1/3] mmc: core: Adjust MDT beyond 2025 Date: Tue, 5 May 2026 06:02:48 -0400 Message-ID: <20260505100250.522459-1-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <2026050303-jingle-ambitious-5f11@gregkh> References: <2026050303-jingle-ambitious-5f11@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-Transfer-Encoding: 8bit From: Avri Altman [ Upstream commit 3e487a634bc019166e452ea276f7522710eda9f4 ] JEDEC JESD84-B51B which was released in September 2025, increases the manufacturing year limit for eMMC devices. The eMMC manufacturing year is stored in a 4-bit field in the CID register. Originally, it covered 1997–2012. Later, with EXT_CSD_REV=8, it was extended up to 2025. Now, with EXT_CSD_REV=9, the range is rolled over by another 16 years, up to 2038. The mapping is as follows: cid[8..11] | rev ≤ 4 | 8 ≥ rev > 4 | rev > 8 --------------------------------------------- 0 | 1997 | 2013 | 2029 1 | 1998 | 2014 | 2030 2 | 1999 | 2015 | 2031 3 | 2000 | 2016 | 2032 4 | 2001 | 2017 | 2033 5 | 2002 | 2018 | 2034 6 | 2003 | 2019 | 2035 7 | 2004 | 2020 | 2036 8 | 2005 | 2021 | 2037 9 | 2006 | 2022 | 2038 10 | 2007 | 2023 | 11 | 2008 | 2024 | 12 | 2009 | 2025 | 13 | 2010 | | 2026 14 | 2011 | | 2027 15 | 2012 | | 2028 Signed-off-by: Avri Altman Reviewed-by: Shawn Lin Signed-off-by: Ulf Hansson Stable-dep-of: d6bf2e64dec8 ("mmc: core: Optimize time for secure erase/trim for some Kingston eMMCs") Signed-off-by: Sasha Levin --- drivers/mmc/core/mmc.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 7c86efb1044a3..f744dd5018428 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -671,7 +671,14 @@ static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd) card->ext_csd.enhanced_rpmb_supported = (card->ext_csd.rel_param & EXT_CSD_WR_REL_PARAM_EN_RPMB_REL_WR); + + if (card->ext_csd.rev >= 9) { + /* Adjust production date as per JEDEC JESD84-B51B September 2025 */ + if (card->cid.year < 2023) + card->cid.year += 16; + } } + out: return err; } -- 2.53.0