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[2620:137:e000::3:3]) by mx.google.com with ESMTPS id q27-20020a63751b000000b0057458518e20si3897826pgc.164.2023.09.22.06.38.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Sep 2023 06:38:03 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:3 as permitted sender) client-ip=2620:137:e000::3:3; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=LD7B90GB; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:3 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by lipwig.vger.email (Postfix) with ESMTP id 2163382CC456; Fri, 22 Sep 2023 02:29:47 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at lipwig.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232332AbjIVJ30 (ORCPT + 99 others); Fri, 22 Sep 2023 05:29:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52710 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231503AbjIVJ3O (ORCPT ); Fri, 22 Sep 2023 05:29:14 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1500F1AB; Fri, 22 Sep 2023 02:29:08 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5CB70C433D9; Fri, 22 Sep 2023 09:29:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1695374947; bh=t2aM7shiMBsolmhAQmRyMhH0S1BzPym6WZgDZA31JT0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=LD7B90GBbqSdb29gB8BawZc0/3rfHXPpNqj0xsjC+OgXOe7i0q4bmi5yuWJIpiMnW zUJQQ82obbV2uQEbULqs/lqbF7qG0h5M5eNqMLRzTbk4TtQiNh36LSub5NiuAZ09A/ qf/3kw5WrCuu2GFoAf4J+SQRu2vzLAVSX4uc+KvI= Date: Fri, 22 Sep 2023 11:29:06 +0200 From: Greg KH To: Bean Huo Cc: ulf.hansson@linaro.org, adrian.hunter@intel.com, beanhuo@micron.com, jakub.kwapisz@toradex.com, rafael.beims@toradex.com, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH v3] mmc: Add quirk MMC_QUIRK_BROKEN_CACHE_FLUSH for Micron eMMC Q2J54A Message-ID: <2023092253-suffice-mulled-b8fa@gregkh> References: <20230921203426.638262-1-beanhuo@iokpp.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230921203426.638262-1-beanhuo@iokpp.de> X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Fri, 22 Sep 2023 02:29:47 -0700 (PDT) On Thu, Sep 21, 2023 at 10:34:26PM +0200, Bean Huo wrote: > From: Bean Huo > > Micron MTFC4GACAJCN eMMC supports cache but requires that flush cache > operation be allowed only after a write has occurred. Otherwise, the > cache flush command or subsequent commands will time out. > > Signed-off-by: Bean Huo > Co-developed-by: Rafael Beims Then Rafael also has to sign off on this, right?