From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D4FCCC10DCE for ; Tue, 10 Mar 2020 19:41:59 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8B87721655 for ; Tue, 10 Mar 2020 19:41:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="rLBT0//e" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8B87721655 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=dip07YOOD9C9JXsxxexLAwBy8CjjuGHd/yzOIlKoPxM=; b=rLBT0//e8QnfFr clQY1SNX+PdEQT1kttVW2fATiu3ezFQor4pDGKemy+QBAMhPWKAWsLmaM/moUTHwEfxTSfmHQKunU t8IQabUa9qzszfiellfuKyrxKAnt+0GhUyNDkYUkhO2EQ5FE3kYiOgDzs8eeNq9M/NRPlM5YpOslC OTe1vIBMof03EtGyL+ii6umGv+zkMTB9Dgc+kPTgX5DQ+DA/zCKpp67Zf/BZbagP3TqOBLgob0sZp HtOzmqvKYiF8F8tEBKAsfQ6zDcA1R9GR/W+1RybXP0hAgmcHloU8NL9h5ZlbM1uohSbJn4ofAsOPD 63T0ka1V4LcxvdviqpdA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jBklD-0007ZN-SX; Tue, 10 Mar 2020 19:41:51 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jBklA-0007Yv-T0 for linux-mtd@lists.infradead.org; Tue, 10 Mar 2020 19:41:50 +0000 Received: from localhost (unknown [IPv6:2a01:e0a:2c:6930:5cf4:84a1:2763:fe0d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: bbrezillon) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id 686A329196A; Tue, 10 Mar 2020 19:41:46 +0000 (GMT) Date: Tue, 10 Mar 2020 20:41:42 +0100 From: Boris Brezillon To: Mason Yang Subject: Re: [PATCH v3 3/4] mtd: rawnand: Add support manufacturer specific suspend/resume operation Message-ID: <20200310204142.540fc7c4@collabora.com> In-Reply-To: <20200310203930.2b8c0cfb@collabora.com> References: <1583220084-10890-1-git-send-email-masonccyang@mxic.com.tw> <1583220084-10890-4-git-send-email-masonccyang@mxic.com.tw> <20200310203930.2b8c0cfb@collabora.com> Organization: Collabora X-Mailer: Claws Mail 3.17.5 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200310_124149_102900_5D8BA31C X-CRM114-Status: GOOD ( 14.81 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: vigneshr@ti.com, bbrezillon@kernel.org, juliensu@mxic.com.tw, richard@nod.at, s.hauer@pengutronix.de, yuehaibing@huawei.com, linux-kernel@vger.kernel.org, stefan@agner.ch, rfontana@redhat.com, linux-mtd@lists.infradead.org, frieder.schrempf@kontron.de, miquel.raynal@bootlin.com, tglx@linutronix.de, allison@lohutok.net Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On Tue, 10 Mar 2020 20:39:30 +0100 Boris Brezillon wrote: > On Tue, 3 Mar 2020 15:21:23 +0800 > Mason Yang wrote: > > > Patch nand_suspend() & nand_resume() for manufacturer specific > > suspend/resume operation. > > > > Signed-off-by: Mason Yang > > Reported-by: kbuild test robot > > Reviewed-by: Miquel Raynal > > --- > > drivers/mtd/nand/raw/nand_base.c | 11 ++++++++--- > > include/linux/mtd/rawnand.h | 4 ++++ > > 2 files changed, 12 insertions(+), 3 deletions(-) > > > > diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c > > index 769be81..b44e460 100644 > > --- a/drivers/mtd/nand/raw/nand_base.c > > +++ b/drivers/mtd/nand/raw/nand_base.c > > @@ -4327,7 +4327,9 @@ static int nand_suspend(struct mtd_info *mtd) > > struct nand_chip *chip = mtd_to_nand(mtd); > > > > mutex_lock(&chip->lock); > > - chip->suspended = 1; > > + if (chip->_suspend) > > + if (!chip->_suspend(chip)) > > + chip->suspended = 1; Shouldn't you propagate the error to the caller if chip->_suspend() fails? ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/