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=-9.5 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 8414AC3A5A9 for ; Sat, 2 May 2020 20:42:25 +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 448152080C for ; Sat, 2 May 2020 20:42:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="dqVa9n15"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="OCt6b3cG" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 448152080C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=XGTCIiY6qNjt+/0RxEemZDbF+yFpJ6rULAPAdWVFOFA=; b=dqV a9n15Xo7iH7eh5WAVtpXANaOBNsr+ZdG0nKs8tl65jDO0dMk3rcZyKAYXic7dVpY9O3ds3imYSg0B dQ+vjR9POnfNffpLKO/T4vRN64dY9x4+lbtauH7Shc8Bqe7Rn5kVBo2Qj0VZ3vRZZ6yTy2dlViUYk 8pv2FU1Bczu0VveJjnrVcyBDUBxev2adASy4MAqQ/NDCsu18jpHSWA3uU0TcIhYjK9S4m1ZcGQbb6 9q6XRIiBnr4E3v57vC7Rs0BnT2671A3hq+vBPkcLm0rhP2tZOtyVLFjo8EW9il5/g6YzNba2iXVZA q8c88Xjg3mY/63YW/DGXK1+E8y/d3UA==; 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 1jUyxa-00005g-77; Sat, 02 May 2020 20:42:06 +0000 Received: from mail-pl1-x643.google.com ([2607:f8b0:4864:20::643]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jUyxX-000056-8d for linux-mtd@lists.infradead.org; Sat, 02 May 2020 20:42:04 +0000 Received: by mail-pl1-x643.google.com with SMTP id v2so5094749plp.9 for ; Sat, 02 May 2020 13:42:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=nSeRL+v4vCg/JlCwuxAlOvIi6+lQZ0s1gPbPPC1SQo4=; b=OCt6b3cG0YLdLxYA5cJvtZbCTTAHTEI7a0AtEVm8ffCG56DV3uQk+vhc3LN3vL+BIE sEC8sUGDEOhYxyJX5cwjYJJgL23kpAe9kh8n8gHqwS6vjFW4X/wd6CIjaf3jVIPg1H4i peRikUnM20G/bQgUF2frryCueKkWtPAP070g1OG8SrgYpdNQZ1NMe+2/Mx6cObR36vgR jHf+NhXYuyOMASrtrLD6Q1CAyG+XVmbIpDq/hwi3G4MZXcmMdiCIka28Bmc8uVrI4EmB RE6dc8q6NO3c9CPNxPXciQZmqApUbrS59U8Z9AgUp50mQPeNZLLvcqiASqCLqMDPkgEv 43og== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=nSeRL+v4vCg/JlCwuxAlOvIi6+lQZ0s1gPbPPC1SQo4=; b=lt3rEsjzw1TuZrI2WCWhPHm1Gf9/goMmTXZlX847SVJAhGo4DKWsJw2Tn4JOVqkdrO ZgoSXP62dyqEicReGoCck1V49cENN4+m8eJOUsWlvMLECYdTJLwJeg0gLSFHTEVwQdmW Q8gSeHS42BxdgWK34iRl6nlOdATmvt+ReCWbrRJBxFynHhioP8mF8inTl+uMN7sbYLuQ 8ggdOx9re5lrxb2bWLhpUI/7EoOz478dTQU0A1G0DXCpjJ1nM69CDZAjwn5rfmESkXc1 ECGVJJKnzoqOxUEdnXCi6PDt1bdAnIB41uh5JS55hcdZW4pWLsNDKeouxEgSEjrRjdqr Ql5A== X-Gm-Message-State: AGi0PuZoLNxGkhpOJ2lFFu8xVuWc0m+b8HFcsBoa3XwAhmH3TkVGkAwU +Uv7SKjiXBXGV7cvITSpKwU= X-Google-Smtp-Source: APiQypIxaji5kSHFkExlIHwZrR5Ew04BoUZDXSNrqnvkxTM6b2AlFyL4Fwjiv6RXBufl6jAVF44AVA== X-Received: by 2002:a17:902:ee15:: with SMTP id z21mr10489150plb.71.1588452122460; Sat, 02 May 2020 13:42:02 -0700 (PDT) Received: from mail.broadcom.com ([192.19.231.250]) by smtp.gmail.com with ESMTPSA id b3sm4683469pga.48.2020.05.02.13.42.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 02 May 2020 13:42:02 -0700 (PDT) From: Kamal Dasu To: Brian Norris , Kamal Dasu , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra Subject: [Patch] mtd:rawnand: brcmnand: Fix PM resume crash Date: Sat, 2 May 2020 16:41:36 -0400 Message-Id: <20200502204137.37134-1-kdasu.kdev@gmail.com> X-Mailer: git-send-email 2.17.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200502_134203_329422_08A955FF X-CRM114-Status: GOOD ( 11.78 ) 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: bcm-kernel-feedback-list@broadcom.com, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org MIME-Version: 1.0 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 This change fixes crash observed on PM resume. This bug was introduced in the change made for flash-edu support. Fixes: a5d53ad26a8b ("mtd: rawnand: brcmnand: Add support for flash-edu for dma transfers") Signed-off-by: Kamal Dasu --- drivers/mtd/nand/raw/brcmnand/brcmnand.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c index e4e3ceeac38f..8f9ffb46a09f 100644 --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c @@ -2728,9 +2728,8 @@ static int brcmnand_resume(struct device *dev) flash_dma_writel(ctrl, FLASH_DMA_ERROR_STATUS, 0); } - if (has_edu(ctrl)) + if (has_edu(ctrl)) { ctrl->edu_config = edu_readl(ctrl, EDU_CONFIG); - else { edu_writel(ctrl, EDU_CONFIG, ctrl->edu_config); edu_readl(ctrl, EDU_CONFIG); brcmnand_edu_init(ctrl); -- 2.17.1 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/