From patchwork Thu Apr 16 13:23:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "gregkh@linuxfoundation.org" X-Patchwork-Id: 227590 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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, 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 444BCC352BE for ; Thu, 16 Apr 2020 15:39:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 194C621D91 for ; Thu, 16 Apr 2020 15:39:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587051569; bh=W1TFNcL6d7PTuFQZwdR3ie9JKMjHoYNZuPHRwD0bY2A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=dK9lvoT/m5SzpLFzTafpqPyBQxZ0aNG5Eb3io3H7w1dcYIucYVsEUmaoc7XoLt7F7 i8/8BlZb8V6dDW8m75VYd90nvCSWL961wxCAPVkS5aKYM5bjTYTCz0gIDwCCipN36h B0PvbA8hDoH71r/HsWZzHBp5/Lb8lA2dXGGfkwM8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2503566AbgDPPj1 (ORCPT ); Thu, 16 Apr 2020 11:39:27 -0400 Received: from mail.kernel.org ([198.145.29.99]:50672 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2897675AbgDPNiO (ORCPT ); Thu, 16 Apr 2020 09:38:14 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6A73F20732; Thu, 16 Apr 2020 13:38:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587044293; bh=W1TFNcL6d7PTuFQZwdR3ie9JKMjHoYNZuPHRwD0bY2A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FgwS3lMT4Lv5FgG13zHcCgYVrJShwAOj8AxvzQMj9YMmLJjjmiWTswytI8JSap+KB YhmaS6S78P7ojwhgz7UfW53zcag1m1vu33xRW/56e8b+SLf8mrdNb30DBWd6NH+IM/ 2ktemqmLPlfn5AQc8j4597D4u+U5TFcQwDZoISXo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Piotr Sroka , Miquel Raynal Subject: [PATCH 5.5 157/257] mtd: rawnand: cadence: reinit completion before executing a new command Date: Thu, 16 Apr 2020 15:23:28 +0200 Message-Id: <20200416131346.195994557@linuxfoundation.org> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200416131325.891903893@linuxfoundation.org> References: <20200416131325.891903893@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Piotr Sroka commit 0d7d6c8183aadb1dcc13f415941404a7913b46b3 upstream. Reing the completion object before executing CDMA command to make sure the 'done' flag is OK. Fixes: ec4ba01e894d ("mtd: rawnand: Add new Cadence NAND driver to MTD subsystem") Cc: stable@vger.kernel.org Signed-off-by: Piotr Sroka Signed-off-by: Miquel Raynal Link: https://lore.kernel.org/linux-mtd/1581328530-29966-4-git-send-email-piotrs@cadence.com Signed-off-by: Greg Kroah-Hartman --- drivers/mtd/nand/raw/cadence-nand-controller.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/mtd/nand/raw/cadence-nand-controller.c +++ b/drivers/mtd/nand/raw/cadence-nand-controller.c @@ -997,6 +997,7 @@ static int cadence_nand_cdma_send(struct return status; cadence_nand_reset_irq(cdns_ctrl); + reinit_completion(&cdns_ctrl->complete); writel_relaxed((u32)cdns_ctrl->dma_cdma_desc, cdns_ctrl->reg + CMD_REG2);