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=-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=unavailable 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 0A18BC352BE for ; Thu, 16 Apr 2020 14:46:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D5F8C21D82 for ; Thu, 16 Apr 2020 14:46:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587048411; bh=W1TFNcL6d7PTuFQZwdR3ie9JKMjHoYNZuPHRwD0bY2A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=tZ624zMa+PoR9Acg8CowPtqAkRLaJDvQ8ybw6yxrG+pdP7wY47p+py25MI705eG7T DtILyNPhzJb+7alpKcaledpkb/gSDQnZlQY2YeSSlXvUvSqNNaF/e55NvFB3uPI73N WB2ud9hIj4+SOY+j9anmKyA+dsHfKlDkgHf5teyE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732826AbgDPOq2 (ORCPT ); Thu, 16 Apr 2020 10:46:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:46458 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2506797AbgDPN71 (ORCPT ); Thu, 16 Apr 2020 09:59:27 -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 3D2B922203; Thu, 16 Apr 2020 13:59:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587045566; bh=W1TFNcL6d7PTuFQZwdR3ie9JKMjHoYNZuPHRwD0bY2A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yhsGDobPb8TlPbGN2dKuZspQlGsb8kp4Omjft0LRdLYOwI0EXEt0nagqDMiKR3ex0 Ac12JaooHktqudy0Rx1yZElVYEoWzwMedpo3jl6TnHsfzvb8424k6SVgEDE0ftw8iL poXlrP9i4SDA2S1llpqr/bOvE+s/DeKlXXqRs564= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Piotr Sroka , Miquel Raynal Subject: [PATCH 5.6 146/254] mtd: rawnand: cadence: reinit completion before executing a new command Date: Thu, 16 Apr 2020 15:23:55 +0200 Message-Id: <20200416131344.795701960@linuxfoundation.org> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200416131325.804095985@linuxfoundation.org> References: <20200416131325.804095985@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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);