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Thu, 16 May 2019 09:00:57 -0700 (PDT) From: Kamal Dasu To: linux-mtd@lists.infradead.org Subject: [PATCH v2 2/2] mtd: nand: raw: brcmnand: When oops in progress use pio and interrupt polling Date: Thu, 16 May 2019 11:45:40 -0400 Message-Id: <1558022399-24863-2-git-send-email-kdasu.kdev@gmail.com> X-Mailer: git-send-email 1.9.0.138.g2de3478 In-Reply-To: <1558022399-24863-1-git-send-email-kdasu.kdev@gmail.com> References: <1558022399-24863-1-git-send-email-kdasu.kdev@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190516_090100_563973_44B35EDD X-CRM114-Status: GOOD ( 11.69 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vignesh Raghavendra , Kamal Dasu , Richard Weinberger , linux-kernel@vger.kernel.org, Marek Vasut , bcm-kernel-feedback-list@broadcom.com, Miquel Raynal , Brian Norris , David Woodhouse 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 If mtd_oops is in progress switch to polling for nand command completion interrupts and use PIO mode wihtout DMA so that the mtd_oops buffer can be completely written in the assinged nand partition. Signed-off-by: Kamal Dasu --- drivers/mtd/nand/raw/brcmnand/brcmnand.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c index a30a7f0..dca8eb8 100644 --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c @@ -835,7 +835,6 @@ static inline void disable_ctrl_irqs(struct brcmnand_controller *ctrl) } disable_irq(ctrl->irq); - ctrl->pio_poll_mode = true; } -- 1.9.0.138.g2de3478 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/ 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=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 8E129C04AAF for ; Thu, 16 May 2019 16:01:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5B55E20815 for ; Thu, 16 May 2019 16:01:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="VQ1lreXF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727976AbfEPQBC (ORCPT ); Thu, 16 May 2019 12:01:02 -0400 Received: from mail-ed1-f68.google.com ([209.85.208.68]:38597 "EHLO mail-ed1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726409AbfEPQA7 (ORCPT ); Thu, 16 May 2019 12:00:59 -0400 Received: by mail-ed1-f68.google.com with SMTP id w11so5980239edl.5 for ; Thu, 16 May 2019 09:00:59 -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:in-reply-to:references; bh=8WgMWkot3W6frdZDEhuKoWGYZZnnA8ggjmWUdQkxVUg=; b=VQ1lreXFzVPz7qMf6CbZsyHyEK8BaUPzViIbtM9m26OmLDc9tKQb+Ww5BzyPFxvKVr MJrT5hYOZFr1qqbinjNi0tc9Y7K9TrxawuH+WidxXbg7JTXsX7z3gzTQWohuiByopt7m 4ryVrr07Qa7xoWkcqKuFRHHW6UpEbZSNoCQ5aRG612xPXgDlckr7b6De7pLUdaxjaiQV hcsybkXuOdvGi1Mxsfms0QU4V/9nnmPkZ/AeYezrL2lSFkfpmZ8cwUfcwzQnmC99Or34 ynutTND6GIF1CpSUzaGCAKL/ehYJFRu0Vyi2/xwYYLD0u/S4b3IEcTBNrrSgbmRaMxxB JCPw== 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:in-reply-to :references; bh=8WgMWkot3W6frdZDEhuKoWGYZZnnA8ggjmWUdQkxVUg=; b=IX6GABiKxuROH9E20h/Q1q7ItcwcHOB/1Zsz1xQYwjUnAa7atmCtJPEWxoInudqsaR phcyh4po8fAEL0U3oHEh4isAqq7WOHGn9xVtUtm6aBHMp9NGyDGEH0cUjsnjw7NT6lLm MRoJ+dx7pfP42XtA9tDkdw155YWC/ppXlyoN6h/Sx3zku+l3iPumwZG54YGpPxTJyNwE WLx66lm1r+GSwBLXw9uWz0rFkGBikYQUWkr9ghY0+ggkfKYOxIJLZ8Mf9R+UL6KhnE/R Oyv+qfookCom1Q/QixLhVj4rWlgFLR3rVIRvDXUbULpeqgc2NluKet5KjHdJ7LXPfejS COfQ== X-Gm-Message-State: APjAAAUXD7eIKbT+kzL3pb/lchVpcXBPLBxKtSgxe2nniHLPyAcQT2DX Cqe6aDAYTHQfbITXBMOnoyA= X-Google-Smtp-Source: APXvYqyMxBN1sByOco4/CKLlBrCsf2Soi/E7L6cLHGLDX2cIXMgHdQjhgFGhYUdXaJFeCs5VE9Ln+Q== X-Received: by 2002:a17:906:8398:: with SMTP id p24mr25198362ejx.8.1558022458538; Thu, 16 May 2019 09:00:58 -0700 (PDT) Received: from mail.broadcom.com ([192.19.231.250]) by smtp.gmail.com with ESMTPSA id n8sm348307ejk.45.2019.05.16.09.00.56 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 16 May 2019 09:00:57 -0700 (PDT) From: Kamal Dasu To: linux-mtd@lists.infradead.org Cc: bcm-kernel-feedback-list@broadcom.com, linux-kernel@vger.kernel.org, Kamal Dasu , Brian Norris , Miquel Raynal , Richard Weinberger , David Woodhouse , Marek Vasut , Vignesh Raghavendra Subject: [PATCH v2 2/2] mtd: nand: raw: brcmnand: When oops in progress use pio and interrupt polling Date: Thu, 16 May 2019 11:45:40 -0400 Message-Id: <1558022399-24863-2-git-send-email-kdasu.kdev@gmail.com> X-Mailer: git-send-email 1.9.0.138.g2de3478 In-Reply-To: <1558022399-24863-1-git-send-email-kdasu.kdev@gmail.com> References: <1558022399-24863-1-git-send-email-kdasu.kdev@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If mtd_oops is in progress switch to polling for nand command completion interrupts and use PIO mode wihtout DMA so that the mtd_oops buffer can be completely written in the assinged nand partition. Signed-off-by: Kamal Dasu --- drivers/mtd/nand/raw/brcmnand/brcmnand.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c index a30a7f0..dca8eb8 100644 --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c @@ -835,7 +835,6 @@ static inline void disable_ctrl_irqs(struct brcmnand_controller *ctrl) } disable_irq(ctrl->irq); - ctrl->pio_poll_mode = true; } -- 1.9.0.138.g2de3478