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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 2D808C433E0 for ; Thu, 11 Mar 2021 17:16:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E58E564FDE for ; Thu, 11 Mar 2021 17:16:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229742AbhCKRPd (ORCPT ); Thu, 11 Mar 2021 12:15:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38902 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229756AbhCKRPH (ORCPT ); Thu, 11 Mar 2021 12:15:07 -0500 Received: from mail-pj1-x1029.google.com (mail-pj1-x1029.google.com [IPv6:2607:f8b0:4864:20::1029]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2C47CC061574 for ; Thu, 11 Mar 2021 09:15:07 -0800 (PST) Received: by mail-pj1-x1029.google.com with SMTP id q2-20020a17090a2e02b02900bee668844dso9389063pjd.3 for ; Thu, 11 Mar 2021 09:15:07 -0800 (PST) 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=g5hE2AWs+PGnGdSTksH6QWUvWe0n4LMgRHwtjboedWo=; b=Mu6ah/UDZAy2dCL8eXAiHLdGkUDudEjJULnyNPXEwGzeB3yEQMFqGce/8V7OdKIQ+6 I1miXZzantBU07ZFNPbSemc/dAYMAsxDTFP7E5wYxc+Huv3M7BrQkFepvWVVTeGVsblK Rs3ZmW+ZNVc/qmmtePYrSnhhZJPU00HIVqvNxlLUYCIpUO4eMkIIWV7T4TWORISRW+GA +i+jLVgZo/1YCzBTtGBBDJfX+doHSueBH+E34UGj5sWzcRuBREhUXUTvs5pbP/rJenbD cyTr/VECrHqMocq82thyY7BLFWg+KE9d2KcT1QFG+WQFPIkWu64byK9ZuhN/rx7SEiD/ pw7A== 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=g5hE2AWs+PGnGdSTksH6QWUvWe0n4LMgRHwtjboedWo=; b=BHozMubNNBNOOyFHc86VxduiN82Aw2WtDurbVF+x21QzOGN8ZfxY/FN/d8BXcwW0uD vDLrDlKxFSSGeoxoqdRkr4ZCzvAPxBPJvKaolf2XrGxfOge1PmeHNV6gb+wOck0NjdW6 cBKZNB204wlx0szmSfU4dGv6CQQ43HuTu0zDwS7oFmsr/1uu/rxOPFI5COdemxGL3WjX /00FDdDzmvVR6yc7G2b9UfISZ7gkELI5fEsZYbC5EdItiwDvX9BFIeMVu6RCIhp5Q68Q G4yPJ+GPeoOW701GdYP1KR8Sue9uH9a91qzPgFwJ5paNKvLx83RFkUWupVLytsQWLj2v 7Cyw== X-Gm-Message-State: AOAM533HrNO4JTKkUCE7/zD1QIIXvtywbCw9BGBrWxtijPcUMYFnIgwN yG0Uc641CbPkNlnAbfFb+os= X-Google-Smtp-Source: ABdhPJyq/9C5N7Ah3t18RKohtbHRl6FVhs30IIo9xGFodtxzWevwSSyudBZyJjPIYeCcMg5CQADyGg== X-Received: by 2002:a17:90b:228e:: with SMTP id kx14mr10004058pjb.71.1615482906825; Thu, 11 Mar 2021 09:15:06 -0800 (PST) Received: from mail.broadcom.net ([192.19.231.250]) by smtp.gmail.com with ESMTPSA id e190sm3007121pfe.3.2021.03.11.09.15.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Mar 2021 09:15:06 -0800 (PST) From: Kamal Dasu To: Brian Norris , Kamal Dasu , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra Cc: f.fainelli@gmail.com, linux-mtd@lists.infradead.org, bcm-kernel-feedback-list@broadcom.com, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] mtd: rawnand: brcmnand: move to polling in pio mode on oops write Date: Thu, 11 Mar 2021 12:09:09 -0500 Message-Id: <20210311170909.9031-2-kdasu.kdev@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210311170909.9031-1-kdasu.kdev@gmail.com> References: <20210311170909.9031-1-kdasu.kdev@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This change makes sure that Broadcom NAND driver moves to interrupt polling on the first brcmnand_write() call. Signed-off-by: Kamal Dasu --- drivers/mtd/nand/raw/brcmnand/brcmnand.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c index 1c95b21aa63b..e6966db5f0d8 100644 --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c @@ -2341,6 +2341,10 @@ static int brcmnand_write(struct mtd_info *mtd, struct nand_chip *chip, for (i = 0; i < ctrl->max_oob; i += 4) oob_reg_write(ctrl, i, 0xffffffff); + if (mtd->oops_panic_write) + /* switch to interrupt polling and PIO mode */ + disable_ctrl_irqs(ctrl); + if (use_dma(ctrl) && (has_edu(ctrl) || !oob) && flash_dma_buf_ok(buf)) { if (ctrl->dma_trans(host, addr, (u32 *)buf, oob, mtd->writesize, CMD_PROGRAM_PAGE)) -- 2.17.1