From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B0FB331619A; Mon, 13 Apr 2026 16:52:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776099155; cv=none; b=K74CMwM99/OD1Z8JrH+ue4co6xWvbYRYE2psmut0WaoMwzb55TddfUwyOl5yvA4OqV28esHo7XwilV9koQ1anP2gcWYxU/R0oQXCAv/lMfT0sARNmgaf0v1u2MzT4gfPiSwmc/6vp/AVs1xOBiBMltzLEOm0WFl82nHyluN2Hsk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776099155; c=relaxed/simple; bh=5PsR/0TisOBiu6wevd/BUprl1FXmOzeaqzm8Dqkvdw4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mtnIeSFwGBPQQ/Jd/jrAonlQzmr0jVbcCfkbKos8o64wj10E1IFChRuEXzwObWA0Rz45hjsCzcvvHqPkF/GdGPZpxf5rvURAcsdGjQ+p83tg0ckv7nCwqkyUx8LEY1WvbJOXHGukeTnBNxXiYBlhUDxCLvSvz+zGxNyd/sgFsVE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=vGDV83Vz; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="vGDV83Vz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 474DAC2BCAF; Mon, 13 Apr 2026 16:52:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1776099155; bh=5PsR/0TisOBiu6wevd/BUprl1FXmOzeaqzm8Dqkvdw4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vGDV83VzmUwRVfqPlRb+Xl8LVYjvDmDKyIdNBXTbRZVBZ0GCfjnn3JdhfbME4EJFZ BMdcOos7f1bL5IklyzTpFmxkk0CLW29I293y/tByvkmzdd5mqHBBkeOnmdtNpG0mJj KRo4XZJ0MmeaBxWIWRnjIzMSuQOlb5khLe+3IFF4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Kamal Dasu , Miquel Raynal , Sasha Levin Subject: [PATCH 5.10 231/491] mtd: rawnand: brcmnand: move to polling in pio mode on oops write Date: Mon, 13 Apr 2026 17:57:56 +0200 Message-ID: <20260413155827.708138982@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260413155819.042779211@linuxfoundation.org> References: <20260413155819.042779211@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Kamal Dasu [ Upstream commit 22ca05b82d3e3abc2b116a11ee41b6b692b95530 ] This change makes sure that Broadcom NAND driver moves to interrupt polling on the first brcmnand_write() call. Signed-off-by: Kamal Dasu Signed-off-by: Miquel Raynal Link: https://lore.kernel.org/linux-mtd/20210311170909.9031-2-kdasu.kdev@gmail.com Stable-dep-of: da9ba4dcc01e ("mtd: rawnand: brcmnand: skip DMA during panic write") Signed-off-by: Sasha Levin --- 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 a101df3b19f70..669c332d37ee8 100644 --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c @@ -2399,6 +2399,10 @@ 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)) -- 2.51.0