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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=no 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 013E0C433DF for ; Mon, 18 May 2020 16:29:06 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C2B2C207ED for ; Mon, 18 May 2020 16:29:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="TXXqfGi2" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C2B2C207ED Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=7Xxr5Cz4qoudqFaZmd/waCzUShfZkk5/y4NoX6En4KE=; b=TXXqfGi2H/PE+N u9yKPV+ypM0EEXtlNah0KH30J1Lmf9C7Y43al53hLl0DyDD7KYtNLsLEP5e0fM18wbCy4JGEouBRp /ppbNeGDTC0k1Hbli9gxmSOHrlxacEKi4lSoThcgV+0EoDulZYsXxVuqeCfz0xVFY2Lx2mLc3YWDj BzxaE87psX4Tcyjyw6GBNqTxQjEau0Rb81+drG1LW/4QBOMHm7T9bjibplSEmnL3FZbY0mJUf7MwO EXpWytmLgrF1UKE75ak3QBpX5pgoc36Q60N55ZUke58zNwbYdZ/BDumfiozxeCxeyAtaNV3MjMMEN E465ZK12L8oBPpoyY+2Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jaidO-0006U0-HF; Mon, 18 May 2020 16:28:58 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jaid9-0006Ge-4C for linux-mtd@lists.infradead.org; Mon, 18 May 2020 16:28:44 +0000 Received: from localhost.localdomain (unknown [IPv6:2a01:e0a:2c:6930:5cf4:84a1:2763:fe0d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: bbrezillon) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id 74E8F2A0D72; Mon, 18 May 2020 17:28:41 +0100 (BST) From: Boris Brezillon To: Miquel Raynal , linux-mtd@lists.infradead.org, Hauke Mehrtens , =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= , linux-mips@vger.kernel.org Subject: [PATCH v2 0/8] mtd: rawnand: bcm47xx: Convert to exec_op() (and more) Date: Mon, 18 May 2020 18:28:29 +0200 Message-Id: <20200518162837.304471-1-boris.brezillon@collabora.com> X-Mailer: git-send-email 2.25.4 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200518_092843_297441_AE22309B X-CRM114-Status: GOOD ( 14.21 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Richard Weinberger , Boris Brezillon , Vignesh Raghavendra , Tudor Ambarus 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 Hello, A bit of context to explain the motivation behind those conversions I've been sending for the last couple of weeks. The raw NAND subsystem carries a lot of history which makes any rework not only painful, but also subject to regressions which we only detect when someone dares to update its kernel on one of those ancient HW. While carrying drivers for old HW is not a problem per se, carrying ancient and unmaintained drivers that are not converted to new APIs is a maintenance burden, hence this massive conversion attempt I'm conducting here. So here is a series converting the BCM47XX NAND controller driver to exec_op(), plus a bunch of minor improvements done along the way. I hope I'll find someone to test those changes, but if there's no one still having access to this HW or no interest in keeping it supported in recent kernel versions, we should definitely consider removing the driver instead. No major changes in this v2, apart from fixes for things reported by Miquel. See the changelog on each patch for more details. Regards, Boris Boris Brezillon (8): mtd: rawnand: Add an is_last flag to nand_subop mtd: rawnand: bcm47xx: Drop dependency on BCMA mtd: rawnand: bcm47xx: Allow compiling the driver when COMPILE_TEST=y mtd: rawnand: bcm47xx: Demistify a few more things mtd: rawnand: bcm47xx: Implement the exec_op() interface mtd: rawnand: bcm47xx: Get rid of the legacy implementation mtd: rawnand: bcm47xx: Simplify the init() function mtd: rawnand: bcm47xx: Merge all source files drivers/mtd/nand/raw/Kconfig | 3 +- drivers/mtd/nand/raw/Makefile | 2 +- .../mtd/nand/raw/bcm47xx-nand-controller.c | 343 +++++++++++++ drivers/mtd/nand/raw/bcm47xxnflash/Makefile | 5 - .../nand/raw/bcm47xxnflash/bcm47xxnflash.h | 26 - drivers/mtd/nand/raw/bcm47xxnflash/main.c | 77 --- .../mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c | 450 ------------------ drivers/mtd/nand/raw/nand_base.c | 2 + include/linux/mtd/rawnand.h | 2 + 9 files changed, 349 insertions(+), 561 deletions(-) create mode 100644 drivers/mtd/nand/raw/bcm47xx-nand-controller.c delete mode 100644 drivers/mtd/nand/raw/bcm47xxnflash/Makefile delete mode 100644 drivers/mtd/nand/raw/bcm47xxnflash/bcm47xxnflash.h delete mode 100644 drivers/mtd/nand/raw/bcm47xxnflash/main.c delete mode 100644 drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c -- 2.25.4 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/