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=-3.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 5A7F0C433E2 for ; Mon, 14 Sep 2020 11:25:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 03230221E5 for ; Mon, 14 Sep 2020 11:25:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=walle.cc header.i=@walle.cc header.b="WbXvk1B0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726055AbgINLZI (ORCPT ); Mon, 14 Sep 2020 07:25:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37268 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725984AbgINLYh (ORCPT ); Mon, 14 Sep 2020 07:24:37 -0400 Received: from ssl.serverraum.org (ssl.serverraum.org [IPv6:2a01:4f8:151:8464::1:2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 98D7AC06174A for ; Mon, 14 Sep 2020 04:24:36 -0700 (PDT) Received: from ssl.serverraum.org (web.serverraum.org [172.16.0.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ssl.serverraum.org (Postfix) with ESMTPSA id ADD1C2250C; Mon, 14 Sep 2020 13:24:30 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walle.cc; s=mail2016061301; t=1600082671; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=TSIenT/eAdfWHsMzr+7fvwJvSwJevHUBTg8/EDHXEAI=; b=WbXvk1B0PQEhKBAqE5pX/daD7i4tV8zaQsMadEivSvPhV4tUoEeoBeBAtKNQ8AsDD6sq2C 30H8jvQKhIO2M334SGFHZJluZ3NdqUlyV9UOnANuwI6yIoZsk/mET0hdZn6oyHDq91IhAI LgQRf+K8/cAl8j8PhrNLh8JonEfb2uU= MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Mon, 14 Sep 2020 13:24:30 +0200 From: Michael Walle To: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Tudor Ambarus , Jungseung Lee Subject: Re: [PATCH v2 0/4] mtd: spi-nor: OTP support In-Reply-To: <20200911222634.31804-1-michael@walle.cc> References: <20200911222634.31804-1-michael@walle.cc> User-Agent: Roundcube Webmail/1.4.8 Message-ID: X-Sender: michael@walle.cc Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am 2020-09-12 00:26, schrieb Michael Walle: > This patchset implements the MTD OTP functions to allow access to the > SPI > OTP data. Specific support is added for the Adesto, Macronix and > Winbond > flash chips. > > In the past there was already an attempt by Rahul Bedarkar to add this, > but > there was no response. These patches are slightly based on his work. > > https://lore.kernel.org/linux-mtd/1489754636-21461-1-git-send-email-rahul.bedarkar@imgtec.com/ > I've missed appending the changelog: changes since v1: - rebased to latest tree - correctly check return code of otp_ops->is_locked() in spi_nor_mtd_otp_info() - use correct bouncebuf for spi command in spi_nor_otp_lock_sr2() - add cleanup patch to consolidate some of the "if (spimem) {} else {}" patterns - add otp support for macronix and similar flashes - moved otp code into core.c because it is used across different vendors - use generic naming, eg. spi_nor_otp_lock_sr2() instead of winbond_otp_lock() -michael > Michael Walle (4): > mtd: spi-nor: cleanup common code > mtd: spi-nor: add OTP support > mtd: spi-nor: implement OTP support for Macronix and similar flashes > mtd: spi-nor: implement OTP support for Winbond and similar flashes > > drivers/mtd/chips/Kconfig | 2 +- > drivers/mtd/spi-nor/atmel.c | 13 +- > drivers/mtd/spi-nor/core.c | 769 ++++++++++++++++++++++++--------- > drivers/mtd/spi-nor/core.h | 61 +++ > drivers/mtd/spi-nor/macronix.c | 13 +- > drivers/mtd/spi-nor/winbond.c | 18 +- > include/linux/mtd/spi-nor.h | 16 + > 7 files changed, 676 insertions(+), 216 deletions(-)