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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EC4B8C433F5 for ; Thu, 30 Sep 2021 10:09:14 +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 B60826115A for ; Thu, 30 Sep 2021 10:09:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B60826115A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=OHBXnq0A1AwIvo9Tj94IWCH2RN+2RlkHnZZfdT529lw=; b=mFDkBM1kQP8Hir IGZ83n3Zuik0UdY5kl171SXA9bZDCZB5cQ7EeegqfBxb+9Sl4yFKaSylmh9hbZcSVNjvNNGn3CgoI FyIOYwoic5ZGsNP1rYS2Jr6KZddg2mtMPNhSJtTapc3rS1ZBkhsF/mfQuVwSlQRN84OEsjlmiRpdo H3M5NWP9Zf537EAuwrERzeVaZxTKf+WR1jhEDUNftymwZtVMb/YGPMcuNKzfhTJC3i8abZxouufje 6L/2HPvMU1/2USFpIYp+Km0efxVgD+DGHW/Bu4JtSZHd+AMKtqDOtK+97MhwDZV079OjUHgh4l3jK HpVepi9xICK2ooUxdGSw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mVszU-00DjvT-JL; Thu, 30 Sep 2021 10:08:36 +0000 Received: from mga05.intel.com ([192.55.52.43]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mVsyR-00DjUu-3P for linux-mtd@lists.infradead.org; Thu, 30 Sep 2021 10:07:32 +0000 X-IronPort-AV: E=McAfee;i="6200,9189,10122"; a="310697314" X-IronPort-AV: E=Sophos;i="5.85,335,1624345200"; d="scan'208";a="310697314" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Sep 2021 03:07:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.85,335,1624345200"; d="scan'208";a="487269673" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga008.jf.intel.com with ESMTP; 30 Sep 2021 03:07:14 -0700 Received: by black.fi.intel.com (Postfix, from userid 1001) id D5F3529D; Thu, 30 Sep 2021 13:07:19 +0300 (EEST) From: Mika Westerberg To: Tudor Ambarus , Mark Brown Cc: Lee Jones , Michael Walle , Pratyush Yadav , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Jonathan Corbet , Mauro Lima , Alexander Sverdlin , Mika Westerberg , linux-mtd@lists.infradead.org, linux-spi@vger.kernel.org Subject: [PATCH 3/3] Documentation / MTD: Rename the intel-spi driver Date: Thu, 30 Sep 2021 13:07:19 +0300 Message-Id: <20210930100719.2176-4-mika.westerberg@linux.intel.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210930100719.2176-1-mika.westerberg@linux.intel.com> References: <20210930100719.2176-1-mika.westerberg@linux.intel.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210930_030731_213788_60A0B33C X-CRM114-Status: GOOD ( 15.34 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 Since the driver is renamed (and moved) update the BIOS upgrade guide accordingly from intel-spi to intel-spi. Keep the guide under MTD documentation because this is pretty much still about MTD and SPI-NOR. Signed-off-by: Mika Westerberg --- Documentation/driver-api/mtd/index.rst | 2 +- .../driver-api/mtd/{intel-spi.rst => spi-intel.rst} | 8 ++++---- 2 files changed, 5 insertions(+), 5 deletions(-) rename Documentation/driver-api/mtd/{intel-spi.rst => spi-intel.rst} (94%) diff --git a/Documentation/driver-api/mtd/index.rst b/Documentation/driver-api/mtd/index.rst index 436ba5a851d7..6a4278f409d7 100644 --- a/Documentation/driver-api/mtd/index.rst +++ b/Documentation/driver-api/mtd/index.rst @@ -7,6 +7,6 @@ Memory Technology Device (MTD) .. toctree:: :maxdepth: 1 - intel-spi + spi-intel nand_ecc spi-nor diff --git a/Documentation/driver-api/mtd/intel-spi.rst b/Documentation/driver-api/mtd/spi-intel.rst similarity index 94% rename from Documentation/driver-api/mtd/intel-spi.rst rename to Documentation/driver-api/mtd/spi-intel.rst index 0465f6879262..df854f20ead1 100644 --- a/Documentation/driver-api/mtd/intel-spi.rst +++ b/Documentation/driver-api/mtd/spi-intel.rst @@ -1,5 +1,5 @@ ============================== -Upgrading BIOS using intel-spi +Upgrading BIOS using spi-intel ============================== Many Intel CPUs like Baytrail and Braswell include SPI serial flash host @@ -11,12 +11,12 @@ avoid accidental (or on purpose) overwrite of the content. Not all manufacturers protect the SPI serial flash, mainly because it allows upgrading the BIOS image directly from an OS. -The intel-spi driver makes it possible to read and write the SPI serial +The spi-intel driver makes it possible to read and write the SPI serial flash, if certain protection bits are not set and locked. If it finds any of them set, the whole MTD device is made read-only to prevent partial overwrites. By default the driver exposes SPI serial flash contents as read-only but it can be changed from kernel command line, -passing "intel-spi.writeable=1". +passing "spi_intel.writeable=1". Please keep in mind that overwriting the BIOS image on SPI serial flash might render the machine unbootable and requires special equipment like @@ -32,7 +32,7 @@ Linux. serial flash. Distros like Debian and Fedora have this prepackaged with name "mtd-utils". - 3) Add "intel-spi.writeable=1" to the kernel command line and reboot + 3) Add "spi_intel.writeable=1" to the kernel command line and reboot the board (you can also reload the driver passing "writeable=1" as module parameter to modprobe). -- 2.33.0 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/