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 E1D9BC433F5 for ; Wed, 13 Oct 2021 12:46:28 +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 A9DBD610F8 for ; Wed, 13 Oct 2021 12:46:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org A9DBD610F8 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=6+ShkHPcbswMD/cmtqZGz686AUdF/CwCHAPgzxHAaoo=; b=U1N2GUegiQ6y1T j03ZwcoqFCQQ0s5hB7IsTyR2jqwjPRnaJXsuqItWND9fGTumKl5y0CwieMPC4CGvZ2fnIquvnIasq ltWjARQHkdpGRve3U3pwDaOlXZyqbLdKHrFepDvfwej8JFogFWIJFWWOvlhLRVJyFd5RnvNxNQno8 VxG9J4y8F0QNJ8SkQhsMRSIytRLgdtHHSMZcKJ4V7pv/rDb8U68EmJQyzCUgeVrfvoqASqix/wlkX mwuI/CLzmR7s6Y09yVQ2fzxo+JpLq9kExij9o3/5deHYtU+cBu+M9AjoZnDhc0pn3GuY/yezA7390 OK4qfuzIawxSxFYWQz5w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1maddt-00Get5-DU; Wed, 13 Oct 2021 12:45:57 +0000 Received: from mga01.intel.com ([192.55.52.88]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1macgQ-00GNsV-RB for linux-mtd@lists.infradead.org; Wed, 13 Oct 2021 11:44:33 +0000 X-IronPort-AV: E=McAfee;i="6200,9189,10135"; a="250823132" X-IronPort-AV: E=Sophos;i="5.85,370,1624345200"; d="scan'208";a="250823132" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Oct 2021 04:44:29 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.85,370,1624345200"; d="scan'208";a="592143038" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga004.jf.intel.com with ESMTP; 13 Oct 2021 04:44:25 -0700 Received: by black.fi.intel.com (Postfix, from userid 1001) id 3AE9536E; Wed, 13 Oct 2021 14:44:33 +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 , Andy Shevchenko , Mika Westerberg , linux-mtd@lists.infradead.org, linux-spi@vger.kernel.org Subject: [PATCH v3 3/3] Documentation / MTD: Rename the intel-spi driver Date: Wed, 13 Oct 2021 14:44:32 +0300 Message-Id: <20211013114432.31352-4-mika.westerberg@linux.intel.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211013114432.31352-1-mika.westerberg@linux.intel.com> References: <20211013114432.31352-1-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-20211013_044430_952794_4446D762 X-CRM114-Status: GOOD ( 16.55 ) 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 spi-intel. Keep the guide under MTD documentation because this is pretty much still about MTD and SPI-NOR. Signed-off-by: Mika Westerberg Reviewed-by: Andy Shevchenko --- 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/