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,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 2102CC2D0EF for ; Fri, 17 Apr 2020 16:07:56 +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 E89A820771 for ; Fri, 17 Apr 2020 16:07:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="i62bzriY" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E89A820771 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=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:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Vd4tuxSkqqMiBMjjJhG3kJbMzpHCX8tasfdqKkybwBA=; b=i62bzriYAlB2Lz FdCodNZfOhldpjhpQt2XYnbVawYaXBuz7MDUMU7K8PIK9oQLFzeunsoSqegn9VHZkxzFrxfAemI/8 ULVFhzj/ulXzQupQvxlgi37lmqM+jPnAlIRNV/YOJkeL6kBY9GulLPIrUWBzgqfkygNMMj8s7pYxF BpNXp5ubxWPyXMcCkUz1oyzbimlUD7vZ8TOQTJbUxDC8nynSmA/S3rB145p6s4N1dBt4NzdfJJcwV ErQo0F95GmQNU0OYQbnURpkRGFvay4ZyG1Rn1lYZ6vepwkQsmqt72lhdj6VwZziVyMdm7Cv3VH3Co jo3wyFzTwQa3BbfxKiMA==; 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 1jPTWu-0003bT-VD; Fri, 17 Apr 2020 16:07:48 +0000 Received: from mga04.intel.com ([192.55.52.120]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jPTWs-0003af-CD for linux-mtd@lists.infradead.org; Fri, 17 Apr 2020 16:07:47 +0000 IronPort-SDR: PS45Y+VmNvQHVPOe0VXpwz4vz9nxEb5HWznoWrEXTHLRim1pK32A48t2q5xR2UTfBOSpgT+S8D GkcIt9Q6LhEA== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Apr 2020 09:07:41 -0700 IronPort-SDR: 1HQJvjnolJPKFAP62COZ9TMk7tX9XoyU6VSAa4A7mIedIlinFnA7I98Cnc8kxK0YKbxP0gp0PZ IYjUtkB9s9xA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,395,1580803200"; d="scan'208";a="364367135" Received: from lahna.fi.intel.com (HELO lahna) ([10.237.72.163]) by fmsmga001.fm.intel.com with SMTP; 17 Apr 2020 09:07:37 -0700 Received: by lahna (sSMTP sendmail emulation); Fri, 17 Apr 2020 19:07:36 +0300 Date: Fri, 17 Apr 2020 19:07:36 +0300 From: Mika Westerberg To: "Ronald G. Minnich" Subject: Re: [PATCH] mtd: spi-nor: controllers: intel-spi: Add support for command line partitions Message-ID: <20200417160736.GE2586@lahna.fi.intel.com> References: <20200417152613.176554-1-rminnich@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200417152613.176554-1-rminnich@google.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200417_090746_436770_8B41A18C X-CRM114-Status: GOOD ( 11.72 ) 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: Vignesh Raghavendra , Tudor Ambarus , Richard Weinberger , Boris Brezillon , Jethro Beekman , linux-kernel@vger.kernel.org, Greg Kroah-Hartman , linux-mtd@lists.infradead.org, Miquel Raynal , Alexander Sverdlin , "Ronald G. Minnich" , Thomas Gleixner 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 On Fri, Apr 17, 2020 at 08:26:11AM -0700, Ronald G. Minnich wrote: > On Intel platforms, the usable SPI area is located several > MiB in from the start, to leave room for descriptors and > the Management Engine binary. Further, not all the remaining > space can be used, as the last 16 MiB contains firmware. > > To make the SPI usable for mtdblock and other devices, > it is necessary to enable command line partitions so the > middle usable region can be specified. > > Add a part_probes array which includes only "cmdelineparts", > and change to mtd_device_parse_register to use this part_probes. > > Signed-off-by: Ronald G. Minnich Reviewed-by: Mika Westerberg ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/