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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 033A6C433FE for ; Mon, 9 May 2022 10:50:16 +0000 (UTC) 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:Message-ID:Subject:Cc:To: From:Date: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=TYjT1dqfEs+r3xRpRJUtAV1jObMnviqL313UVWfN9KA=; b=kWHLOy1RXRtbNA x3t5rEDUjW3z7LwWHUrlGrSiZCS1Yvz3WD3Qetxpw7oJvetBAo2zv+klympmzNAE2ywYQW4W4Slmy HGLsBRReopnlDqTsqNwWoCNl50bJ/ig9aHOO9q6na/jO1Ep2qOOONwarYe6Lk3dvtLKe2/D3EAkjq xRUFhIQ4iNKwg4P4zKoaosC+iNHY7+uZUEwLUnhwRU3Fu2whc5sR4Er1n3K8lNQy6xOqH+THHRjLW YC4yvBufnWhe85ABmzo4j5ToLDih0o/lMbGWkucikgERnltkvK6IPPE0QLJSSGC+kHEJbgvnbRM0p 21OV01ileZ52FO8Jn9BA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1no0xc-00DsDL-9u; Mon, 09 May 2022 10:49:52 +0000 Received: from fudo.makrotopia.org ([2a07:2ec0:3002::71]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1no0xF-00DryO-JY for linux-mtd@lists.infradead.org; Mon, 09 May 2022 10:49:31 +0000 Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.94.2) (envelope-from ) id 1no0xE-0000JI-5b; Mon, 09 May 2022 12:49:28 +0200 Date: Mon, 9 May 2022 11:49:21 +0100 From: Daniel Golle To: linux-block@vger.kernel.org, linux-efi@vger.kernel.org, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Tom Rini , Jens Axboe , Davidlohr Bueso , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Masahiro Yamada Subject: [PATCH v2 5/5] mtd: ubi: block: add option to enable scanning for partitions Message-ID: MIME-Version: 1.0 Content-Disposition: inline X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220509_034929_668624_772B7E72 X-CRM114-Status: GOOD ( 11.45 ) 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 Add Kconfig option CONFIG_MTD_UBI_BLOCK_PARTITIONS and enable block partition parsers on ubiblock devices in case it is selected. Signed-off-by: Daniel Golle --- drivers/mtd/ubi/Kconfig | 10 ++++++++++ drivers/mtd/ubi/block.c | 5 ++++- 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/ubi/Kconfig b/drivers/mtd/ubi/Kconfig index 2ed77b7b3fcb56..491330e42ab201 100644 --- a/drivers/mtd/ubi/Kconfig +++ b/drivers/mtd/ubi/Kconfig @@ -104,4 +104,14 @@ config MTD_UBI_BLOCK If in doubt, say "N". +config MTD_UBI_BLOCK_PARTITIONS + bool "Scan UBI block devices for partitions" + default y if FIT_PARTITION + depends on MTD_UBI_BLOCK + help + Scan UBI block devices for partitions (ie. MBR, GPT, uImage.FIT, ...). + + Unless your UBI volumes contain sub-partitions mapped using a partition + table, say no. + endif # MTD_UBI diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c index 18683d1c1bf501..196a95e77a7747 100644 --- a/drivers/mtd/ubi/block.c +++ b/drivers/mtd/ubi/block.c @@ -431,7 +431,10 @@ int ubiblock_create(struct ubi_volume_info *vi) ret = -ENODEV; goto out_cleanup_disk; } - gd->flags |= GENHD_FL_NO_PART; + + if (!IS_ENABLED(CONFIG_MTD_UBI_BLOCK_PARTITIONS)) + gd->flags |= GENHD_FL_NO_PART; + gd->private_data = dev; sprintf(gd->disk_name, "ubiblock%d_%d", dev->ubi_num, dev->vol_id); set_capacity(gd, disk_capacity); -- 2.36.0 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/