From patchwork Thu Mar 21 19:33:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 781746 Received: from pidgin.makrotopia.org (pidgin.makrotopia.org [185.142.180.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 377BC132C37; Thu, 21 Mar 2024 19:34:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.142.180.65 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711049658; cv=none; b=MTIRbaIyGguKAZ5EZFxDNsHbz1lx3nvwhZYllMR4edrXciTEv0yIwXmmNxqtGU/AKgF7hezkBWXi436Yog91lCGiOx0PpNlCa75MiiHirYJHAXR0vjP7ZSLN8dCPGEmZ6aEwKuar84OVOdvQJzYykxJWrCIW+ENO8wDqf5QMPds= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711049658; c=relaxed/simple; bh=riNJOLS1PDkHeYFfgxlyU2hpU4+11KYkJC8sj8wJoVw=; h=Date:From:To:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=rBnRT1fSOg6UQFuQwR6lXwuJ9EDf6VqJr6afi62135KFoDK7KzdcMkO7W+gnkci/9dneScer+LWGqUmQ5p+vSA+4SOg+J3nKPQKl2zOB8+Ec4Q4sOtN88uZBlubNfRorSpLpa/UwfRaV5epfS0UpQrXyGMHOqdWAMJNCcRNcvRU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=makrotopia.org; spf=pass smtp.mailfrom=makrotopia.org; arc=none smtp.client-ip=185.142.180.65 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=makrotopia.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=makrotopia.org Received: from local by pidgin.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96.2) (envelope-from ) id 1rnOAj-0000Ex-2q; Thu, 21 Mar 2024 19:33:54 +0000 Date: Thu, 21 Mar 2024 19:33:49 +0000 From: Daniel Golle To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Ulf Hansson , Jens Axboe , Daniel Golle , Dave Chinner , Jan Kara , Thomas =?iso-8859-1?q?Wei=DFschuh?= , Damien Le Moal , Li Lingfeng , Christian Brauner , Christian Heusel , Min Li , Adrian Hunter , Avri Altman , Hannes Reinecke , Christian Loehle , Bean Huo , Yeqi Fu , Victor Shih , Christophe JAILLET , Dominique Martinet , "Ricardo B. Marliere" , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, linux-block@vger.kernel.org Subject: [PATCH 3/8] block: add new genhd flag GENHD_FL_NVMEM Message-ID: <89abd9ab93783da0e8934ebc03d66559f78f6060.1711048433.git.daniel@makrotopia.org> References: Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Add new flag to destinguish block devices which may act as an NVMEM provider. Signed-off-by: Daniel Golle --- include/linux/blkdev.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index c3e8f7cf96be9..f2c4f280d7619 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -81,11 +81,13 @@ struct partition_meta_info { * ``GENHD_FL_NO_PART``: partition support is disabled. The kernel will not * scan for partitions from add_disk, and users can't add partitions manually. * + * ``GENHD_FL_NVMEM``: the block device should be considered as NVMEM provider. */ enum { GENHD_FL_REMOVABLE = 1 << 0, GENHD_FL_HIDDEN = 1 << 1, GENHD_FL_NO_PART = 1 << 2, + GENHD_FL_NVMEM = 1 << 3, }; enum {