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From patchwork Tue Jul 30 19:27:07 2024
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X-Patchwork-Submitter: Daniel Golle <daniel@makrotopia.org>
X-Patchwork-Id: 13747818
Date: Tue, 30 Jul 2024 20:27:07 +0100
From: Daniel Golle <daniel@makrotopia.org>
To: Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>, Jens Axboe <axboe@kernel.dk>,
Daniel Golle <daniel@makrotopia.org>, Christian Brauner <brauner@kernel.org>,
Al Viro <viro@zeniv.linux.org.uk>, Li Lingfeng <lilingfeng3@huawei.com>,
Ming Lei <ming.lei@redhat.com>, Christian Heusel <christian@heusel.eu>,
=?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= <rafal@milecki.pl>,
Felix Fietkau <nbd@nbd.name>, John Crispin <john@phrozen.org>,
Chad Monroe <chad.monroe@adtran.com>, Yangyu Chen <cyy@cyyself.name>,
Tianling Shen <cnsztl@immortalwrt.org>, Chuanhong Guo <gch981213@gmail.com>,
Chen Minqiang <ptpt52@gmail.com>, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-block@vger.kernel.org
Subject: [PATCH v5 4/4] block: add new genhd flag GENHD_FL_NVMEM
Message-ID:
<311ea569c23ce14e2896cd3b069dc494c58c49c2.1722365899.git.daniel@makrotopia.org>
References: <cover.1722365899.git.daniel@makrotopia.org>
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Add new flag to destinguish block devices which may act as an NVMEM
provider.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
---
include/linux/blkdev.h | 2 ++
1 file changed, 2 insertions(+)
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -80,11 +80,13 @@ 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 {
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