linux-kernel - [RFC PATCH v2 7/8] mmc: block: set fwnode of disk devices

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <84aba89131f19c836ad0bc029bb74ea1d6f08d17.1709667858.git.daniel@makrotopia.org>
Date: Tue, 5 Mar 2024 20:24:29 +0000
From: Daniel Golle <daniel@...rotopia.org>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Ulf Hansson <ulf.hansson@...aro.org>, Jens Axboe <axboe@...nel.dk>,
	Daniel Golle <daniel@...rotopia.org>,
	Dave Chinner <dchinner@...hat.com>, Jan Kara <jack@...e.cz>,
	Thomas Weißschuh <linux@...ssschuh.net>,
	Christian Brauner <brauner@...nel.org>,
	Li Lingfeng <lilingfeng3@...wei.com>,
	Damien Le Moal <dlemoal@...nel.org>, Min Li <min15.li@...sung.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Hannes Reinecke <hare@...e.de>,
	Christian Loehle <CLoehle@...erstone.com>,
	Avri Altman <avri.altman@....com>, Bean Huo <beanhuo@...ron.com>,
	Yeqi Fu <asuk4.q@...il.com>,
	Victor Shih <victor.shih@...esyslogic.com.tw>,
	Christophe JAILLET <christophe.jaillet@...adoo.fr>,
	"Ricardo B. Marliere" <ricardo@...liere.net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-mmc@...r.kernel.org, linux-block@...r.kernel.org
Cc: Diping Zhang <diping.zhang@...inet.com>,
	Jianhui Zhao <zhaojh329@...il.com>,
	Jieying Zeng <jieying.zeng@...inet.com>,
	Chad Monroe <chad.monroe@...ran.com>,
	Adam Fox <adam.fox@...ran.com>, John Crispin <john@...ozen.org>
Subject: [RFC PATCH v2 7/8] mmc: block: set fwnode of disk devices

Set fwnode of disk devices to 'block', 'boot0' and 'boot1' subnodes of
the mmc-card. This is done in preparation for having the eMMC act as
NVMEM provider.

Signed-off-by: Daniel Golle <daniel@...rotopia.org>
---
 drivers/mmc/core/block.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index bd165cef2bbc3..c3e9477743515 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -2461,6 +2461,7 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
 					      int area_type,
 					      unsigned int part_type)
 {
+	struct fwnode_handle *fwnode;
 	struct mmc_blk_data *md;
 	int devidx, ret;
 	char cap_str[10];
@@ -2557,6 +2558,12 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
 
 	blk_queue_write_cache(md->queue.queue, cache_enabled, fua_enabled);
 
+	fwnode = device_get_named_child_node(subname ? md->parent->parent :
+						       md->parent,
+					     subname ? subname : "block");
+	if (fwnode)
+		device_set_node(disk_to_dev(md->disk), fwnode);
+
 	string_get_size((u64)size, 512, STRING_UNITS_2,
 			cap_str, sizeof(cap_str));
 	pr_info("%s: %s %s %s%s\n",
-- 
2.44.0