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[93.34.90.105]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-42e96a1f2aasm28802565e9.45.2024.09.25.14.46.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Sep 2024 14:46:42 -0700 (PDT) From: Christian Marangi To: Jens Axboe , Jonathan Corbet , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Ulf Hansson , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Christian Marangi , Simon Glass , INAGAKI Hiroshi , Daniel Golle , Al Viro , Christian Brauner , Li Lingfeng , Christian Heusel , =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= , linux-block@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, Lorenzo Bianconi Subject: [RFC PATCH v2 2/5] docs: block: Document support for read-only partition in cmdline part Date: Wed, 25 Sep 2024 23:45:22 +0200 Message-ID: <20240925214544.6114-3-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240925214544.6114-1-ansuelsmth@gmail.com> References: <20240925214544.6114-1-ansuelsmth@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Document support for read-only partition in cmdline partition for block devices by appending "ro" after the (partition name). Signed-off-by: Christian Marangi --- Documentation/block/cmdline-partition.rst | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/block/cmdline-partition.rst b/Documentation/bloc= k/cmdline-partition.rst index 530bedff548a..526ba201dddc 100644 --- a/Documentation/block/cmdline-partition.rst +++ b/Documentation/block/cmdline-partition.rst @@ -39,13 +39,16 @@ blkdevparts=3D[;] create a link to block device partition with the name "PARTNAME". User space application can access partition by partition name. =20 +ro + read-only. Flag the partition as read-only. + Example: =20 eMMC disk names are "mmcblk0" and "mmcblk0boot0". =20 bootargs:: =20 - 'blkdevparts=3Dmmcblk0:1G(data0),1G(data1),-;mmcblk0boot0:1m(boot),-(k= ernel)' + 'blkdevparts=3Dmmcblk0:1G(data0),1G(data1),-;mmcblk0boot0:1m(boot)ro,-= (kernel)' =20 dmesg:: =20 --=20 2.45.2