From: "Rob Herring (Arm)" <robh@kernel.org>
To: Christian Marangi <ansuelsmth@gmail.com>
Cc: upstream@airoha.com, Mikko Rapeli <mikko.rapeli@linaro.org>,
linux-kernel@vger.kernel.org,
INAGAKI Hiroshi <musashino.open@gmail.com>,
Ulf Hansson <ulf.hansson@linaro.org>,
Dominique Martinet <dominique.martinet@atmark-techno.com>,
Riyan Dhiman <riyandhiman14@gmail.com>,
Li Lingfeng <lilingfeng3@huawei.com>,
Conor Dooley <conor+dt@kernel.org>, Jan Kara <jack@suse.cz>,
Linus Walleij <linus.walleij@linaro.org>,
Jorge Ramirez-Ortiz <jorge@foundries.io>,
linux-block@vger.kernel.org,
Jens Wiklander <jens.wiklander@linaro.org>,
Li Zhijian <lizhijian@fujitsu.com>,
Christophe JAILLET <christophe.jaillet@wanadoo.fr>,
Jens Axboe <axboe@kernel.dk>,
linux-doc@vger.kernel.org, Lorenzo Bianconi <lorenzo@kernel.org>,
Miquel Raynal <miquel.raynal@bootlin.com>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Ming Lei <ming.lei@redhat.com>, Al Viro <viro@zeniv.linux.org.uk>,
Christian Heusel <christian@heusel.eu>,
Jonathan Corbet <corbet@lwn.net>,
linux-mmc@vger.kernel.org,
Adrian Hunter <adrian.hunter@intel.com>,
Avri Altman <avri.altman@wdc.com>,
devicetree@vger.kernel.org, Daniel Golle <daniel@makrotopia.org>,
Christian Brauner <brauner@kernel.org>
Subject: Re: [PATCH v5 6/6] dt-bindings: mmc: Document support for partition table in mmc-card
Date: Wed, 2 Oct 2024 16:07:28 -0500 [thread overview]
Message-ID: <172790324832.1315949.14972458101989474417.robh@kernel.org> (raw)
In-Reply-To: <20241001221931.9309-7-ansuelsmth@gmail.com>
On Wed, 02 Oct 2024 00:18:58 +0200, Christian Marangi wrote:
> Document support for defining a partition table in the mmc-card node.
>
> This is needed if the eMMC doesn't have a partition table written and
> the bootloader of the device load data by using absolute offset of the
> block device. This is common on embedded device that have eMMC installed
> to save space and have non removable block devices.
>
> If an OF partition table is detected, any partition table written in the
> eMMC will be ignored and won't be parsed.
>
> eMMC provide a generic disk for user data and if supported (JEDEC 4.4+)
> also provide two additional disk ("boot1" and "boot2") for special usage
> of boot operation where normally is stored the bootloader or boot info.
> New JEDEC version also supports up to 4 GP partition for other usage
> called "gp1", "gp2", "gp3", "gp4".
>
> Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
> ---
> .../devicetree/bindings/mmc/mmc-card.yaml | 52 +++++++++++++++++++
> 1 file changed, 52 insertions(+)
>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
prev parent reply other threads:[~2024-10-02 21:07 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-01 22:18 [PATCH v5 0/6] block: partition table OF support Christian Marangi
2024-10-01 22:18 ` [PATCH v5 1/6] block: add support for defining read-only partitions Christian Marangi
2024-10-01 22:18 ` [PATCH v5 2/6] docs: block: Document support for read-only partition in cmdline part Christian Marangi
2024-10-01 22:18 ` [PATCH v5 3/6] block: introduce device_add_of_disk() Christian Marangi
2024-10-02 8:40 ` Christoph Hellwig
2024-10-02 8:46 ` Christian Marangi
2024-10-02 9:04 ` Christoph Hellwig
2024-10-01 22:18 ` [PATCH v5 4/6] mmc: block: attach partitions fwnode if found in mmc-card Christian Marangi
2024-10-02 13:59 ` Linus Walleij
2024-10-01 22:18 ` [PATCH v5 5/6] block: add support for partition table defined in OF Christian Marangi
2024-10-02 8:43 ` Christoph Hellwig
2024-10-01 22:18 ` [PATCH v5 6/6] dt-bindings: mmc: Document support for partition table in mmc-card Christian Marangi
2024-10-02 14:01 ` Linus Walleij
2024-10-02 21:07 ` Rob Herring (Arm) [this message]
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