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From: Bagas Sanjaya <bagasdotme@gmail.com>
To: luca.ceresoli@bootlin.com, linux-doc@vger.kernel.org,
	linux-i2c@vger.kernel.org
Cc: Wolfram Sang <wsa@kernel.org>, Peter Rosin <peda@axentia.se>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 7/9] docs: i2c: i2c-topology: reorder sections more logically
Date: Tue, 9 Aug 2022 09:08:03 +0700	[thread overview]
Message-ID: <3971c298-9c9a-83a1-8dc7-5d59dd0e1a05@gmail.com> (raw)
In-Reply-To: <20220808141708.1021103-8-luca.ceresoli@bootlin.com>

On 8/8/22 21:17, luca.ceresoli@bootlin.com wrote:
> +Mux-locked caveats
> +~~~~~~~~~~~~~~~~~~
> +
> +When using a mux-locked mux, be aware of the following restrictions:
> +
> +* If you build a topology with a mux-locked mux being the parent
> +  of a parent-locked mux, this might break the expectation from the
> +  parent-locked mux that the root adapter is locked during the
> +  transaction.
> +
> +* It is not safe to build arbitrary topologies with two (or more)
> +  mux-locked muxes that are not siblings, when there are address
> +  collisions between the devices on the child adapters of these
> +  non-sibling muxes.
> +
> +  I.e. the select-transfer-deselect transaction targeting e.g. device
> +  address 0x42 behind mux-one may be interleaved with a similar
> +  operation targeting device address 0x42 behind mux-two. The
> +  intension with such a topology would in this hypothetical example
> +  be that mux-one and mux-two should not be selected simultaneously,
> +  but mux-locked muxes do not guarantee that in all topologies.
> +

These two sentences in n. 2) can be combined into a single paragraph.
Also, did you mean s/intension/intention/?

-- 
An old man doll... just what I always wanted! - Clara

  reply	other threads:[~2022-08-09  2:10 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-08 14:16 [PATCH 0/9] docs: i2c: rework I2C documentation, part II luca.ceresoli
2022-08-08 14:17 ` [PATCH 1/9] docs: i2c: i2c-protocol: update introductory paragraph luca.ceresoli
2022-08-11 21:03   ` Wolfram Sang
2022-08-08 14:17 ` [PATCH 2/9] docs: i2c: i2c-protocol,smbus-protocol: remove nonsense words luca.ceresoli
2022-08-11 21:03   ` Wolfram Sang
2022-08-08 14:17 ` [PATCH 3/9] docs: i2c: i2c-protocol: remove unused legend items luca.ceresoli
2022-08-11 21:05   ` Wolfram Sang
2022-08-08 14:17 ` [PATCH 4/9] docs: i2c: smbus-protocol: improve DataLow/DataHigh definition luca.ceresoli
2022-08-09  1:55   ` Bagas Sanjaya
2022-08-11 21:05   ` Wolfram Sang
2022-08-08 14:17 ` [PATCH 5/9] docs: i2c: instantiating-devices: add syntax coloring to dts and C blocks luca.ceresoli
2022-08-11 21:07   ` Wolfram Sang
2022-08-08 14:17 ` [PATCH 6/9] docs: i2c: i2c-topology: fix incorrect heading luca.ceresoli
2022-08-11 21:09   ` Wolfram Sang
2022-08-08 14:17 ` [PATCH 7/9] docs: i2c: i2c-topology: reorder sections more logically luca.ceresoli
2022-08-09  2:08   ` Bagas Sanjaya [this message]
2022-08-09  7:06     ` Luca Ceresoli
2022-08-11 21:09   ` Wolfram Sang
2022-08-08 14:17 ` [PATCH 8/9] docs: i2c: i2c-sysfs: improve wording luca.ceresoli
2022-08-11 21:13   ` Wolfram Sang
2022-08-11 21:23     ` Wolfram Sang
2022-08-12  7:13       ` Luca Ceresoli
2022-08-08 14:17 ` [PATCH 9/9] docs: i2c: i2c-sysfs: fix hyperlinks luca.ceresoli
2022-08-11 21:21   ` Wolfram Sang

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