linux-kernel - Re: [PATCH v5 8/9] i2c: atr: add static flag

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Message-ID: <20250521175631.0af904e9@booty>
Date: Wed, 21 May 2025 17:56:31 +0200
From: Luca Ceresoli <luca.ceresoli@...tlin.com>
To: Cosmin Tanislav <demonsingur@...il.com>
Cc: Wolfram Sang <wsa+renesas@...g-engineering.com>, Tomi Valkeinen
 <tomi.valkeinen@...asonboard.com>, Mauro Carvalho Chehab
 <mchehab@...nel.org>, Romain Gantois <romain.gantois@...tlin.com>, Arnd
 Bergmann <arnd@...db.de>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-media@...r.kernel.org
Subject: Re: [PATCH v5 8/9] i2c: atr: add static flag

On Wed,  7 May 2025 15:19:14 +0300
Cosmin Tanislav <demonsingur@...il.com> wrote:

> Some I2C ATRs do not support dynamic remapping, only static mapping
> of direct children.
> 
> Mappings will only be added or removed as a result of devices being
> added or removed from a child bus.
> 
> The ATR pool will have to be big enough to accomodate all devices
> expected to be added to the child buses.
> 
> Add a new flag that prevents old mappings to be replaced or new mappings
> to be created in the alias finding code paths.
> 
> Signed-off-by: Cosmin Tanislav <demonsingur@...il.com>

Reviewed-by: Luca Ceresoli <luca.ceresoli@...tlin.com>

-- 
Luca Ceresoli, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com