From: Luca Ceresoli <luca.ceresoli@bootlin.com>
To: Cosmin Tanislav <demonsingur@gmail.com>
Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>,
Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Romain Gantois <romain.gantois@bootlin.com>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-media@vger.kernel.org
Subject: Re: [PATCH v5 8/9] i2c: atr: add static flag
Date: Wed, 21 May 2025 17:56:31 +0200 [thread overview]
Message-ID: <20250521175631.0af904e9@booty> (raw)
In-Reply-To: <20250507121917.2364416-9-demonsingur@gmail.com>
On Wed, 7 May 2025 15:19:14 +0300
Cosmin Tanislav <demonsingur@gmail.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@gmail.com>
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
--
Luca Ceresoli, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
next prev parent reply other threads:[~2025-05-21 15:56 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-07 12:19 [PATCH v5 0/9] i2c: atr: allow usage of nested ATRs Cosmin Tanislav
2025-05-07 12:19 ` [PATCH v5 1/9] i2c: atr: Fix lockdep for " Cosmin Tanislav
2025-05-22 9:06 ` Wolfram Sang
2025-05-22 9:31 ` Cosmin Tanislav
2025-05-22 10:07 ` Luca Ceresoli
2025-05-22 10:08 ` Luca Ceresoli
2025-05-22 10:11 ` Wolfram Sang
2025-05-07 12:19 ` [PATCH v5 2/9] i2c: atr: find_mapping() -> get_mapping() Cosmin Tanislav
2025-05-07 12:19 ` [PATCH v5 3/9] i2c: atr: split up i2c_atr_get_mapping_by_addr() Cosmin Tanislav
2025-05-21 15:56 ` Luca Ceresoli
2025-05-07 12:19 ` [PATCH v5 4/9] i2c: atr: do not create mapping in detach_addr() Cosmin Tanislav
2025-05-07 12:19 ` [PATCH v5 5/9] i2c: atr: deduplicate logic in attach_addr() Cosmin Tanislav
2025-05-07 12:19 ` [PATCH v5 6/9] i2c: atr: allow replacing mappings " Cosmin Tanislav
2025-05-21 15:56 ` Luca Ceresoli
2025-05-07 12:19 ` [PATCH v5 7/9] i2c: atr: add flags parameter to i2c_atr_new() Cosmin Tanislav
2025-05-22 8:50 ` Wolfram Sang
2025-05-22 10:10 ` Luca Ceresoli
2025-05-07 12:19 ` [PATCH v5 8/9] i2c: atr: add static flag Cosmin Tanislav
2025-05-21 15:56 ` Luca Ceresoli [this message]
2025-05-22 8:58 ` Wolfram Sang
2025-05-07 12:19 ` [PATCH v5 9/9] i2c: atr: add passthrough flag Cosmin Tanislav
2025-05-22 10:12 ` [PATCH v5 0/9] i2c: atr: allow usage of nested ATRs Wolfram Sang
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