From: Heiner Kallweit <hkallweit1@gmail.com>
To: Wolfram Sang <wsa@kernel.org>
Cc: "linux-i2c@vger.kernel.org" <linux-i2c@vger.kernel.org>,
Jean Delvare <jdelvare@suse.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Arnd Bergmann <arnd@arndb.de>
Subject: Re: [PATCH v2] eeprom: ee1004: Add support for multiple i2c busses
Date: Tue, 19 Dec 2023 22:40:23 +0100 [thread overview]
Message-ID: <3785ae44-8ced-446a-81a6-8be15bcaa04b@gmail.com> (raw)
In-Reply-To: <f1a216a8-e77c-49f2-8838-561349b30ab8@gmail.com>
On 16.11.2023 15:31, Heiner Kallweit wrote:
> There are systems with more than 8 memory slots where the i2c bus for
> SPD is multiplexed. i2c_register_spd() isn't used yet on such systems,
> but it's planned. So we need to extend ee1004 accordingly.
> With this extension a maximum of 8 i2c busses is supported.
>
> I don't have such a system for testing, therefore I just verified
> that the driver still works on a system with a single i2c bus.
>
> For the sake of simplicity the extension uses the existing global
> mutex to protect access on all busses. This could be improved,
> but we support 8 busses only, and SPD data is small and rarely
> accessed, so it shouldn't be a problem.
>
> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
> ---
> v2:
> - simplify code by using i2c_set/get_clientdata
> ---
Patch has been applied by Greg and can be set to "handled elsewhere"
in i2c patchwork.
prev parent reply other threads:[~2023-12-19 21:40 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-16 14:31 [PATCH v2] eeprom: ee1004: Add support for multiple i2c busses Heiner Kallweit
2023-12-19 21:40 ` Heiner Kallweit [this message]
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