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From: Guenter Roeck <linux@roeck-us.net>
To: "Thomas Weißschuh" <linux@weissschuh.net>
Cc: Andi Shyti <andi.shyti@kernel.org>,
	Jean Delvare <jdelvare@suse.com>,
	linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
	Wolfram Sang <wsa+renesas@sang-engineering.com>,
	Heiner Kallweit <hkallweit1@gmail.com>
Subject: Re: [PATCH v2 4/4] i2c: piix4: Register SPDs
Date: Sat, 29 Jun 2024 07:09:39 -0700	[thread overview]
Message-ID: <094fad89-b5b9-4dc3-975d-13a841e212ae@roeck-us.net> (raw)
In-Reply-To: <afd11870-eab1-4b90-9b81-2a7c84be46e5@t-8ch.de>

On 6/29/24 00:19, Thomas Weißschuh wrote:
> On 2024-06-28 16:09:09+0000, Guenter Roeck wrote:
>> On 6/27/24 10:48, Thomas Weißschuh wrote:
>>> The piix4 I2C bus can carry SPDs, register them if present.
>>> Only look on bus 0, as this is where the SPDs seem to be located.
>>>
>>> Only the first 8 slots are supported. If the system has more,
>>> then these will not be visible.
>>>
>>> The AUX bus can not be probed as on some platforms it reports all
>>> devices present and all reads return "0".
>>> This would allow the ee1004 to be probed incorrectly.
>>
>> Was this reported somewhere ? I don't see it happen on any of my systems
>> (of course that doesn't really mean anything).
> 
> It happened on one of the big server systems I tested on.
> 

>>> Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
>>
>> Reviewed-and-tested-by: Guenter Roeck <linux@roeck-us.net>
> 
> Thanks!
> 
> FYI, combined tags are discouraged by
> Documentation/process/maintainer-tip.rst:
> 
>    Please do not use combined tags, e.g. ``Reported-and-tested-by``, as
>    they just complicate automated extraction of tags.
> 
> I'll add the tags in split form to the patch.
> 

NP with me. though strictly speaking that only applies to the tip tree.
I started using it after someone else asked for it, but I don't like it
too much anyway. Combining it was an attempt to avoid the "please
combine ..." feedback ;-).

On a side note, I also applied the other three patches, but I am not sure
if that counts as "Tested", so I didn't send a tag for those.

Thanks,
Guenter


  parent reply	other threads:[~2024-06-29 14:09 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-27 17:48 [PATCH v2 0/4] i2c: smbus cleanups and SPD support for piix4 Thomas Weißschuh
2024-06-27 17:48 ` [PATCH v2 1/4] i2c: smbus: only limit max banks to eight Thomas Weißschuh
2024-07-04 21:57   ` Andi Shyti
2024-07-05  5:55     ` Thomas Weißschuh 
2024-07-05  7:26       ` Heiner Kallweit
2024-07-05 11:56       ` Andi Shyti
2024-07-09 17:27         ` Thomas Weißschuh
2024-06-27 17:48 ` [PATCH v2 2/4] i2c: smbus: probe SPDs on a best-effort basis Thomas Weißschuh
2024-06-27 17:48 ` [PATCH v2 3/4] i2c: smbus: drop warning about muxed segments requirement Thomas Weißschuh
2024-06-27 17:48 ` [PATCH v2 4/4] i2c: piix4: Register SPDs Thomas Weißschuh
2024-06-28 23:09   ` Guenter Roeck
2024-06-29  7:19     ` Thomas Weißschuh
2024-06-29 14:01       ` Guenter Roeck
2024-06-29 14:09       ` Guenter Roeck [this message]
2024-07-04 21:45       ` Andi Shyti
2024-07-04 21:56 ` [PATCH v2 0/4] i2c: smbus cleanups and SPD support for piix4 Andi Shyti
2024-07-05  5:51   ` Thomas Weißschuh 

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