linux-kernel - Re: [PATCH 1/4] eeprom: at24: don't assign the i2c ID table to at24

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Message-ID: <47dab3e5-1232-dbaf-2dc0-d71d83ef8d38@axentia.se>
Date:   Wed, 11 Apr 2018 12:12:54 +0200
From:   Peter Rosin <peda@...ntia.se>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Andy Shevchenko <andy.shevchenko@...il.com>,
        Sven Van Asbroeck <svendev@...x.com>,
        linux-i2c <linux-i2c@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/4] eeprom: at24: don't assign the i2c ID table to
 at24_driver

On 2018-04-11 12:09, Bartosz Golaszewski wrote:
> 2018-04-11 11:56 GMT+02:00 Peter Rosin <peda@...ntia.se>:
>> On 2018-04-10 15:12, Bartosz Golaszewski wrote:
>>> We switched to using probe_new(), so this is no longer used
>>> by i2c core.
>>
>> It seems to be used in i2c_device_match() ???
>>
>> This could easily be me not understanding something...
>>
> 
> Yes, but i2c core no longer uses the id_table field in struct
> i2c_driver. We call i2c_device_match() ourselves instead of letting
> i2c core do it and pass the driver data to probe().
> 
> Hope that helps,
> Bartosz
> 

But, i2c_device_match is a static function in the core. I think you
are confusing it with i2c_match_id, which is in fact called from
the static i2c_device_match (with is a bus operation).

So, no, it didn't really help...

Cheers,
Peter