Re: [PATCH] i2c: Mark I2C_CLASS_DDC as deprecated and emit warning if adapters declare support for it

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Hi Heiner!

> With removal of the legacy eeprom driver the only i2c client device
> driver with I2C_CLASS_DDC is gone, so it's time to mark I2C_CLASS_DDC
> as deprecated.

OK, but I will need to wait until the eeprom-removal hits mainline.

> Use pr_warn_once, because graphics adapters can have several i2c
> busses and we may see the warning multiple times otherwise.
> 
> Note:
> Driver staging/olpc_dcon declares support for classes HWMON and DDC,
> but only HWMON is used with the scx200_acb adapter driver on olpc
> devices.

And why don't we remove its DDC declaration here in this patch?

Thanks for cleaning this up!

Regards,

   Wolfram

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