Re: [PATCH v1 3/3] mfd: tps80031: Remove driver

[Wolfram Sang]

> It's I2C driver. I'm not sure about auto-probing because something
> should provide information about device to Linux. It's possible to
> detect/scan whether there is device sitting on I2C address, but there is
> no auto-discovery mechanism, AFAIK.

Well, in general, it could be manually instantiated from userspace...

> 
> TPS80031 device will fail to bind to this driver because it explicitly
> requires platform data which should be NULL if device is probed solely
> by I2C ID.

..but I agree in this case. The driver has this code:

        if (!pdata) {
                dev_err(&client->dev, "tps80031 requires platform data\n");
                return -EINVAL;
        }

and git grep shows no user having platform data.

Shouldn't 'drivers/regulator/tps80031-regulator.c' and
'./rtc/rtc-tps80031.c' be removed as well?

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