Re: [PATCH 2/2] i2c: mv64xxx: add an optional reset-gpios property

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Hi Chris,

...

>              static struct mv64xxx_i2c_regs mv64xxx_i2c_regs_mv64xxx = {
>             @@ -1083,6 +1084,10 @@ mv64xxx_i2c_probe(struct platform_device *pd)
>                     if (drv_data->irq < 0)
>                             return drv_data->irq;
> 
>             +       drv_data->reset_gpio = devm_gpiod_get_optional(&pd->dev, "reset", GPIOD_OUT_HIGH);
>             +       if (IS_ERR(drv_data->reset_gpio))
>             +               return PTR_ERR(drv_data->reset_gpio);
> 
>         if this optional why are we returning in case of error?
> 
> gpiod_get_optional() will return NULL if the property is not present. The main
> error I care about here is -EPROBE_DEFER but I figure other errors are also
> relevant. This same kind of pattern is used in other drivers.

we already discussed about this, I don't have a strong opinion,
you can leave it as it is... I recon this is a matter of pure
taste.

Would you just mind adding an error message using
dev_err_probe()?

Thanks,
Andi




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