Re: [PATCH v2] iio: sx9310: Prefer async probe

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Quoting Douglas Anderson (2020-09-01 08:19:43)
> On one board I found that:
>   probe of 5-0028 returned 1 after 259547 usecs
> 
> While some of this time is attributable to the pile of i2c transfers
> that we do at probe time, the lion's share (over 200 ms) is sitting
> waiting in the polling loop in sx9310_init_compensation() waiting for
> the hardware to indicate that it's done.
> 
> There's no reason to block probe of all other devices on our probe.
> Turn on async probe.
> 
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> ---

Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>




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