Re: [PATCH 2/3] spi: spi-geni-qcom: Set an autosuspend delay of 250 ms

[Akash Asthana]

On 7/2/2020 6:15 AM, Douglas Anderson wrote:
> In commit 0e3b8a81f5df ("spi: spi-geni-qcom: Add interconnect
> support") the spi_geni_runtime_suspend() and spi_geni_runtime_resume()
> became a bit slower.  Measuring on my hardware I see numbers in the
> hundreds of microseconds now.
>
> Let's use autosuspend to help avoid some of the overhead.  Now if
> we're doing a bunch of transfers we won't need to be constantly
> chruning.
>
> The number 250 ms for the autosuspend delay was picked a bit
> arbitrarily, so if someone has measurements showing a better value we
> could easily change this.

Reviewed-by: Akash Asthana<akashast@xxxxxxxxxxxxxx>

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