Re: [PATCH v2 1/2] mfd: madera: Increase wait time for silicon reset
From: Charles Keepax
Date: Tue Oct 02 2018 - 06:55:53 EST
On Tue, Oct 02, 2018 at 11:41:33AM +0100, Richard Fitzgerald wrote:
> Based on latest silicon validation, we should allow at least
> 2 milliseconds after DCVDD enable or hard reset before trying
> to communicate with the silicon.
>
> Previously the delay was done as a side-effect of
> madera_disable_hard_reset(). As we also need this delay when
> enabling DCVDD (with or without hard reset) it is better for it
> to be obvious where it happens in every power-up sequence rather
> than hidden within another call in some cases. So it has been
> moved out into a separate function call.
>
> Signed-off-by: Richard Fitzgerald <rf@xxxxxxxxxxxxxxxxxxxxx>
> ---
Reviewed-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx>
Thanks,
Charles