Re: [PATCH v2 1/2] ufs: core: Add quirks for VCC ramp-up delay

From: Julian Calaby

Date: Wed Mar 11 2026 - 05:36:00 EST


Hi Ed,

On Tue, Mar 10, 2026 at 11:55 AM <ed.tsai@xxxxxxxxxxxx> wrote:
>
> From: Ed Tsai <ed.tsai@xxxxxxxxxxxx>
>
> On some platforms, the VCC regulator has a slow ramp-up time. Add a
> delay after enabling VCC to ensure voltage has fully stabilized before
> we enable the clocks.

I believe the regulator core has support for ramp delays and settling
time and all that sort of thing on regulators, so why isn't this just
some settings in the affected device's devicetree?

Thanks,

--
Julian Calaby

Email: julian.calaby@xxxxxxxxx
Profile: http://www.google.com/profiles/julian.calaby/