linux-kernel - Re: [PATCH v3 04/11] serial: sc16is7xx: add post reset delay

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Message-Id: <20230525091857.612b591997faa964dfdfe1f6@hugovil.com>
Date:   Thu, 25 May 2023 09:18:57 -0400
From:   Hugo Villeneuve <hugo@...ovil.com>
To:     andy.shevchenko@...il.com
Cc:     gregkh@...uxfoundation.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        jirislaby@...nel.org, jringle@...dpoint.com,
        tomasz.mon@...lingroup.com, l.perczak@...lintechnologies.com,
        linux-serial@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        Hugo Villeneuve <hvilleneuve@...onoff.com>
Subject: Re: [PATCH v3 04/11] serial: sc16is7xx: add post reset delay

On Thu, 25 May 2023 13:30:06 +0300
andy.shevchenko@...il.com wrote:

> Thu, May 25, 2023 at 12:03:17AM -0400, Hugo Villeneuve kirjoitti:
> > From: Hugo Villeneuve <hvilleneuve@...onoff.com>
> > 
> > Make sure we wait at least 3us before initiating communication with
> > the device after reset.
> 
> ...
> 
> > +	usleep_range(3, 5);
> 
> I would put (5, 10) instead to relax a bit the scheduler.

Hi,
Ok, done.