linux-kernel - Re: [PATCH v2] iio: dac: ad7293: enable power before reset

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Message-ID: <20241219163758.6507221a@jic23-huawei>
Date: Thu, 19 Dec 2024 16:37:58 +0000
From: Jonathan Cameron <jic23@...nel.org>
To: Nuno Sá <noname.nuno@...il.com>
Cc: David Lechner <dlechner@...libre.com>, Michael Hennerich
 <Michael.Hennerich@...log.com>, Liam Girdwood	 <lgirdwood@...il.com>, Mark
 Brown <broonie@...nel.org>, Antoniu Miclaus	 <antoniu.miclaus@...log.com>,
 Nuno Sá <nuno.sa@...log.com>, linux-iio@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] iio: dac: ad7293: enable power before reset

On Tue, 17 Dec 2024 11:05:38 +0100
Nuno Sá <noname.nuno@...il.com> wrote:

> On Mon, 2024-12-16 at 15:44 -0600, David Lechner wrote:
> > Change the order of regulator enable and reset so that power supplies
> > are turned on before touching the reset line. Generally, chips should
> > have the VDRIVE supply enabled before applying voltage on any pins.
> > 
> > While we are at it, remove the voltage level checks. If the power
> > supplies are not supplying the correct voltage, this is a hardware
> > design problem, not a software problem.
> > 
> > Signed-off-by: David Lechner <dlechner@...libre.com>
> > ---  
> 
> Reviewed-by: Nuno Sa <nuno.sa@...log.com>
Applied. Thanks