From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Valdis Kl=?utf-8?Q?=c4=93?=tnieks" <valdis.kletnieks@vt.edu>
Subject: Re: [PATCHv5] drivers/amba: add reset control to amba bus probe
Date: Wed, 28 Aug 2019 09:46:45 -0400
Message-ID: <292438.1567000005@turing-police>
References: <20190826154252.22952-1-dinguyen@kernel.org> <30608.1566933924@turing-police>
 <46bcf493-9dd6-bf5b-089a-be158739a13f@kernel.org>
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To: Dinh Nguyen <dinguyen@kernel.org>
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On Wed, 28 Aug 2019 08:34:20 -0500, Dinh Nguyen said:

> > Does this DTRT for both old and new U-Boots? My naive reading of
> > this patch
>
> What is a DTRT?

Do The Right Thing, sorry...

> > says on an old U-Boot, we end up attempting to bring it out of
> > reset even though they had already been brought out.
> >
>
> If the peripheral is already out of reset, de-asserting the reset has
> no affect.

OK, thanks.  There's been hardware where doing that sort of thing twice will
confuse the device and cause issues.

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