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Date:   Thu, 20 Aug 2020 10:39:44 +0200
From:   Boris Brezillon <boris.brezillon@collabora.com>
To:     Miquel Raynal <miquel.raynal@bootlin.com>
Cc:     Nicolas Pitre <nico@fluxnic.net>, linux-i3c@lists.infradead.org,
        devicetree@vger.kernel.org,
        Laura Nixon <laura.nixon@team.mipi.org>,
        Robert Gough <robert.gough@intel.com>,
        Rob Herring <robh+dt@kernel.org>,
        Matthew Schnoor <matthew.schnoor@intel.com>,
        Nicolas Pitre <npitre@baylibre.com>
Subject: Re: [PATCH 2/2] i3c/master: add the mipi-i3c-hci driver
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On Thu, 20 Aug 2020 10:08:29 +0200
Miquel Raynal <miquel.raynal@bootlin.com> wrote:

> > +		/*
> > +		 * TODO: Extend the subsystem layer to allow for registering
> > +		 * new device and provide BCR/DCR/PID at the same time.  
> 
> Not sure this is needed if you don't use it directly as the core will
> anyway (in its current form) send the relevant CCC to read these
> registers.

We considered optimizing that in the past but that means making the DAA
and SETDASA registration different. I'm not sure it's worth it to be
honest, PID/DCR/BCR only happens when initializing devices and I
suspect the overhead of querying those DATA twice in case of DAA is
negligible anyway.