From mboxrd@z Thu Jan  1 00:00:00 1970
From: Clemens Ladisch <clemens@ladisch.de>
Subject: Re: [RFC] dice: simplifying address registration
Date: Sat, 25 Apr 2015 10:49:56 +0200
Message-ID: <553B5534.1060005@ladisch.de>
References: <553A3FC5.60809@sakamocchi.jp>
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To: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Cc: "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>
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Takashi Sakamoto wrote:
> Currently Dice driver keeps address ranges for each unit instance. But
> there's a way to reuse the same address range.

This requires an additional check for the packet's source node, which is
essentially a duplicate of the core's address lookup code.

> I think this idea can simplify driver probe processing

Yes, but that code is just moved to the module load processing.

> and save resources of host controller.

When using multiple DICE devices, this saves four bytes of FireWire
address space per card, out of the total address space of 2^48 bytes.
Or what other resources do you mean?


Regards,
Clemens