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From: Clemens Ladisch <clemens@ladisch.de>
To: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Cc: "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>
Subject: Re: [RFC] dice: simplifying address registration
Date: Sat, 25 Apr 2015 10:49:56 +0200	[thread overview]
Message-ID: <553B5534.1060005@ladisch.de> (raw)
In-Reply-To: <553A3FC5.60809@sakamocchi.jp>

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

  reply	other threads:[~2015-04-25  8:50 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-24 13:06 [RFC] dice: simplifying address registration Takashi Sakamoto
2015-04-25  8:49 ` Clemens Ladisch [this message]
2015-04-25 12:25   ` Takashi Sakamoto

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