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Date: Thu, 1 May 2008 02:00:55 -0700
From: Arjan van de Ven <arjan@infradead.org>
To: Michael Buesch <mb@bu3sch.de>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>,
       John Linville <linville@tuxdriver.com>,
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       bcm43xx-dev@lists.berlios.de, linux-wireless@vger.kernel.org,
       "linux-kernel" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 0/3] Add API for weak DMA masks
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On Thu, 1 May 2008 16:38:15 +0200
Michael Buesch <mb@bu3sch.de> wrote:

> This patchset adds API and one user for a "weak" dma_set_mask().
> Weak means that it will fallback to smaller masks in case the
> DMA subsystem rejects a big mask.
> Currently such rejection may happen if the driver requests a 64bit
> mask on a VIA machine, for example. dma_set_mask_weak() will fallback
> to 32bit, in that case, and tell the caller about it by modifying the
> passed mask.

can we just make the existing API do this instead?