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From: "David S. Miller" <davem@redhat.com>
To: James Bottomley <James.Bottomley@steeleye.com>
Cc: akpm@osdl.org, torvalds@osdl.org, linux-scsi@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: PATCH] dma_get_required_mask()
Date: Mon, 28 Jun 2004 15:28:39 -0700	[thread overview]
Message-ID: <20040628152839.23178136.davem@redhat.com> (raw)
In-Reply-To: <1088457050.2004.40.camel@mulgrave>

On 28 Jun 2004 16:10:43 -0500
James Bottomley <James.Bottomley@steeleye.com> wrote:

> This patch implements dma_get_required_mask() which may be used by
> drivers to probe the optimal DMA descriptor type they should be
> implementing on the platform.

Maybe you should tweak the default implementation such that
something reasonable happens on 64-bit platforms that
define dma_addr_t as a 32-bit quantity. :-)

Of course, you've provided ARCH_HAS_DMA_GET_REQUIRED_MASK
in order to deal with these cases, so it's not mandatory.

  reply	other threads:[~2004-06-28 22:30 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-06-28 21:10 PATCH] dma_get_required_mask() James Bottomley
2004-06-28 22:28 ` David S. Miller [this message]
2004-06-28 22:40   ` James Bottomley
2004-06-28 22:39     ` David S. Miller

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