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To: Linux Bigot <linuxopinion@yahoo.com>
Cc: Kurt Ferreira <kferreir@esscom.com>, linux-kernel@vger.kernel.org
Subject: Re: how to get virtual address from dma address
In-Reply-To: <20011003214858.97073.qmail@web14807.mail.yahoo.com>
From: Jes Sorensen <jes@sunsite.dk>
Date: 05 Oct 2001 16:04:04 +0200
In-Reply-To: Linux Bigot's message of "Wed, 3 Oct 2001 14:48:58 -0700 (PDT)"
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>>>>> "Linux" == Linux Bigot <linuxopinion@yahoo.com> writes:

Linux> oops! I am sorry. I did not meant "pci_unmap_single"
Linux> pci_unmap_single.

Linux> I meant to get a routine which does exactly opposite of what
Linux> pci_map_single does, i.e., give me a virtual address for a dma
Linux> address.

Because it is cheaper for you to keep both addresses in the driver
than it is to implement a database to keep track of it for you.

Jes
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