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Re: [PATCH 00/03][RFC] Reusable UIO Platform Driver

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From: Magnus Damm <magnus.damm@...>
To: Uwe Kleine-König <Uwe.Kleine-Koenig@...>
Cc: Paul Mundt <lethal@...>, Hans J. Koch <hjk@...>, <linux-kernel@...>, <gregkh@...>, <linux-sh@...>, Katsuya MATSUBARA <matsu@...>
Subject: Re: [PATCH 00/03][RFC] Reusable UIO Platform Driver
Date: Wednesday, May 21, 2008 - 4:22 am

On Wed, May 21, 2008 at 5:05 PM, Uwe Kleine-K=F6nig
<Uwe.Kleine-Koenig@digi.com> wrote:

[Added Matsubara-san as CC]

Sure, here is a little test program. Have a look at "uio_mem". The
"address" member contains the physical address that can be used for
bus mastering DMA. Compare that to "iomem" which is the pointer to the
virtual memory area in user space.

Hope this helps!

/ magnus
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Messages in current thread:
[PATCH 00/03][RFC] Reusable UIO Platform Driver, Magnus Damm, (Tue May 20, 6:51 am)
Re: [PATCH 00/03][RFC] Reusable UIO Platform Driver, Hans J. Koch, (Tue May 20, 5:07 pm)
Re: [PATCH 00/03][RFC] Reusable UIO Platform Driver, Magnus Damm, (Tue May 20, 11:31 pm)
Re: [PATCH 00/03][RFC] Reusable UIO Platform Driver, Uwe , (Wed May 21, 2:49 am)
Re: [PATCH 00/03][RFC] Reusable UIO Platform Driver, Magnus Damm, (Wed May 21, 4:09 am)
Re: [PATCH 00/03][RFC] Reusable UIO Platform Driver, Uwe , (Wed May 21, 5:25 am)
Re: [PATCH 00/03][RFC] Reusable UIO Platform Driver, Magnus Damm, (Wed May 21, 6:50 am)
Re: [PATCH 00/03][RFC] Reusable UIO Platform Driver, Uwe , (Wed May 21, 7:04 am)
Re: [PATCH 00/03][RFC] Reusable UIO Platform Driver, Magnus Damm, (Wed May 21, 7:56 am)
Re: [PATCH 00/03][RFC] Reusable UIO Platform Driver, Uwe , (Wed May 21, 8:09 am)
Re: [PATCH 00/03][RFC] Reusable UIO Platform Driver, Paul Mundt, (Wed May 21, 3:49 am)
Re: [PATCH 00/03][RFC] Reusable UIO Platform Driver, Uwe , (Wed May 21, 4:05 am)
Re: [PATCH 00/03][RFC] Reusable UIO Platform Driver, Magnus Damm, (Wed May 21, 4:22 am)
Re: [PATCH 00/03][RFC] Reusable UIO Platform Driver, Uwe , (Wed May 21, 4:50 am)
[PATCH 03/03] sh: Export sh7343/sh7722/sh7723 VPU/VEU blocks, Magnus Damm, (Tue May 20, 6:51 am)
[PATCH 02/03] uio: Add uio_platform driver, Magnus Damm, (Tue May 20, 6:51 am)
[PATCH 01/03] uio: Add enable_irq() callback, Magnus Damm, (Tue May 20, 6:51 am)
Re: [PATCH 01/03] uio: Add enable_irq() callback, Magnus Damm, (Wed May 21, 7:58 am)
Re: [PATCH 01/03] uio: Add enable_irq() callback, Hans J. Koch, (Thu May 22, 4:18 pm)
Re: [PATCH 01/03] uio: Add enable_irq() callback, Magnus Damm, (Thu May 22, 9:24 pm)
Re: [PATCH 01/03] uio: Add enable_irq() callback, Hans J. Koch, (Fri May 23, 4:43 am)