From mboxrd@z Thu Jan  1 00:00:00 1970
Sender: Alexis Berlemont <alexis.berlemont@domain.hid>
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Date: Fri, 19 Mar 2010 01:08:52 +0100
From: Alexis Berlemont <berlemont.hauw@domain.hid>
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Subject: Re: [Xenomai-core] Analogy a4l_ioctl_bufinfo() bug?
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To: Daniele Nicolodi <daniele@domain.hid>
Cc: xenomai@xenomai.org

Daniele Nicolodi wrote:
> Daniele Nicolodi wrote:
>> Hello. As reported in the xenomai-help mailing list I'm investigating
>> why a4l_mmap() is not supported for the ni pcimio driver. Hacking on the
>> driver I discovered that, apparently, the only problem in supporting
>> mmap of the device buffer is in the a4l_ioctl_bufinfo() function.
> 
> The atached patch solves the problem. My solution is to avoid to mess
> with the subdevice buffer if a transmission is not occouring. This makes
> ni pcimio driver work as expected. The second patch enables mmapping for
> the ni pcimio driver.
Merged. Thank you.
> 
> Cheers,
> 
> 
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Alexis.