From: Alexis Berlemont <berlemont.hauw@domain.hid>
To: Daniele Nicolodi <daniele@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-core] Analogy a4l_ioctl_bufinfo() bug?
Date: Fri, 19 Mar 2010 01:08:52 +0100 [thread overview]
Message-ID: <4BA2C094.6060109@domain.hid> (raw)
In-Reply-To: <4BA0E8D9.4060901@domain.hid>
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,
>
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> Xenomai-core mailing list
> Xenomai-core@domain.hid
> https://mail.gna.org/listinfo/xenomai-core
Alexis.
prev parent reply other threads:[~2010-03-19 0:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-11 16:26 [Xenomai-core] Analogy a4l_ioctl_bufinfo() bug? Daniele Nicolodi
2010-03-17 14:36 ` Daniele Nicolodi
2010-03-19 0:08 ` Alexis Berlemont [this message]
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