From: j d <my_techinfo_c@yahoo.com>
To: linux-hotplug@vger.kernel.org
Subject: Re: Its not sane!!
Date: Fri, 23 Jul 2004 08:43:09 +0000 [thread overview]
Message-ID: <20040723084309.97754.qmail@web52202.mail.yahoo.com> (raw)
In-Reply-To: <20040722054548.36513.qmail@web52210.mail.yahoo.com>
--- Greg KH <greg@kroah.com> wrote:
> On Wed, Jul 21, 2004 at 10:45:48PM -0700, j d wrote:
> > Dear Bertrik,
> >
> > It not a sane driver, its something
> new
> > one what we are going to write.
>
Dear Greg, Thanks for your reply, Am glad to see your
mail in my box.
> Why do you need to write a kernel driver for a USB
> scanner? It can all
> be done in userspace using libusb/usbfs.
>
I have gone through libusb, but i didn't find
isochronous transfer handling in libusb, because my
device supports isochronous transfer mode. So i
decided to write a kernel driver. Could you please
suggest me, how can it will be implemented in
userspace.
> Anyway, to answer your question, see my papers on
> how the hotplug
> subsystem works. Also note that in 2.6, any new
> device that is created
> causes a hotplug event to happen. So an event will
> happen when your
> device is plugged in. And then another one happens
> when you create a
> struct class device.
I compiled 2.6.3 on Redhat9.0. But hotplug didn't
detect my device.
What could be the changes in my driver for udev
instead of devfs on 2.6
>
> There is lots of example code in the kernel that
> shows how this all
> works :)
>
> Good luck,
>
> greg k-h
>
Good day and Thank you,
Regards,
JD
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prev parent reply other threads:[~2004-07-23 8:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-22 5:45 Its not sane!! j d
2004-07-22 20:01 ` Greg KH
2004-07-23 8:43 ` j d [this message]
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