Re: [PATCH 70/78] USB: add picdem device to ldu sb

On Tue, Jul 17, 2007 at 10:02:26AM -0700, Joey Goncalves wrote:
>  Hi:
> 
>  I was not aware of the libusb support for the PicDem board. ( not for lack 
>  of googling let me tell you )
>  that's when I started to look at was involved in writing a kernel driver to 
>  talk to the unit. After
>  a little digging I discovered ldusb and it's relative ease of handling the 
>  PicDem board.
> 
>  From my perspective it is nice to know the board is handled in the kernel 
>  and supported up stream.
>  As other IDs are created they could possibly be added to ldusb and would 
>  work out of the box.
> 
>  We did have to write a seperate application to actually do anything with the 
>  PicDem, but it became
>  as simple as opening/reading/writing to a serial port which is what I 
>  expected.
> 
>  I would prefer to keep the PicDem defined in the kernel. It makes it so much 
>  easier for a new user to
>  just plug in the board and see it being detected. I don't know what other 
>  pros and cons there
>  may be for a more advanced user with libusb vs ldusb as I have not worked 
>  with either very deeply.
> 
>  If someone wants to use the libusb instead of the kernel driver could they 
>  not just rmmod ldusb at that time
>  and load libusb instead??

No, you can just run your libusb program, which can unbind the ldusb
driver from the device at run-time, so it's even easier :)

thanks,

greg k-h

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