Re: MAX_USBFS_BUFFER_SIZE

From: Greg KH
Date: Wed Mar 01 2006 - 16:29:51 EST


On Wed, Mar 01, 2006 at 09:16:25PM +0100, Ren?? Rebe wrote:
> Hi,
>
> I wonder if:
>
> drivers/usb/core/devio.c:86
> #define MAX_USBFS_BUFFER_SIZE 16384
>
> is some random, or outdated limit or if there really is some code path that could
> not handle bigger URBs.
>
> For performance reasons I would like to use bigger packages for an image
> aquisition device.

Why not just send down 2 urbs with that size then, that would keep the
pipe quite full.

thanks,

greg k-h
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