On Thu, Mar 29, 2007 at 10:50:34PM +0530, Rajat Jain wrote:
> Hi,
> 
> I was wondering that while using dynamic device numner allocation, can
> we ever have a scenario like following (using alloc_chrdev_region):
> 
> 1) Char Driver A is hooked on Major num X, minor numbers 0-10
> 2) Char Driver B is hooked on (same) Major num X, minor numbers 11-20
> 
> If yes, how will the userland get to know about the dynamically
> allocated range (needed to create device nodes), since /proc/devices
> only shows major numbers?

Through the exporting of this information in sysfs by using the
device_create() call that you are required to do in order to have your
device show up properly there :)

thanks,

greg k-h
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