Re: question about misc char devices, and relationship with udev

 also, the ELDD book claims that misc_register() calls the kernel routine class_device_create().  i'm looking at the entire kernel implementation for misc drivers in drivers/char/misc.c, and what i see is a call to device_create() instead.  i suspect i should start following the flow of control here, but i'm still curious as to how that /dev file came into existence without any obvious help from udev.

In linux 2.6.20,kernel still use class_device_create(). After linux 2.6.22(maybe,I can't remember),kernel use device_create() instead of class_device_create().