On 10/10/06, Jinesh K J <jineshkj.newsletters@xxxxxxxxx> wrote:
On 10/10/06, Greg KH <greg@xxxxxxxxx> wrote: > On Tue, Oct 10, 2006 at 12:07:49PM +0530, Jinesh K J wrote: > > Hi friends, > > > > I was just wondering why do we need a /dev directory for device files. > > Why can't those entries be handled by sysfs and kobjects? > > You can not ignore POSIX, sorry. I never knew (or realised) that device files are a part of POSIX. In fact I've never gone through the POSIX standard. > > > Also, the concepts of major and minor numbers - don't anyone think > > that they should not be a concern for a device driver programmer at > > all. I think they are outdated or unnecessary. > > They aren't a concern anymore. Why do you think they are? int register_chrdev_region(dev_t from, unsigned count, const char *name) I really don't want to see a 'dev_t' up there (though I know that it can be ignored). Those numbers should be dealt within the kernel. Why would anyone wanna set those numbers manually?
you mean to say when creating a new device in /dev from user land?
> > thanks, > > greg k-h > -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
-- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
