Messages in this thread | | | Date | Thu, 06 Aug 2009 01:30:30 +0900 | From | Tejun Heo <> | Subject | Re: [PATCH 1/2] chrdev: implement __[un]register_chrdev() |
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Greg KH wrote: > On Wed, Aug 05, 2009 at 03:35:42PM +0900, Tejun Heo wrote: >> [un]register_chrdev() assume minor range 0-255. This patch adds __ >> prefixed versions which take @minorbase and @count explicitly. > > What's the difference between this and the existing > register_chrdev_region() function? Why doesn't that work for you? > > What am I missing here?
The function names in char_dev.c are quite confusing. register_chrdev_region() only registers chrdev region. register_chrdev() registers chrdev region and creates a cdev for the region. :-)
-- tejun
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