[KJ] register_chrdev could be replaced by cdev_init

[KJ] register_chrdev could be replaced by cdev_init

[trem]

Hi all

I've investigated about char device, and I discover that "register_chrdev"
is an old way to register char driver. The new way (good one ?) is 
"cdev_init".

"register_chrdev" is still used in 2.6.13-rc6:
 > find . -name "*.c" -exec grep -l register_chrdev {} \; | wc -l
 > 85

I propose to add this change ("register_chrdev" -> "cdev_init") on the
kerneljanitor TODO list.

regards,
trem



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Re: [KJ] register_chrdev could be replaced by cdev_init

[Tobias Klauser]

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On 2005-08-11 at 02:26:53 +0200, trem <trem@zarb.org> wrote:
> I've investigated about char device, and I discover that "register_chrdev"
> is an old way to register char driver. The new way (good one ?) is 
> "cdev_init".

The LDD3 book [1] also provides some valuable information about this issue
in chapter 3, p. 55-57

In case this is added to KJ TODO, a pointer to [2] (the PDF of the third
chapterof LDD3) might be useful.

Cheers, Tobias

[1] http://lwn.net/Kernel/LDD3
[2] http://lwn.net/images/pdf/LDD3/ch03.pdf

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