Messages in this thread | | | Date | Wed, 23 May 2007 05:46:50 +0200 | From | "Kay Sievers" <> | Subject | Re: class_device_create() and the mode of the device file in /dev. |
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On 5/23/07, Y Khan <ykhanportland@yahoo.com> wrote: > I am porting a driver from 2.4 to 2.6. I have replaced > the call devfs_register() with class_create() and > class_device_create(). Now, udev is automatically > creating the device file in /dev.
Please use device_create(), class_device_* will go away in the future.
> The device file being created has a default mode of > 0600. Is it possible to override this default mode > from inside the kernel. I do not want to do anything > in the configuration file for udev. > > I could modify the attribute of the class and the > class device but I do not think that they will change > the default permissions for the /dev device file. > > devfs_register() used to take a mode argument.
No, the kernel is not involved in specifying /dev permissions. You have to add a udev rule to assign a mode that isn't the default.
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