RE: [PATCH 1/3] driver: core: add uid gid to class devnode

[Namjae Jeon <namjae.jeon@samsung.com>]

> On Fri, Jun 05, 2015 at 07:10:21PM +0900, Namjae Jeon wrote:
> > Add support for setting uid gid to devtmpfs device nodes.
> > In this manner, drivers can specify desired uid gid in their
> > class->devnode method.
> >
> > This is extension of existing method of setting uid gid by drivers
> > using device_type->devnode method:
> > 3c2670e6515cf584810f417db9b00992c8b2d75a
> > "driver core: add uid and gid to devtmpfs"
> >
> > Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
> > Signed-off-by: Vivek Trivedi <t.vivek@samsung.com>
> 
> You add new parameters to these functions, yet never use them.  Sorry, I
> need an actual user before I can accept api changes like this.
> 
> Same for the other 2 patches in this series, I can't accept api changes
> without a real user of them, otherwise I'll just have to rip them out
> again to simplify the code.
Hi Greg,

In closed embedded systems like Tizen or Android, It is needed to set
uid/gid and xattr without shell script and daemon like udevd.
This api change can make it easier to set these parameters 

Thanks.
> 
> sorry,
> 
> greg k-h