linux-kernel - RE: [char-misc-next 2/3] mei: adding sysfs fw

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Message-ID: <5B8DA87D05A7694D9FA63FD143655C1B1AE77A4E@HASMSX106.ger.corp.intel.com>
Date:	Mon, 29 Jul 2013 22:27:06 +0000
From:	"Winkler, Tomas" <tomas.winkler@...el.com>
To:	Greg KH <gregkh@...uxfoundation.org>
CC:	"arnd@...db.de" <arnd@...db.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Ovsyanikov, Natalia" <natalia.ovsyanikov@...el.com>
Subject: RE: [char-misc-next 2/3] mei: adding sysfs fw_status attribute


> 
> > > >
> > > >
> > > > > >
> > > > > > Just to make sure, is this what you're suggesting ?
> > > > > >
> > > > > > device->groups = mei_attr_groups
> > > > > > mei_misc_device.parent = device; ret =
> > > > > > misc_register(&mei_misc_device);
> > > > >
> > > > > Yes, that should work.  If not, please let me know, the code
> > > > > underwent some changes in 3.11-rc2.
> > > >
> > > > I don' t see the file being created.
> > > > Not sure if the  misc_register setup the parent sysfs as well.
> > >
> > > Oops, wait, the parent is already registered, that's not going to
> > > work, you want to create the files for the device itself that you
> > > are creating, so set the -
> > > >groups field for that device.
> > >
> > > sorry about that.
> >
> > So is this okay to go as  is?
> 
> What is "this"?

The intentions was to create the sysfs  on a  parent pci device, and  these are already created .
The only reason I wanted do it here as this is true for any parent pci device we support currently that registers with mei.

Either this code ode is still confusing because  I'm  doing something wrong here or  your mind
Is set on fixing this particular user space race issue.

Thanks
Tomas

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