[PATCH] some sysfs patches for 2.6.0 [0/4]

[PATCH] some sysfs patches for 2.6.0 [0/4]

[Greg KH]

Here are 4 sysfs related patches for 2.6.0.  They do the following:

  - fix an oops in sysfs when a kobject has been unregistered before
    it's child has.  An example of this is the oops that happens in
    2.6.0 whenever a usb-serial device is removed that has a port open
    by a user (almost all Pilot devices do this by virtue of the
    protocol...)


  - add sysfs support to the following char drivers:
  	- mem devices (/dev/null and friends)
	- misc devices (/dev/psaux and other odd devices)
	- vc devices

Please apply these to 2.6.0 or your -mm tree depending on how
comfortable you are with them.

thanks,

greg k-h
	


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[PATCH] some sysfs patches for 2.6.0 [0/4]

[Greg KH]

Here are 4 sysfs related patches for 2.6.0.  They do the following:

  - fix an oops in sysfs when a kobject has been unregistered before
    it's child has.  An example of this is the oops that happens in
    2.6.0 whenever a usb-serial device is removed that has a port open
    by a user (almost all Pilot devices do this by virtue of the
    protocol...)


  - add sysfs support to the following char drivers:
  	- mem devices (/dev/null and friends)
	- misc devices (/dev/psaux and other odd devices)
	- vc devices

Please apply these to 2.6.0 or your -mm tree depending on how
comfortable you are with them.

thanks,

greg k-h
	

Re: [PATCH] some sysfs patches for 2.6.0 [0/4]

[Andreas Jellinghaus]

On Tue, 23 Dec 2003 00:42:03 +0000, Greg KH wrote:

> Here are 4 sysfs related patches for 2.6.0. 

Thanks, thoses added many missing devices.

Are there usable patches to add these? url?
 - floppy devices (propably not necessary)
 - alsa sound devices (snd/ and sound/ (oss emulation))
 - input devices
 - printer devices

For my machine I compared udev and devfs and those are
the only devices not present in sysfs. I searched linux-kernel
archives for patches to add those, but couldn't find anything.

Regards,Andreas

Re: [PATCH] some sysfs patches for 2.6.0 [0/4]

[Greg KH]

On Tue, Dec 23, 2003 at 12:07:43PM +0100, Andreas Jellinghaus wrote:
> On Tue, 23 Dec 2003 00:42:03 +0000, Greg KH wrote:
> 
> > Here are 4 sysfs related patches for 2.6.0. 
> 
> Thanks, thoses added many missing devices.
> 
> Are there usable patches to add these? url?
>  - floppy devices (propably not necessary)

Already in the main kernel, all block devices are supported.

>  - alsa sound devices (snd/ and sound/ (oss emulation))

Working on it right now.

>  - input devices

Hanna Linder has been working on this, but I think she's on vacation
right now.

>  - printer devices

USB printers are already supported :)

No, no parallel port support yet.  I thought Hanna had a patch
somewhere.  The "simple_class" patch I just posted should make it pretty
easy to add support for this if you want to try it.

thanks,

greg k-h