Re: [PATCH 32/36] driver core: Introduce device_move(): move a device to a new parent.

On Sun, Dec 03, 2006 at 05:26:03PM +0100, Marcel Holtmann wrote:
> Hi Greg,
> 
> > Provide a function device_move() to move a device to a new parent device. Add
> > auxilliary functions kobject_move() and sysfs_move_dir().
> > kobject_move() generates a new uevent of type KOBJ_MOVE, containing the
> > previous path (DEVPATH_OLD) in addition to the usual values. For this, a new
> > interface kobject_uevent_env() is created that allows to add further
> > environmental data to the uevent at the kobject layer.
> 
> has this one been tested? I don't get it working. I always get an EINVAL
> when trying to move the TTY device of a Bluetooth RFCOMM link around.

I relied on Cornelia to test this.  I think some s390 patches depend on
this change, right?

> And shouldn't device_move(dev, NULL) re-attach it to the virtual device
> tree instead of failing?

Yes, that would be good to have.

thanks,

greg k-h
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• Follow-Ups:
  • Re: [PATCH 32/36] driver core: Introduce device_move(): move a device to a new parent.
    • From: Marcel Holtmann <[email protected]>

• References:
  • [PATCH 24/36] Driver core: convert sound core to use struct device
    • From: Greg KH <[email protected]>
  • [PATCH 25/36] Driver core: add dev_archdata to struct device
    • From: Greg KH <[email protected]>
  • [PATCH 26/36] ACPI: Change ACPI to use dev_archdata instead of firmware_data
    • From: Greg KH <[email protected]>
  • [PATCH 27/36] Driver core: Call platform_notify_remove later
    • From: Greg KH <[email protected]>
  • [PATCH 28/36] cpu topology: consider sysfs_create_group return value
    • From: Greg KH <[email protected]>
  • [PATCH 29/36] sysfs: sysfs_write_file() writes zero terminated data
    • From: Greg KH <[email protected]>
  • [PATCH 30/36] driver core: Introduce device_find_child().
    • From: Greg KH <[email protected]>
  • [PATCH 31/36] Driver core: make drivers/base/core.c:setup_parent() static
    • From: Greg KH <[email protected]>
  • [PATCH 32/36] driver core: Introduce device_move(): move a device to a new parent.
    • From: Greg KH <[email protected]>
  • Re: [PATCH 32/36] driver core: Introduce device_move(): move a device to a new parent.
    • From: Marcel Holtmann <[email protected]>

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