lkml.org 
[lkml]   [2018]   [Jul]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCHv3 3/4] drivers/base: clean up the usage of devices_kset_move_last()
Date
On Tuesday, July 3, 2018 8:50:41 AM CEST Pingfan Liu wrote:
> Clean up the referring to the code in commit 52cdbdd49853 ("driver core:
> correct device's shutdown order"). So later we can revert it safely.
>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> Cc: Grygorii Strashko <grygorii.strashko@ti.com>
> Cc: Christoph Hellwig <hch@infradead.org>
> Cc: Bjorn Helgaas <helgaas@kernel.org>
> Cc: Dave Young <dyoung@redhat.com>
> Cc: linux-pci@vger.kernel.org
> Cc: linuxppc-dev@lists.ozlabs.org
> Signed-off-by: Pingfan Liu <kernelfans@gmail.com>
> ---
> drivers/base/core.c | 7 -------
> 1 file changed, 7 deletions(-)
>
> diff --git a/drivers/base/core.c b/drivers/base/core.c
> index 684b994..db3deb8 100644
> --- a/drivers/base/core.c
> +++ b/drivers/base/core.c
> @@ -127,13 +127,6 @@ static int device_reorder_to_tail(struct device *dev, void *not_used)
> {
> struct device_link *link;
>
> - /*
> - * Devices that have not been registered yet will be put to the ends
> - * of the lists during the registration, so skip them here.
> - */
> - if (device_is_registered(dev))
> - devices_kset_move_last(dev);
> -
> if (device_pm_initialized(dev))
> device_pm_move_last(dev);

You can't do this.

If you do it, that will break power management in some situations.

Thanks,
Rafael

\
 
 \ /
  Last update: 2018-07-03 16:28    [W:0.233 / U:4.364 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site