Re: [PATCH] gianfar: ethernet vanishes after restoring from hibernation

[David Miller <davem@davemloft.net>]

From: Paul Gortmaker <paul.gortmaker@windriver.com>
Date: Fri,  9 Nov 2012 09:43:51 -0500

> From: Wang Dongsheng <dongsheng.wang@freescale.com>
> 
> If a gianfar ethernet device is down prior to hibernating a
> system, it will no longer be present upon system restore.
> 
> For example:
> 
> 	~# ifconfig eth0 down
> 	~# echo disk > /sys/power/state
> 
> 	  <trigger a restore from hibernation>
> 
> 	~# ifconfig eth0 up
> 	SIOCSIFFLAGS: No such device
> 
> This happens because the restore function bails out early upon
> finding devices that were not up at hibernation.  In doing so,
> it never gets to the netif_device_attach call at the end of
> the restore function.  Adding the netif_device_attach as done
> here also makes the gfar_restore code consistent with what is
> done in the gfar_resume code.
> 
> Cc: Claudiu Manoil <claudiu.manoil@freescale.com>
> Signed-off-by: Wang Dongsheng <dongsheng.wang@freescale.com>
> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

Applied, thanks.