Re: [PATCH] pm: print the name of failed suspend function forplatform device

[Greg KH]

On Mon, Mar 18, 2013 at 01:58:23PM +0800, Li Fei wrote:
> 
> Print more info when platform device suspend function failed.
> Without this patch, we can not get the real platform device suspend
> API info.
> 
> Example without this patch:
> pm_op(): platform_pm_suspend+0x0/0x50 returns -11
> PM: Device power.0 failed to suspend: error -11
> 
> And with this patch:
> platform_pm_suspend(): power_suspend+0x0/0x30 returns -11
> pm_op(): platform_pm_suspend+0x0/0x80 returns -11
> PM: Device power.0 failed to suspend: error -11

How does that help someone out?  One extra line?  What is that going to
allow a user to now do?

greg k-h
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