Hi, Alan.

On Mon, Jul 11, 2011 at 12:33:46PM +0200, Alan McKinnon wrote:
> On Monday 11 July 2011 10:16:33 Alan Mackenzie did opine thusly:
> > Hi, Gentoo.

> > Just done an "emerge -puND world".  One of the packages updated was
> > sys-fs/udisks-1.0.3-r1.  Its warning message was:

> >     CONFIG_USB_SUSPEND:         is not set when it should be.
> >       * Please check to make sure these options are set correctly.
> >       * Failure to do so may cause unexpected problems.

> > CONFIG_USB_SUSPEND is surely a kernel config thing.  I can't find it
> > in my kernel config file.  However, in "make menuconfig" I do a
> > search for "USB_SUSPEND", It says:

> >    Location:
> >   │     -> Device Drivers
> >   │       -> USB support (USB_SUPPORT [=y])
> >   │         -> Support for Host-side USB (USB [=y])

> > I can't find anything at that location which looks like
> > "USB_SUSPEND".

> > Would somebody please help me to resolve my confusion.  Thanks in
> > advance.

> Symbol: USB_SUSPEND [=y]                                                      
>                                                                               
>                                                                         
> │   
>   │ Type  : boolean                                                           
>                                                                               
>                                                                             
> │   
>   │ Prompt: USB runtime power management (autosuspend) and wakeup             
>                                                                               
>                                                                             
> │   
>   │   Defined at drivers/usb/core/Kconfig:93                                  
>                                                                               
>                                                                             
> │   
>   │   Depends on: USB_SUPPORT [=y] && USB [=m] && PM_RUNTIME [=y]             
>                                                                               
>                                                                             

That's the bit I hadn't understood.  Next time I will.

> │   
>   │   Location:                                                               
>                                                                               
>                                                                             
> │   
>   │     -> Device Drivers                                                     
>                                                                               
>                                                                             
> │   
>   │       -> USB support (USB_SUPPORT [=y])                                   
>                                                                               
>                                                                             
> │   
>   │         -> Support for Host-side USB (USB [=m])                           
>                                                                               
>                                                                             
> │   
>   │ 


> It needs PM_RUNTIME, found at 

> -> Power management and ACPI options

Thanks, I've now got a newly compiled kernel.

> -- 
> alan dot mckinnon at gmail dot com

-- 
Alan Mackenzie (Nuremberg, Germany).

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