On Monday, July 11 at 10:16 (+0000), Alan Mackenzie said:
> 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".
>
USB_SUSPEND
bool "USB runtime power management (autosuspend) and wakeup"
depends on USB && PM_RUNTIME
If you say Y here, you can use driver calls or the sysfs
"power/control" file to enable or disable autosuspend for
individual USB peripherals (see
Documentation/usb/power-management.txt for more details).
