Re: [PATCH] create /sys/.../power when CONFIG_PM is set

From: Alan Stern
Date: Wed Nov 07 2007 - 11:45:26 EST


On Wed, 7 Nov 2007, Daniel Drake wrote:

> The CONFIG_SUSPEND changes in 2.6.23 caused a regression under certain
> configuration conditions (SUSPEND=n, USB_AUTOSUSPEND=y) where all USB device
> attributes in sysfs (idVendor, idProduct, ...) silently disappeared, causing
> udev breakage and more.
>
> The cause of this is that the /sys/.../power subdirectory is now only created
> when CONFIG_PM_SLEEP is set, however, it should be created whenever CONFIG_PM
> is set to handle the above situation. The following patch fixes the
> regression.
>
> Signed-off-by: Daniel Drake <dsd@xxxxxxxxxx>

I haven't tried applying this, but it looks okay to me. There may be
some conflict with other changes already merged in the PM core.

Alan Stern

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