Re: [PATCH] drivercore: Output common devicetree information inuevent

From: Greg Kroah-Hartman
Date: Wed Feb 01 2012 - 14:13:12 EST

On Wed, Feb 01, 2012 at 11:39:04AM -0700, Grant Likely wrote:
> When userspace needs to find a specific device, it currently isn't easy to
> resolve a /sys/devices/ path from a specific device tree node. Nor is it
> easy to obtain the compatible list for devices.
> This patch generalizes the code that inserts OF_* values into the uevent
> device attribute so that any device that is attached to an OF node will
> have that information exported to userspace. Without this patch only
> platform devices and some powerpc-specific busses have access to this
> data.
> The original function also creates a MODALIAS property for the compatible
> list, but that code has not been generalized into the common case because
> it has the potential to break module loading on a lot of bus types. Bus
> types are still responsible for their own MODALIAS properties.

So you are only adding new properties to be exported, not removing any
from any existing devices, right?

If so, I have no objection to this at all, if you want to take this
through your tree for 3.4, please feel free to add:

Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

Or I can take it through my driver-core tree, which ever is easiest for


greg k-h
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