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Date:   Thu, 21 May 2020 11:42:47 +0200
From:   Greg Kroah-Hartman <>
To:     Saravana Kannan <>
Cc:     "Rafael J. Wysocki" <>,, John Stultz <>,
Subject: Re: [PATCH v2 0/4] driver core: Add device link related sysfs files

On Tue, May 19, 2020 at 08:48:20PM -0700, Saravana Kannan wrote:
> With fw_devlink and with sync_state() callback features, there's a lot
> of device/device link related information that's not available in sysfs.
> Exposing these details to user space can be very useful in understanding
> suspend/resume issues, runtime pm issues, probing issues, figuring out
> the modules that'd be needed for first stage init, etc. In fact, an
> earlier verion of this series was very helpful in debugging and
> validating the recent memory leak fix[1].
> This series combines combines a bunch of patches I've sent before.
> I'm aware that I haven't added documentation for patch 1/2. I'm waiting
> on review to make sure the file location, name and values don't change
> before I add the documentation.

You mean patch 2/4, right?

> This series is based on driver-core-next and [1] cherry-picked on top of
> it.

I've taken patch 1 now, as it was easy to review :)

I'll wait for the next series with the documentation update before going


greg k-h

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