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Date:   Tue, 8 Jan 2019 21:09:38 +0100
From:   Wolfram Sang <wsa@the-dreams.de>
To:     Wolfram Sang <wsa+renesas@sang-engineering.com>
Cc:     linux-i2c@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
        Hans de Goede <hdegoede@redhat.com>,
        linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        bcm-kernel-feedback-list@broadcom.com,
        linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org
Subject: Re: [PATCH 00/10] i2c: move handling of suspended adapters to the
 core
Message-ID: <20190108200937.bratvsbz4grk6m4e@ninjato>
References: <20181219164827.20985-1-wsa+renesas@sang-engineering.com>
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On Wed, Dec 19, 2018 at 05:48:16PM +0100, Wolfram Sang wrote:
> Finally, here is the implementation Hans and I agreed on. Plus, all poten=
tial
> users I could spot already converted. Renesas R-Car driver was added on t=
op.
> This series was tested on a Renesas Lager board (R-Car H2). I had to hack=
 some
> error cases into the code to verify the workings. Thanks for all the test=
s so
> far. Of course, more testing never hurts ;)
>=20
> Please comment, review, test... a branch can be found here:
>=20
> git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git renesas/i2c/c=
ore-pm-helpers
>=20
> Thanks,
>=20
>    Wolfram
>=20
> Changes since RFC:
>=20
> * don't use bitfields anymore but an unsigned long flags variable which i=
s only
>   meant for flags to be changed when the adapter lock is held
>=20
> * split the genereic accessor into _mark_suspended() and _mark_resumed()
>=20
> * added kerneldoc and noted that using these helpers is optional
>=20
> * documented -ESHUTDOWN as the error code when trying to transfer using an
>   already suspended adapter
>=20
> * added acks from last series. Changes were minor enough to keep them. Pl=
ease let
>   me know if you disagree.
>=20
>=20
> Wolfram Sang (10):
>   i2c: add suspended flag and accessors for i2c adapters
>   i2c: reject new transfers when adapters are suspended
>   i2c: synquacer: remove unused is_suspended flag
>   i2c: brcmstb: use core helper to mark adapter suspended
>   i2c: zx2967: use core helper to mark adapter suspended
>   i2c: sprd: don't use pdev as variable name for struct device *
>   i2c: sprd: use core helper to mark adapter suspended
>   i2c: exynos5: use core helper to mark adapter suspended
>   i2c: s3c2410: use core helper to mark adapter suspended
>   i2c: rcar: add suspend/resume support

After a long road, I applied this series now to for-next. I only
squashed patches 1+2 to have the functionality in one place. And fixed a
typo in patch 1. Thanks to the testers and reviewers, and especially
Hans, for the input and discussions.

This will now get a full test cycle in -next. Let's see what happens...

And let's move on to how to add 'very late transfers without irqs' on
top of this series.

Happy hacking,

   Wolfram


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