linux-kernel - Re: [PATCH v2 1/3] drivers: power: twl4030_charger: fix link problems when building as module

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Date:	Thu, 24 Sep 2015 21:09:15 +0200
From:	Belisko Marek <marek.belisko@...il.com>
To:	Sebastian Reichel <sre@...nel.org>
Cc:	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	David Woodhouse <dwmw2@...radead.org>,
	Linux PM mailing list <linux-pm@...r.kernel.org>,
	"Dr. H. Nikolaus Schaller" <hns@...delico.com>,
	LKML <linux-kernel@...r.kernel.org>, Neil Brown <neilb@...e.de>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 1/3] drivers: power: twl4030_charger: fix link problems
 when building as module

Hi Sebastian,

On Tue, Sep 22, 2015 at 11:29 PM, Sebastian Reichel <sre@...nel.org> wrote:
> Hi Marek,
>
> On Tue, Sep 22, 2015 at 10:19:29PM +0200, Marek Belisko wrote:
>> If either twl4030_charger or twl4030_madc is configured as MODULE,
>> we get build (link) errors.
>>
>> To solve, the direct call of twl4030_get_madc_conversion() is replaced
>> by a call to iio_read_channel_processed().
>>
>> Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>
>> Signed-off-by: Marek Belisko <marek@...delico.com>
>> ---
>> changes from V1: added missing iio_channel_release + document and add new DT bindings
>
> That was fast :) Patchset looks fine to me except for one last
> thing: Let's make the iio-channel optional, so that old DT blobs
> are still supported. Also the IS_REACHABLE(CONFIG_TWL4030_MADC)
> check can be removed, it should no longer be needed with
> iio_read_channel_processed().
OK I updated driver code to pass when 'vac' property isn't found in
DT. Should I mark it also
in DT bindings or keep it as it was in v2? Thanks.
>
> -- Sebastian

BR,

marek


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