linux-kernel - Re: [PATCH 5/6] regulator: anatop-regulator: make regulator-name using optionally

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Message-ID: <20170413073138.GB23163@b29396-OptiPlex-7040>
Date:   Thu, 13 Apr 2017 15:31:38 +0800
From:   Dong Aisheng <dongas86@...il.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     Dong Aisheng <aisheng.dong@....com>, linux-kernel@...r.kernel.org,
        shawnguo@...nel.org, linux-arm-kernel@...ts.infradead.org,
        kernel@...gutronix.de, lgirdwood@...il.com, yibin.gong@....com
Subject: Re: [PATCH 5/6] regulator: anatop-regulator: make regulator-name
 using optionally

On Tue, Apr 11, 2017 at 09:38:18PM +0100, Mark Brown wrote:
> On Wed, Apr 12, 2017 at 09:58:46AM +0800, Dong Aisheng wrote:
> > rdesc->name/regulator-name is optional according to standard regulator
> > binding doc. Use it conditionally to avoid a kernel NULL point crash.
> 
> It is optional in the standard binding because it is used to override
> the name statically provided in the driver for the device.  Since the
> anatop regulator is completely dynamic (there's no static list of
> regulators in the device) it's mandatory for anatop regulators - you
> should improve the error handling instead to detect a missing name.

Got it. Will change in v2.
Thanks for the suggestion.

Regards
Dong Aisheng