linux-kernel - Re: [PATCH 1/4] mfd: ab8500: add devicetree support for fuelgauge

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Message-ID: <CAB4BAkuPE6eSr2+LWTaV9trOnFk-_yt-+x8f6zpum=Ws1UvmmA@mail.gmail.com>
Date:	Sat, 27 Oct 2012 21:30:44 +0530
From:	Rajanikanth HV <rajanikanth.hv@...aro.org>
To:	Francesco Lavra <francescolavra.fl@...il.com>
Cc:	"Rajanikanth H.V" <rajanikanth.hv@...ricsson.com>,
	linaro-dev@...ts.linaro.org, linus.walleij@...ricsson.com,
	arnd@...db.de, patches@...aro.org, linux-kernel@...r.kernel.org,
	anton.vorontsov@...aro.org, STEricsson_nomadik_linux@...t.st.com,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/4] mfd: ab8500: add devicetree support for fuelgauge

On 27 October 2012 20:37, Francesco Lavra <francescolavra.fl@...il.com> wrote:
> On 10/25/2012 08:30 AM, Rajanikanth H.V wrote:
>> From: "Rajanikanth H.V" <rajanikanth.hv@...ricsson.com>
>> +     bat_tech = of_get_property(np_bat_supply,
>> +                     "stericsson,battery-type", NULL);
>> +     if (!bat_tech)
>> +             dev_warn(dev, "missing property battery-name/type\n");
>> +
>> +     if (strncmp(bat_tech, "LION", 4) == 0) {
>
> What if bat_tech is NULL?
It will be UNKNOWN
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