Re: [PATCH] thermal: imx: add NVMEM dependency

From	Arnd Bergmann <arnd@arndb.de>
Newsgroups	linux.kernel
Subject	Re: [PATCH] thermal: imx: add NVMEM dependency
Date	2017-09-19 14:30 +0200
Message-ID	<urpP3-5pF-1@gated-at.bofh.it> (permalink)
References	<urb9o-2X2-13@gated-at.bofh.it> <urpP3-5pF-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Tue, Sep 19, 2017 at 12:53 PM, Leonard Crestez
<leonard.crestez@nxp.com> wrote:
> On Mon, 2017-09-18 at 22:48 +0200, Arnd Bergmann wrote:
>> diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
>> index 07002df4f83a..cb14f1ec5953 100644
>> --- a/drivers/thermal/Kconfig
>> +++ b/drivers/thermal/Kconfig
>> @@ -206,6 +206,7 @@ config HISI_THERMAL
>>  config IMX_THERMAL
>>       tristate "Temperature sensor driver for Freescale i.MX SoCs"
>>       depends on (ARCH_MXC && CPU_THERMAL) || COMPILE_TEST
>> +     depends on NVMEM || !NVMEM
>
> The || !NVMEM part is so that it also works when NVMEM=n, right?

Correct, this is a very strange Kconfig expression when you see it the
first time, but we do the same thing in a lot of places that can either
use another subsystem when it is enabled (but have a link-time
dependency), or can work fine without it.

      Arnd

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[PATCH] thermal: imx: add NVMEM dependency Arnd Bergmann <arnd@arndb.de> - 2017-09-18 22:50 +0200
  Re: [PATCH] thermal: imx: add NVMEM dependency Arnd Bergmann <arnd@arndb.de> - 2017-09-19 14:30 +0200

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