linux-kernel - Re: [PATCH -next] power: supply: mt6370: Fix Kconfig dependency

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Message-ID: <904af4cb-147f-a7ba-63e3-c27cad0350f2@gmail.com>
Date:   Thu, 22 Sep 2022 17:58:12 +0800
From:   ChiaEn Wu <peterwu.pub@...il.com>
To:     Ren Zhijie <renzhijie2@...wei.com>, sre@...nel.org,
        andy.shevchenko@...il.com, chiaen_wu@...htek.com
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] power: supply: mt6370: Fix Kconfig dependency

On 9/22/2022 10:33 AM, Ren Zhijie wrote:
> If CONFIG_IIO is not set,
> make ARCH=x86_64 CROSS_COMPILE=x86_64-linux-gnu-,
> will be failed, like this:
> 
> drivers/power/supply/mt6370-charger.o: In function `mt6370_chg_mivr_dwork_func':
> mt6370-charger.c:(.text+0x670): undefined reference to `iio_read_channel_processed'
> drivers/power/supply/mt6370-charger.o: In function `mt6370_chg_probe':
> mt6370-charger.c:(.text+0xb43): undefined reference to `devm_iio_channel_get_all'
> make: *** [vmlinux] Error 1
> 
> To fix this build error, add depends on IIO to config CHARGER_MT6370 dependency.
> 
> Fixes: 233cb8a47d65 ("power: supply: mt6370: Add MediaTek MT6370 charger driver")
> Signed-off-by: Ren Zhijie <renzhijie2@...wei.com>
> ---
>   drivers/power/supply/Kconfig | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig
> index 591deb82e2c6..62111f4bb093 100644
> --- a/drivers/power/supply/Kconfig
> +++ b/drivers/power/supply/Kconfig
> @@ -623,6 +623,7 @@ config CHARGER_MT6370
>   	tristate "MediaTek MT6370 Charger Driver"
>   	depends on MFD_MT6370
>   	depends on REGULATOR
> +	depends on IIO
>   	select LINEAR_RANGES
>   	help
>   	  Say Y here to enable MT6370 Charger Part.

Hi Ren,

Thanks for catching this!

Reviewed-by: ChiaEn Wu <chiaen_wu@...htek.com>

-- 
Best Regards,
ChiaEn Wu