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Date:   Fri, 22 Oct 2021 19:02:25 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Hans de Goede <hdegoede@...hat.com>,
        Mark Gross <markgross@...nel.org>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Tim Crawford <tcrawford@...tem76.com>,
        Jeremy Soller <jeremy@...tem76.com>,
        Arnd Bergmann <arnd@...db.de>, Kate Hsuan <hpa@...hat.com>,
        "David E. Box" <david.e.box@...ux.intel.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Maximilian Luz <luzmaximilian@...il.com>,
        Alexander Duyck <alexander.h.duyck@...ux.intel.com>,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hwmon@...r.kernel.org
Subject: Re: [PATCH] platform/x86: system76_acpi: fix Kconfig dependencies

On Fri, Oct 22, 2021 at 05:48:40PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> When CONFIG_INPUT is disabled, this driver now fails to link:
> 
> ld.lld: error: undefined symbol: devm_input_allocate_device
> >>> referenced by system76_acpi.c
> >>>               platform/x86/system76_acpi.o:(system76_add) in archive drivers/built-in.a
> 
> ld.lld: error: undefined symbol: input_set_capability
> >>> referenced by system76_acpi.c
> >>>               platform/x86/system76_acpi.o:(system76_add) in archive drivers/built-in.a
> 
> ld.lld: error: undefined symbol: devm_hwmon_device_register_with_info
> >>> referenced by system76_acpi.c
> >>>               platform/x86/system76_acpi.o:(system76_add) in archive drivers/built-in.a
> 
> ld.lld: error: undefined symbol: battery_hook_unregister
> >>> referenced by system76_acpi.c
> >>>               platform/x86/system76_acpi.o:(system76_remove) in archive drivers/built-in.a
> 
> Add Kconfig dependencies for each of these three.

Thanks! FWIW,
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

(See one comment below)

> Fixes: 0de30fc684b3 ("platform/x86: system76_acpi: Replace Fn+F2 function for OLED models")
> Fixes: 95563d45b5da ("platform/x86: system76_acpi: Report temperature and fan speed")
> Fixes: 76f7eba3e0a2 ("platform/x86: system76_acpi: Add battery charging thresholds")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  drivers/platform/x86/Kconfig | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
> index 56bcf80da60a..c422ee785c56 100644
> --- a/drivers/platform/x86/Kconfig
> +++ b/drivers/platform/x86/Kconfig
> @@ -923,6 +923,9 @@ config SONYPI_COMPAT
>  config SYSTEM76_ACPI
>  	tristate "System76 ACPI Driver"

>  	depends on ACPI
> +	depends on ACPI_BATTERY

ACPI_BATTERY depends on ACPI, do we need to keep ACPI above?

> +	depends on HWMON
> +	depends on INPUT
>  	select NEW_LEDS
>  	select LEDS_CLASS
>  	select LEDS_TRIGGERS

-- 
With Best Regards,
Andy Shevchenko


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