linux-kernel - Re: [PATCH v3 1/3] leds: ktd2692: move ExpressWire code to library

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Date: Mon, 22 Jan 2024 18:26:04 +0100
From: Duje Mihanović <duje.mihanovic@...le.hr>
To: Daniel Thompson <daniel.thompson@...aro.org>
Cc: Lee Jones <lee@...nel.org>, Jingoo Han <jingoohan1@...il.com>,
 Pavel Machek <pavel@....cz>, Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Helge Deller <deller@....de>,
 Linus Walleij <linus.walleij@...aro.org>, Karel Balej <balejk@...fyz.cz>,
 ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
 dri-devel@...ts.freedesktop.org, linux-leds@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-fbdev@...r.kernel.org
Subject: Re: [PATCH v3 1/3] leds: ktd2692: move ExpressWire code to library

On Monday, January 22, 2024 5:57:53 PM CET Duje Mihanović wrote:
> On Monday, January 22, 2024 5:50:11 PM CET Daniel Thompson wrote:
> > AFAICT nothing will inhibit setting GPIOLIB so allyes- and allmodconfig
> > builds will always end up with GPIOLIB enabled. If we are happy to
> > select it then I think that is enough!
> 
> In that case I guess I'll just make it select GPIOLIB.

Nevermind that, it'll have to be 'depends on' after all:

drivers/gpio/Kconfig:6:error: recursive dependency detected!
drivers/gpio/Kconfig:6: symbol GPIOLIB is selected by LEDS_EXPRESSWIRE
drivers/leds/Kconfig:184:       symbol LEDS_EXPRESSWIRE depends on NEW_LEDS
drivers/leds/Kconfig:9: symbol NEW_LEDS is selected by SENSORS_APPLESMC
drivers/hwmon/Kconfig:348:      symbol SENSORS_APPLESMC depends on HWMON
drivers/hwmon/Kconfig:6:        symbol HWMON is selected by EEEPC_LAPTOP
drivers/platform/x86/Kconfig:325:       symbol EEEPC_LAPTOP depends on 
ACPI_VIDEO
drivers/acpi/Kconfig:209:       symbol ACPI_VIDEO depends on 
BACKLIGHT_CLASS_DEVICE
drivers/video/backlight/Kconfig:136:    symbol BACKLIGHT_CLASS_DEVICE is 
selected by FB_BACKLIGHT
drivers/video/fbdev/core/Kconfig:180:   symbol FB_BACKLIGHT is selected by 
FB_SSD1307
drivers/video/fbdev/Kconfig:1934:       symbol FB_SSD1307 depends on GPIOLIB
For a resolution refer to Documentation/kbuild/kconfig-language.rst
subsection "Kconfig recursive dependency limitations"

Regards,
--
Duje