linux-kernel - Re: Kconfig dangling references (BZ 216748)

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Message-ID: <4b6db1eb455fff8e3c7372943faa5ef179c1d19f.camel@crapouillou.net>
Date: Wed, 10 Dec 2025 14:06:41 +0100
From: Paul Cercueil <paul@...pouillou.net>
To: Randy Dunlap <rdunlap@...radead.org>, Linux Kernel Mailing List
	 <linux-kernel@...r.kernel.org>
Cc: Andy Shevchenko <andy.shevchenko@...il.com>, Arnd Bergmann
 <arnd@...db.de>, 	andrew.jones@...ux.dev, linux-omap@...r.kernel.org,
 openbmc@...ts.ozlabs.org, 	linux-sound@...r.kernel.org, Alexander Shishkin	
 <alexander.shishkin@...ux.intel.com>, linux-mips@...r.kernel.org, 
	asahi@...ts.linux.dev, "dri-devel@...ts.freedesktop.org"	
 <dri-devel@...ts.freedesktop.org>, Paul Kocialkowski <paulk@...-base.io>, 
	chrome-platform@...ts.linux.dev, linux-stm32@...md-mailman.stormreply.com, 
 Linux ARM <linux-arm-kernel@...ts.infradead.org>,
 linux-gpio@...r.kernel.org, Srinivas Kandagatla	 <srini@...nel.org>,
 Philipp Zabel <p.zabel@...gutronix.de>, Matti Vaittinen	
 <mazziesaccount@...il.com>, Jonathan Cameron <jic23@...nel.org>, Vaibhav
 Hiremath <hvaibhav.linux@...il.com>, linux-sh@...r.kernel.org,
 x86@...nel.org, Max Filippov	 <jcmvbkbc@...il.com>
Subject: Re: Kconfig dangling references (BZ 216748)

Hi Randy,

Le dimanche 07 décembre 2025 à 18:04 -0800, Randy Dunlap a écrit :
> from  https://bugzilla.kernel.org/show_bug.cgi?id=216748
> 
> The bugzilla entry includes a Perl script and a shell script.
> This is the edited result of running them (I removed some entries
> that were noise).
> 
> I'll try to Cc: all of the relevant mailing lists or individuals.
> 
> 
> ARCH_HAS_HOLES_MEMORYMODEL ---
> arch/arm/mach-omap1/Kconfig:7:	select ARCH_HAS_HOLES_MEMORYMODEL
> 
> ARM_ERRATA_794072 ---
> arch/arm/mach-npcm/Kconfig:33:	select ARM_ERRATA_794072
> 
> ARM_SMC_MBOX ---
> arch/arm64/Kconfig.platforms:375:	select ARM_SMC_MBOX
> 
> CLK_FIXED_FCH ---
> sound/soc/amd/Kconfig:11:	select CLK_FIXED_FCH
> sound/soc/amd/Kconfig:48:	select CLK_FIXED_FCH
> sound/soc/amd/acp/Kconfig:107:	select CLK_FIXED_FCH
> 
> CONFIG_STM ---
> drivers/hwtracing/stm/Kconfig:16:	default CONFIG_STM  # should
> be STM
> drivers/hwtracing/stm/Kconfig:31:	default CONFIG_STM
> 
> CPU_HAS_LOAD_STORE_LR ---
> arch/mips/Kconfig:1411:	select CPU_HAS_LOAD_STORE_LR
> 
> DRM_KMS_DMA_HELPER ---
> drivers/gpu/drm/adp/Kconfig:9:	select DRM_KMS_DMA_HELPER
> drivers/gpu/drm/logicvc/Kconfig:7:	select DRM_KMS_DMA_HELPER
> 
> EXTCON_TCSS_CROS_EC ---
> drivers/usb/typec/ucsi/Kconfig:76:	depends on
> !EXTCON_TCSS_CROS_EC
> 
> MACH_JZ4755 ---
> drivers/clk/ingenic/Kconfig:20:	default MACH_JZ4755
> drivers/pinctrl/pinctrl-
> ingenic.c:158:	IS_ENABLED(CONFIG_MACH_JZ4755) << ID_JZ4755 |
> drivers/pinctrl/pinctrl-ingenic.c:4616:		.data =
> IF_ENABLED(CONFIG_MACH_JZ4755, &jz4755_chip_info)
> 
> MACH_JZ4760 ---
> drivers/clk/ingenic/Kconfig:40:	default MACH_JZ4760
> drivers/pinctrl/pinctrl-
> ingenic.c:159:	IS_ENABLED(CONFIG_MACH_JZ4760) << ID_JZ4760 |
> drivers/pinctrl/pinctrl-ingenic.c:4620:		.data =
> IF_ENABLED(CONFIG_MACH_JZ4760, &jz4760_chip_info)
> drivers/pinctrl/pinctrl-ingenic.c:4624:		.data =
> IF_ENABLED(CONFIG_MACH_JZ4760, &jz4760_chip_info)

Those were added when upstreaming support for the JZ4755/JZ4760, but
the DTS files and actual support in arch/mips/ was never sent.

Instead of dropping those, I'll try to upstream the basic support for
those SoCs in the coming days.

Cheers,
-Paul

> 
> MACH_STM32MP25 ---
> drivers/pinctrl/stm32/Kconfig:58:	default MACH_STM32MP25 ||
> (ARCH_STM32 && ARM64)
> 
> MFD_AIROHA_AN8855 ---
> drivers/nvmem/Kconfig:33:	depends on MFD_AIROHA_AN8855 ||
> COMPILE_TEST
> 
> MFD_TN48M_CPLD ---
> drivers/gpio/Kconfig:1624:	depends on MFD_TN48M_CPLD ||
> COMPILE_TEST
> drivers/reset/Kconfig:365:	depends on MFD_TN48M_CPLD ||
> COMPILE_TEST
> drivers/reset/Kconfig:366:	default MFD_TN48M_CPLD
> 
> MIPS_BAIKAL_T1 ---
> drivers/ata/Kconfig:197:	select MFD_SYSCON if (MIPS_BAIKAL_T1
> || COMPILE_TEST)
> drivers/bus/Kconfig:43:	depends on MIPS_BAIKAL_T1 || COMPILE_TEST
> drivers/bus/Kconfig:58:	depends on MIPS_BAIKAL_T1 || COMPILE_TEST
> drivers/clk/baikal-t1/Kconfig:4:	depends on (MIPS_BAIKAL_T1
> && OF) || COMPILE_TEST
> drivers/clk/baikal-t1/Kconfig:5:	default MIPS_BAIKAL_T1
> drivers/clk/baikal-t1/Kconfig:20:	default MIPS_BAIKAL_T1
> drivers/clk/baikal-t1/Kconfig:33:	default MIPS_BAIKAL_T1
> drivers/clk/baikal-t1/Kconfig:45:	default MIPS_BAIKAL_T1
> drivers/hwmon/Kconfig:462:	depends on MIPS_BAIKAL_T1 ||
> COMPILE_TEST
> drivers/i2c/busses/Kconfig:589:	select MFD_SYSCON if MIPS_BAIKAL_T1
> drivers/memory/Kconfig:69:	depends on MIPS_BAIKAL_T1 ||
> COMPILE_TEST
> drivers/mtd/maps/Kconfig:81:	depends on MIPS_BAIKAL_T1 ||
> COMPILE_TEST
> drivers/pci/controller/dwc/Kconfig:89:	depends on MIPS_BAIKAL_T1 ||
> COMPILE_TEST
> drivers/spi/Kconfig:370:	depends on MIPS_BAIKAL_T1 ||
> COMPILE_TEST
> 
> PINCTRL_MILBEAUT ---
> arch/arm/mach-milbeaut/Kconfig:16:	select PINCTRL_MILBEAUT
> 
> SND_SOC_AC97_BUS_NEW ---
> sound/soc/pxa/Kconfig:21:	select SND_SOC_AC97_BUS_NEW
> 
> SND_SOC_CS35L56_CAL_SYSFS_COMMON ---
> sound/soc/codecs/Kconfig:920:	select
> SND_SOC_CS35L56_CAL_SYSFS_COMMON
> 
> TEST_KUNIT_DEVICE_HELPERS ---
> drivers/iio/test/Kconfig:11:	select TEST_KUNIT_DEVICE_HELPERS
> 
> USB_HSIC_USB3613 ---
> drivers/staging/greybus/Kconfig:209:	depends on USB_HSIC_USB3613
> || COMPILE_TEST
> drivers/staging/greybus/arche-platform.c:26:#if
> IS_ENABLED(CONFIG_USB_HSIC_USB3613)
> 
> USB_OHCI_SH ---
> arch/sh/Kconfig:334:	select USB_OHCI_SH if USB_OHCI_HCD
> arch/sh/Kconfig:344:	select USB_OHCI_SH if USB_OHCI_HCD
> arch/sh/Kconfig:429:	select USB_OHCI_SH if USB_OHCI_HCD
> arch/sh/Kconfig:455:	select USB_OHCI_SH if USB_OHCI_HCD
> arch/sh/configs/sh7757lcr_defconfig:61:CONFIG_USB_OHCI_SH=y
> 
> X86_P6_NOP ---
> arch/x86/Kconfig.cpufeatures:41:	depends on X86_64 ||
> X86_P6_NOP
> arch/x86/Makefile_32.cpu:48:ifneq ($(CONFIG_X86_P6_NOP),y)
> 
> XTENSA_PLATFORM_ESP32 ---
> drivers/tty/serial/Kconfig:1598:	depends on
> XTENSA_PLATFORM_ESP32 || (COMPILE_TEST && OF)
> drivers/tty/serial/Kconfig:1611:	depends on
> XTENSA_PLATFORM_ESP32 || (COMPILE_TEST && OF)
>