linux-kernel - Re: linux-next: build warning after merge of the regmap tree

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Message-ID: <20171106152157.2ad9a5a9@canb.auug.org.au>
Date:   Mon, 6 Nov 2017 15:21:57 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Mark Brown <broonie@...nel.org>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the regmap tree

Hi Mark,

On Mon, 6 Nov 2017 11:52:14 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> After merging the regmap tree, today's linux-next build
> (arm_multi_v7_defconfig) produced this warning:
> 
> drivers/gpio/Kconfig:13:error: recursive dependency detected!
> For a resolution refer to Documentation/kbuild/kconfig-language.txt
> subsection "Kconfig recursive dependency limitations"
> drivers/gpio/Kconfig:13:	symbol GPIOLIB is selected by PINCTRL_SUNXI
> For a resolution refer to Documentation/kbuild/kconfig-language.txt
> subsection "Kconfig recursive dependency limitations"
> drivers/pinctrl/sunxi/Kconfig:3:	symbol PINCTRL_SUNXI is selected by PINCTRL_SUN6I_A31_R
> For a resolution refer to Documentation/kbuild/kconfig-language.txt
> subsection "Kconfig recursive dependency limitations"
> drivers/pinctrl/sunxi/Kconfig:21:	symbol PINCTRL_SUN6I_A31_R depends on RESET_CONTROLLER
> For a resolution refer to Documentation/kbuild/kconfig-language.txt
> subsection "Kconfig recursive dependency limitations"
> drivers/reset/Kconfig:4:	symbol RESET_CONTROLLER is selected by QCOM_SCM
> For a resolution refer to Documentation/kbuild/kconfig-language.txt
> subsection "Kconfig recursive dependency limitations"
> drivers/firmware/Kconfig:205:	symbol QCOM_SCM is selected by QCOM_ADSP_PIL
> For a resolution refer to Documentation/kbuild/kconfig-language.txt
> subsection "Kconfig recursive dependency limitations"
> drivers/remoteproc/Kconfig:90:	symbol QCOM_ADSP_PIL depends on QCOM_SMEM
> For a resolution refer to Documentation/kbuild/kconfig-language.txt
> subsection "Kconfig recursive dependency limitations"
> drivers/soc/qcom/Kconfig:49:	symbol QCOM_SMEM depends on HWSPINLOCK
> For a resolution refer to Documentation/kbuild/kconfig-language.txt
> subsection "Kconfig recursive dependency limitations"
> drivers/hwspinlock/Kconfig:5:	symbol HWSPINLOCK is selected by REGMAP
> For a resolution refer to Documentation/kbuild/kconfig-language.txt
> subsection "Kconfig recursive dependency limitations"
> drivers/base/regmap/Kconfig:6:	symbol REGMAP is selected by PINCTRL_SX150X
> For a resolution refer to Documentation/kbuild/kconfig-language.txt
> subsection "Kconfig recursive dependency limitations"
> drivers/pinctrl/Kconfig:227:	symbol PINCTRL_SX150X is selected by GPIO_SX150X
> For a resolution refer to Documentation/kbuild/kconfig-language.txt
> subsection "Kconfig recursive dependency limitations"
> drivers/gpio/Kconfig:821:	symbol GPIO_SX150X depends on GPIOLIB
> warning: (ARCH_VEXPRESS) selects MFD_VEXPRESS_SYSREG which has unmet direct dependencies (HAS_IOMEM && VEXPRESS_CONFIG && GPIOLIB && !ARCH_USES_GETTIMEOFFSET)
> warning: (ARCH_NOMADIK && ARCH_U8500) selects PINCTRL_NOMADIK which has unmet direct dependencies (PINCTRL && (ARCH_U8500 || ARCH_NOMADIK) && OF && GPIOLIB)
> warning: (PINCTRL_AT91 && PINCTRL_AT91PIO4 && PINCTRL_MESON && PINCTRL_OXNAS && PINCTRL_PISTACHIO && PINCTRL_PIC32 && PINCTRL_NOMADIK && PINCTRL_MTK && GPIO_TB10X) selects OF_GPIO which has unmet direct dependencies (GPIOLIB && OF && HAS_IOMEM)
> 
> Maybe introduced by commit
> 
>   f25637a6b89e ("regmap: Add a config option for hwspinlock")

Things got worse during the day until config started segfaulting, so I
reverted this commit.

-- 
Cheers,
Stephen Rothwell