linux-kernel - Re: [PATCH v3 2/2] pinctrl: nuvoton: add NPCM7xx pinctrl and GPIO driver

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Message-ID: <201807301436.p8zc3CC7%fengguang.wu@intel.com>
Date:   Mon, 30 Jul 2018 14:57:51 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Tomer Maimon <tmaimon77@...il.com>
Cc:     kbuild-all@...org, linus.walleij@...aro.org, robh+dt@...nel.org,
        mark.rutland@....com, yuenn@...gle.com, venture@...gle.com,
        brendanhiggins@...gle.com, avifishman70@...il.com, joel@....id.au,
        devicetree@...r.kernel.org, openbmc@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        Tomer Maimon <tmaimon77@...il.com>
Subject: Re: [PATCH v3 2/2] pinctrl: nuvoton: add NPCM7xx pinctrl and GPIO
 driver

Hi Tomer,

I love your patch! Yet something to improve:

[auto build test ERROR on pinctrl/devel]
[also build test ERROR on v4.18-rc7 next-20180727]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Tomer-Maimon/dt-binding-pinctrl-Add-NPCM7xx-pinctrl-and-GPIO-documentation/20180727-133838
base:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel
config: i386-allyesconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

>> drivers/mfd/Kconfig:1206:error: recursive dependency detected!
>> drivers/mfd/Kconfig:1206: symbol MFD_SYSCON is selected by MFD_VEXPRESS_SYSREG
>> drivers/mfd/Kconfig:1839: symbol MFD_VEXPRESS_SYSREG depends on GPIOLIB
>> drivers/gpio/Kconfig:13: symbol GPIOLIB is selected by PINCTRL_NPCM7XX
>> drivers/pinctrl/nuvoton/Kconfig:1: symbol PINCTRL_NPCM7XX depends on MFD_SYSCON
   For a resolution refer to Documentation/kbuild/kconfig-language.txt
   subsection "Kconfig recursive dependency limitations"

vim +1206 drivers/mfd/Kconfig

e102befe7 Mark Brown         2012-07-10  1191  
ab85b120e Samuel Ortiz       2013-04-09  1192  config MFD_STA2X11
ab85b120e Samuel Ortiz       2013-04-09  1193  	bool "STMicroelectronics STA2X11"
0244ad004 Martin Schwidefsky 2013-08-30  1194  	depends on STA2X11
b8380c1a6 Mark Brown         2008-12-18  1195  	select MFD_CORE
ab85b120e Samuel Ortiz       2013-04-09  1196  	select REGMAP_MMIO
ab85b120e Samuel Ortiz       2013-04-09  1197  
d58603cc3 Boris Brezillon    2014-05-09  1198  config MFD_SUN6I_PRCM
d58603cc3 Boris Brezillon    2014-05-09  1199  	bool "Allwinner A31 PRCM controller"
d58603cc3 Boris Brezillon    2014-05-09  1200  	depends on ARCH_SUNXI
d58603cc3 Boris Brezillon    2014-05-09  1201  	select MFD_CORE
d58603cc3 Boris Brezillon    2014-05-09  1202  	help
d58603cc3 Boris Brezillon    2014-05-09  1203  	  Support for the PRCM (Power/Reset/Clock Management) unit available
d58603cc3 Boris Brezillon    2014-05-09  1204  	  in A31 SoC.
d58603cc3 Boris Brezillon    2014-05-09  1205  
ab85b120e Samuel Ortiz       2013-04-09 @1206  config MFD_SYSCON
ab85b120e Samuel Ortiz       2013-04-09  1207  	bool "System Controller Register R/W Based on Regmap"
ab85b120e Samuel Ortiz       2013-04-09  1208  	select REGMAP_MMIO
1d9f9f040 Mark Brown         2008-09-10  1209  	help
ab85b120e Samuel Ortiz       2013-04-09  1210  	  Select this option to enable accessing system control registers
ab85b120e Samuel Ortiz       2013-04-09  1211  	  via regmap.
1d9f9f040 Mark Brown         2008-09-10  1212  

:::::: The code at line 1206 was first introduced by commit
:::::: ab85b120e6925203e4b63022166eacac19009380 mfd: Kconfig alphabetical re-ordering

:::::: TO: Samuel Ortiz <sameo@...ux.intel.com>
:::::: CC: Samuel Ortiz <sameo@...ux.intel.com>

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