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SubjectRe: [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@linux.intel.com>
:::::: CC: Samuel Ortiz <sameo@linux.intel.com>

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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