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SubjectRe: [PATCH v3 4/5] ACPI/PCI: Ignore _OSC DPC negotiation result if pcie_ports_dpc_native is set.
Hi,

I love your patch! Yet something to improve:

[auto build test ERROR on pci/next]
[also build test ERROR on v5.7-rc7 next-20200526]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url: https://github.com/0day-ci/linux/commits/sathyanarayanan-kuppuswamy-linux-intel-com/Remove-AER-HEST-table-parser/20200525-053721
base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: arm-gemini_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>

All error/warnings (new ones prefixed by >>, old ones prefixed by <<):

In file included from drivers/pci/pci-driver.c:7:
>> include/linux/pci.h:1554:31: error: 'false' redeclared as different kind of symbol
1554 | #define pcie_ports_dpc_native false
| ^~~~~
>> drivers/pci/pcie/portdrv.h:28:13: note: in expansion of macro 'pcie_ports_dpc_native'
28 | extern bool pcie_ports_dpc_native;
| ^~~~~~~~~~~~~~~~~~~~~
In file included from include/uapi/linux/posix_types.h:5,
from include/uapi/linux/types.h:14,
from include/linux/types.h:6,
from include/linux/mod_devicetable.h:12,
from include/linux/pci.h:27,
from drivers/pci/pci-driver.c:7:
include/linux/stddef.h:11:2: note: previous definition of 'false' was here
11 | false = 0,
| ^~~~~

vim +/false +1554 include/linux/pci.h

1546
1547 #ifdef CONFIG_PCIEPORTBUS
1548 extern bool pcie_ports_disabled;
1549 extern bool pcie_ports_native;
1550 extern bool pcie_ports_dpc_native;
1551 #else
1552 #define pcie_ports_disabled true
1553 #define pcie_ports_native false
> 1554 #define pcie_ports_dpc_native false
1555 #endif
1556

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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