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Date: Sun, 5 Dec 2021 21:23:30 +0800
From: kernel test robot <lkp@...el.com>
To: Hector Martin <marcan@...can.st>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [asahilinux:asahi 55/56] drivers/pci/controller/pcie-apple.c:537:18:
error: implicit declaration of function 'FIELD_PREP'
tree: https://github.com/AsahiLinux/linux asahi
head: 69711d887d3f10a4f7dd6fd648bfff63ff66ba18
commit: 1dcce995852337e04880b91baef1994681d62f9c [55/56] PCI: apple: Configure link speeds properly
config: ia64-randconfig-r015-20211203 (https://download.01.org/0day-ci/archive/20211205/202112052106.IiknpGPg-lkp@intel.com/config)
compiler: ia64-linux-gcc (GCC) 11.2.0
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
# https://github.com/AsahiLinux/linux/commit/1dcce995852337e04880b91baef1994681d62f9c
git remote add asahilinux https://github.com/AsahiLinux/linux
git fetch --no-tags asahilinux asahi
git checkout 1dcce995852337e04880b91baef1994681d62f9c
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/gpu/drm/tiny/ drivers/pci/controller/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
drivers/pci/controller/pcie-apple.c: In function 'apple_pcie_link_configure_max_speed':
>> drivers/pci/controller/pcie-apple.c:537:18: error: implicit declaration of function 'FIELD_PREP' [-Werror=implicit-function-declaration]
537 | ctrl2 |= FIELD_PREP(PCI_EXP_LNKCTL2_TLS, max_gen);
| ^~~~~~~~~~
cc1: some warnings being treated as errors
--
In file included from include/linux/kallsyms.h:14,
from include/linux/ftrace.h:12,
from include/linux/kprobes.h:28,
from include/linux/kgdb.h:19,
from include/linux/fb.h:6,
from include/linux/platform_data/simplefb.h:12,
from drivers/gpu/drm/tiny/simpledrm.c:6:
>> include/linux/module.h:131:49: error: redefinition of '__inittest'
131 | static inline initcall_t __maybe_unused __inittest(void) \
| ^~~~~~~~~~
include/linux/module.h:119:41: note: in expansion of macro 'module_init'
119 | #define fs_initcall(fn) module_init(fn)
| ^~~~~~~~~~~
drivers/gpu/drm/tiny/simpledrm.c:915:1: note: in expansion of macro 'fs_initcall'
915 | fs_initcall(simplefb_init);
| ^~~~~~~~~~~
include/linux/module.h:131:49: note: previous definition of '__inittest' with type 'int (*(void))(void)'
131 | static inline initcall_t __maybe_unused __inittest(void) \
| ^~~~~~~~~~
include/linux/device/driver.h:263:1: note: in expansion of macro 'module_init'
263 | module_init(__driver##_init); \
| ^~~~~~~~~~~
include/linux/platform_device.h:252:9: note: in expansion of macro 'module_driver'
252 | module_driver(__platform_driver, platform_driver_register, \
| ^~~~~~~~~~~~~
drivers/gpu/drm/tiny/simpledrm.c:899:1: note: in expansion of macro 'module_platform_driver'
899 | module_platform_driver(simpledrm_platform_driver);
| ^~~~~~~~~~~~~~~~~~~~~~
>> include/linux/module.h:133:13: error: redefinition of 'init_module'
133 | int init_module(void) __copy(initfn) \
| ^~~~~~~~~~~
include/linux/module.h:119:41: note: in expansion of macro 'module_init'
119 | #define fs_initcall(fn) module_init(fn)
| ^~~~~~~~~~~
drivers/gpu/drm/tiny/simpledrm.c:915:1: note: in expansion of macro 'fs_initcall'
915 | fs_initcall(simplefb_init);
| ^~~~~~~~~~~
include/linux/module.h:133:13: note: previous definition of 'init_module' with type 'int(void)'
133 | int init_module(void) __copy(initfn) \
| ^~~~~~~~~~~
include/linux/device/driver.h:263:1: note: in expansion of macro 'module_init'
263 | module_init(__driver##_init); \
| ^~~~~~~~~~~
include/linux/platform_device.h:252:9: note: in expansion of macro 'module_driver'
252 | module_driver(__platform_driver, platform_driver_register, \
| ^~~~~~~~~~~~~
drivers/gpu/drm/tiny/simpledrm.c:899:1: note: in expansion of macro 'module_platform_driver'
899 | module_platform_driver(simpledrm_platform_driver);
| ^~~~~~~~~~~~~~~~~~~~~~
vim +/FIELD_PREP +537 drivers/pci/controller/pcie-apple.c
523
524 static int apple_pcie_link_configure_max_speed(struct apple_pcie_port *port)
525 {
526 int max_gen;
527 u32 ctrl2;
528
529 max_gen = of_pci_get_max_link_speed(port->np);
530 if (max_gen < 0) {
531 dev_err(port->pcie->dev, "max link speed not specified\n");
532 return max_gen;
533 }
534
535 ctrl2 = readw_relaxed(bridge_reg(port, PCIE_CAP_BASE + PCI_EXP_LNKCTL2));
536 ctrl2 &= ~PCI_EXP_LNKCTL2_TLS;
> 537 ctrl2 |= FIELD_PREP(PCI_EXP_LNKCTL2_TLS, max_gen);
538 writew_relaxed(ctrl2, bridge_reg(port, PCIE_CAP_BASE + PCI_EXP_LNKCTL2));
539
540 return 0;
541 }
542
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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