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Message-ID: <202201041305.X3oSuWBy-lkp@intel.com>
Date: Tue, 4 Jan 2022 13:07:29 +0800
From: kernel test robot <lkp@...el.com>
To: Sergio Paracuellos <sergio.paracuellos@...il.com>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org, Bjorn Helgaas <helgaas@...nel.org>,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Subject: drivers/pci/controller/pcie-mt7621.c:224:6: error: implicit
declaration of function 'mips_cps_numiocu'
Hi Sergio,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: c9e6606c7fe92b50a02ce51dda82586ebdf99b48
commit: 2bdd5238e756aac3ecbffc7c22b884485e84062e PCI: mt7621: Add MediaTek MT7621 PCIe host controller driver
date: 3 months ago
config: mips-randconfig-r024-20220102 (https://download.01.org/0day-ci/archive/20220104/202201041305.X3oSuWBy-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 104a827ea6de0cbe0f5faef4407552ede31d165c)
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
# install mips cross compiling tool for clang build
# apt-get install binutils-mips-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2bdd5238e756aac3ecbffc7c22b884485e84062e
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 2bdd5238e756aac3ecbffc7c22b884485e84062e
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash 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-mt7621.c:224:6: error: implicit declaration of function 'mips_cps_numiocu' [-Werror,-Wimplicit-function-declaration]
if (mips_cps_numiocu(0)) {
^
>> drivers/pci/controller/pcie-mt7621.c:232:3: error: implicit declaration of function 'write_gcr_reg1_base' [-Werror,-Wimplicit-function-declaration]
write_gcr_reg1_base(entry->res->start);
^
>> drivers/pci/controller/pcie-mt7621.c:233:3: error: implicit declaration of function 'write_gcr_reg1_mask' [-Werror,-Wimplicit-function-declaration]
write_gcr_reg1_mask(mask | CM_GCR_REGn_MASK_CMTGT_IOCU0);
^
drivers/pci/controller/pcie-mt7621.c:233:3: note: did you mean 'write_gcr_reg1_base'?
drivers/pci/controller/pcie-mt7621.c:232:3: note: 'write_gcr_reg1_base' declared here
write_gcr_reg1_base(entry->res->start);
^
>> drivers/pci/controller/pcie-mt7621.c:233:30: error: use of undeclared identifier 'CM_GCR_REGn_MASK_CMTGT_IOCU0'
write_gcr_reg1_mask(mask | CM_GCR_REGn_MASK_CMTGT_IOCU0);
^
>> drivers/pci/controller/pcie-mt7621.c:235:25: error: implicit declaration of function 'read_gcr_reg1_base' [-Werror,-Wimplicit-function-declaration]
(unsigned long long)read_gcr_reg1_base(),
^
drivers/pci/controller/pcie-mt7621.c:235:25: note: did you mean 'write_gcr_reg1_base'?
drivers/pci/controller/pcie-mt7621.c:232:3: note: 'write_gcr_reg1_base' declared here
write_gcr_reg1_base(entry->res->start);
^
>> drivers/pci/controller/pcie-mt7621.c:236:25: error: implicit declaration of function 'read_gcr_reg1_mask' [-Werror,-Wimplicit-function-declaration]
(unsigned long long)read_gcr_reg1_mask());
^
drivers/pci/controller/pcie-mt7621.c:236:25: note: did you mean 'read_gcr_reg1_base'?
drivers/pci/controller/pcie-mt7621.c:235:25: note: 'read_gcr_reg1_base' declared here
(unsigned long long)read_gcr_reg1_base(),
^
include/linux/dev_printk.h:150:67: note: expanded from macro 'dev_info'
dev_printk_index_wrap(_dev_info, KERN_INFO, dev, dev_fmt(fmt), ##__VA_ARGS__)
^
include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
_p_func(dev, fmt, ##__VA_ARGS__); \
^
6 errors generated.
vim +/mips_cps_numiocu +224 drivers/pci/controller/pcie-mt7621.c
e51844bf825169 drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2018-11-24 210
b15606e63ea90c drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2021-06-14 211 static int setup_cm_memory_region(struct pci_host_bridge *host)
03f152e31f4ae8 drivers/staging/mt7621-pci/pci-mt7621.c John Crispin 2018-03-15 212 {
b15606e63ea90c drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2021-06-14 213 struct mt7621_pcie *pcie = pci_host_bridge_priv(host);
d936550784a23b drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2018-11-04 214 struct device *dev = pcie->dev;
b15606e63ea90c drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2021-06-14 215 struct resource_entry *entry;
03f152e31f4ae8 drivers/staging/mt7621-pci/pci-mt7621.c John Crispin 2018-03-15 216 resource_size_t mask;
8571c62d45cb7e drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2018-08-03 217
b15606e63ea90c drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2021-06-14 218 entry = resource_list_first_type(&host->windows, IORESOURCE_MEM);
b15606e63ea90c drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2021-06-14 219 if (!entry) {
2bdd5238e756aa drivers/pci/controller/pcie-mt7621.c Sergio Paracuellos 2021-09-22 220 dev_err(dev, "cannot get memory resource\n");
b15606e63ea90c drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2021-06-14 221 return -EINVAL;
b15606e63ea90c drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2021-06-14 222 }
b15606e63ea90c drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2021-06-14 223
03f152e31f4ae8 drivers/staging/mt7621-pci/pci-mt7621.c John Crispin 2018-03-15 @224 if (mips_cps_numiocu(0)) {
d2bac2fd6daa91 drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2018-11-04 225 /*
d2bac2fd6daa91 drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2018-11-04 226 * FIXME: hardware doesn't accept mask values with 1s after
d4e3a1f6cea79e drivers/staging/mt7621-pci/pci-mt7621.c NeilBrown 2018-05-04 227 * 0s (e.g. 0xffef), so it would be great to warn if that's
d2bac2fd6daa91 drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2018-11-04 228 * about to happen
d2bac2fd6daa91 drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2018-11-04 229 */
b15606e63ea90c drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2021-06-14 230 mask = ~(entry->res->end - entry->res->start);
03f152e31f4ae8 drivers/staging/mt7621-pci/pci-mt7621.c John Crispin 2018-03-15 231
b15606e63ea90c drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2021-06-14 @232 write_gcr_reg1_base(entry->res->start);
03f152e31f4ae8 drivers/staging/mt7621-pci/pci-mt7621.c John Crispin 2018-03-15 @233 write_gcr_reg1_mask(mask | CM_GCR_REGn_MASK_CMTGT_IOCU0);
d936550784a23b drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2018-11-04 234 dev_info(dev, "PCI coherence region base: 0x%08llx, mask/settings: 0x%08llx\n",
03f152e31f4ae8 drivers/staging/mt7621-pci/pci-mt7621.c John Crispin 2018-03-15 @235 (unsigned long long)read_gcr_reg1_base(),
03f152e31f4ae8 drivers/staging/mt7621-pci/pci-mt7621.c John Crispin 2018-03-15 @236 (unsigned long long)read_gcr_reg1_mask());
03f152e31f4ae8 drivers/staging/mt7621-pci/pci-mt7621.c John Crispin 2018-03-15 237 }
09dd629eeabb8a drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2020-03-18 238
8571c62d45cb7e drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2018-08-03 239 return 0;
8571c62d45cb7e drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2018-08-03 240 }
8571c62d45cb7e drivers/staging/mt7621-pci/pci-mt7621.c Sergio Paracuellos 2018-08-03 241
:::::: The code at line 224 was first introduced by commit
:::::: 03f152e31f4ae89c37ab240f45dd77c8a916dd26 staging: mt7621-pci: MIPS/ralink: add MT7621 pcie driver
:::::: TO: John Crispin <blogic@...nwrt.org>
:::::: CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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