From: kernel test robot <lkp@intel.com>
To: Vidya Sagar <vidyas@nvidia.com>
Cc: kbuild-all@lists.01.org, clang-built-linux@googlegroups.com,
linux-kernel@vger.kernel.org, Bjorn Helgaas <helgaas@kernel.org>
Subject: drivers/pci/controller/dwc/pcie-tegra194.c:243:27: warning: unused variable 'pcie_gen_freq'
Date: Sun, 9 May 2021 04:03:11 +0800 [thread overview]
Message-ID: <202105090409.b1kTuf9b-lkp@intel.com> (raw)
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Hi Vidya,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: b741596468b010af2846b75f5e75a842ce344a6e
commit: 7f100744749e4fe547dece3bb6557fae5f0a7252 PCI: tegra: Add Tegra194 MCFG quirks for ECAM errata
date: 3 weeks ago
config: arm64-randconfig-r026-20210509 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 1312852040b3190a6cb7d7c1f61fe95a5e930d8d)
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 arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7f100744749e4fe547dece3bb6557fae5f0a7252
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 7f100744749e4fe547dece3bb6557fae5f0a7252
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from drivers/pci/controller/dwc/pcie-tegra194.c:25:
In file included from include/linux/pci-acpi.h:12:
In file included from include/linux/acpi.h:35:
In file included from include/acpi/acpi_io.h:7:
In file included from arch/arm64/include/asm/acpi.h:12:
include/linux/efi.h:1093:34: warning: passing 1-byte aligned argument to 4-byte aligned parameter 2 of 'get_var' may result in an unaligned pointer access [-Walign-mismatch]
status = get_var(L"SecureBoot", &EFI_GLOBAL_VARIABLE_GUID, NULL, &size,
^
include/linux/efi.h:1101:24: warning: passing 1-byte aligned argument to 4-byte aligned parameter 2 of 'get_var' may result in an unaligned pointer access [-Walign-mismatch]
get_var(L"SetupMode", &EFI_GLOBAL_VARIABLE_GUID, NULL, &size, &setupmode);
^
>> drivers/pci/controller/dwc/pcie-tegra194.c:243:27: warning: unused variable 'pcie_gen_freq' [-Wunused-const-variable]
static const unsigned int pcie_gen_freq[] = {
^
drivers/pci/controller/dwc/pcie-tegra194.c:250:18: warning: unused variable 'event_cntr_ctrl_offset' [-Wunused-const-variable]
static const u32 event_cntr_ctrl_offset[] = {
^
drivers/pci/controller/dwc/pcie-tegra194.c:259:18: warning: unused variable 'event_cntr_data_offset' [-Wunused-const-variable]
static const u32 event_cntr_data_offset[] = {
^
5 warnings generated.
vim +/pcie_gen_freq +243 drivers/pci/controller/dwc/pcie-tegra194.c
c57247f940e8ea Vidya Sagar 2020-03-03 242
56e15a238d9278 Vidya Sagar 2019-08-13 @243 static const unsigned int pcie_gen_freq[] = {
56e15a238d9278 Vidya Sagar 2019-08-13 244 GEN1_CORE_CLK_FREQ,
56e15a238d9278 Vidya Sagar 2019-08-13 245 GEN2_CORE_CLK_FREQ,
56e15a238d9278 Vidya Sagar 2019-08-13 246 GEN3_CORE_CLK_FREQ,
56e15a238d9278 Vidya Sagar 2019-08-13 247 GEN4_CORE_CLK_FREQ
56e15a238d9278 Vidya Sagar 2019-08-13 248 };
56e15a238d9278 Vidya Sagar 2019-08-13 249
:::::: The code at line 243 was first introduced by commit
:::::: 56e15a238d92788a2d09e0c5c26a5de1b3156931 PCI: tegra: Add Tegra194 PCIe support
:::::: TO: Vidya Sagar <vidyas@nvidia.com>
:::::: CC: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: drivers/pci/controller/dwc/pcie-tegra194.c:243:27: warning: unused variable 'pcie_gen_freq'
Date: Sun, 09 May 2021 04:03:11 +0800 [thread overview]
Message-ID: <202105090409.b1kTuf9b-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 3888 bytes --]
Hi Vidya,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: b741596468b010af2846b75f5e75a842ce344a6e
commit: 7f100744749e4fe547dece3bb6557fae5f0a7252 PCI: tegra: Add Tegra194 MCFG quirks for ECAM errata
date: 3 weeks ago
config: arm64-randconfig-r026-20210509 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 1312852040b3190a6cb7d7c1f61fe95a5e930d8d)
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 arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7f100744749e4fe547dece3bb6557fae5f0a7252
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 7f100744749e4fe547dece3bb6557fae5f0a7252
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from drivers/pci/controller/dwc/pcie-tegra194.c:25:
In file included from include/linux/pci-acpi.h:12:
In file included from include/linux/acpi.h:35:
In file included from include/acpi/acpi_io.h:7:
In file included from arch/arm64/include/asm/acpi.h:12:
include/linux/efi.h:1093:34: warning: passing 1-byte aligned argument to 4-byte aligned parameter 2 of 'get_var' may result in an unaligned pointer access [-Walign-mismatch]
status = get_var(L"SecureBoot", &EFI_GLOBAL_VARIABLE_GUID, NULL, &size,
^
include/linux/efi.h:1101:24: warning: passing 1-byte aligned argument to 4-byte aligned parameter 2 of 'get_var' may result in an unaligned pointer access [-Walign-mismatch]
get_var(L"SetupMode", &EFI_GLOBAL_VARIABLE_GUID, NULL, &size, &setupmode);
^
>> drivers/pci/controller/dwc/pcie-tegra194.c:243:27: warning: unused variable 'pcie_gen_freq' [-Wunused-const-variable]
static const unsigned int pcie_gen_freq[] = {
^
drivers/pci/controller/dwc/pcie-tegra194.c:250:18: warning: unused variable 'event_cntr_ctrl_offset' [-Wunused-const-variable]
static const u32 event_cntr_ctrl_offset[] = {
^
drivers/pci/controller/dwc/pcie-tegra194.c:259:18: warning: unused variable 'event_cntr_data_offset' [-Wunused-const-variable]
static const u32 event_cntr_data_offset[] = {
^
5 warnings generated.
vim +/pcie_gen_freq +243 drivers/pci/controller/dwc/pcie-tegra194.c
c57247f940e8ea Vidya Sagar 2020-03-03 242
56e15a238d9278 Vidya Sagar 2019-08-13 @243 static const unsigned int pcie_gen_freq[] = {
56e15a238d9278 Vidya Sagar 2019-08-13 244 GEN1_CORE_CLK_FREQ,
56e15a238d9278 Vidya Sagar 2019-08-13 245 GEN2_CORE_CLK_FREQ,
56e15a238d9278 Vidya Sagar 2019-08-13 246 GEN3_CORE_CLK_FREQ,
56e15a238d9278 Vidya Sagar 2019-08-13 247 GEN4_CORE_CLK_FREQ
56e15a238d9278 Vidya Sagar 2019-08-13 248 };
56e15a238d9278 Vidya Sagar 2019-08-13 249
:::::: The code at line 243 was first introduced by commit
:::::: 56e15a238d92788a2d09e0c5c26a5de1b3156931 PCI: tegra: Add Tegra194 PCIe support
:::::: TO: Vidya Sagar <vidyas@nvidia.com>
:::::: CC: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next reply other threads:[~2021-05-08 20:03 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-08 20:03 kernel test robot [this message]
2021-05-08 20:03 ` drivers/pci/controller/dwc/pcie-tegra194.c:243:27: warning: unused variable 'pcie_gen_freq' kernel test robot
-- strict thread matches above, loose matches on Subject: below --
2021-05-07 16:33 kernel test robot
2021-05-07 16:33 ` kernel test robot
2021-05-07 17:50 ` Bjorn Helgaas
2021-05-07 17:50 ` Bjorn Helgaas
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