drivers/pci/controller/dwc/pcie-tegra194.c:243:27: warning: unused variable 'pcie_gen_freq'
From: kernel test robot
Date: Fri May 07 2021 - 12:34:12 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: a48b0872e69428d3d02994dcfad3519f01def7fa
commit: 7f100744749e4fe547dece3bb6557fae5f0a7252 PCI: tegra: Add Tegra194 MCFG quirks for ECAM errata
date: 3 weeks ago
config: arm64-randconfig-r013-20210507 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project a3a8a1a15b524d91b5308db68e9d293b34cd88dd)
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@xxxxxxxxx>
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@xxxxxxxxxx>
:::::: CC: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
Attachment:
.config.gz
Description: application/gzip