* [linux-next:master 5692/6912] drivers/clk/qcom/gcc-sa8775p.c:313:32: warning: unused variable 'gcc_parent_map_10'
@ 2023-01-22 23:23 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-01-22 23:23 UTC (permalink / raw)
To: Shazad Hussain
Cc: llvm, oe-kbuild-all, Linux Memory Management List,
Bjorn Andersson, Bartosz Golaszewski, Konrad Dybcio
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: d514392f17fd4d386cfadde7f849d97db4ca1fb0
commit: 08c51ceb12f7ce2252513a38ad8a8ed26103a4e2 [5692/6912] clk: qcom: add the GCC driver for sa8775p
config: riscv-randconfig-c006-20230122 (https://download.01.org/0day-ci/archive/20230123/202301230743.Xnut0Zvc-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 4196ca3278f78c6e19246e54ab0ecb364e37d66a)
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 riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=08c51ceb12f7ce2252513a38ad8a8ed26103a4e2
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout 08c51ceb12f7ce2252513a38ad8a8ed26103a4e2
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/clk/qcom/ drivers/media/platform/verisilicon/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
In file included from drivers/clk/qcom/gcc-sa8775p.c:14:
In file included from include/linux/regmap.h:20:
In file included from include/linux/iopoll.h:14:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
^
In file included from drivers/clk/qcom/gcc-sa8775p.c:14:
In file included from include/linux/regmap.h:20:
In file included from include/linux/iopoll.h:14:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:743:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
insb(addr, buffer, count);
^~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:104:53: note: expanded from macro 'insb'
#define insb(addr, buffer, count) __insb(PCI_IOBASE + (addr), buffer, count)
~~~~~~~~~~ ^
In file included from drivers/clk/qcom/gcc-sa8775p.c:14:
In file included from include/linux/regmap.h:20:
In file included from include/linux/iopoll.h:14:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:751:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
insw(addr, buffer, count);
^~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:105:53: note: expanded from macro 'insw'
#define insw(addr, buffer, count) __insw(PCI_IOBASE + (addr), buffer, count)
~~~~~~~~~~ ^
In file included from drivers/clk/qcom/gcc-sa8775p.c:14:
In file included from include/linux/regmap.h:20:
In file included from include/linux/iopoll.h:14:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:759:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
insl(addr, buffer, count);
^~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:106:53: note: expanded from macro 'insl'
#define insl(addr, buffer, count) __insl(PCI_IOBASE + (addr), buffer, count)
~~~~~~~~~~ ^
In file included from drivers/clk/qcom/gcc-sa8775p.c:14:
In file included from include/linux/regmap.h:20:
In file included from include/linux/iopoll.h:14:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:768:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
outsb(addr, buffer, count);
^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:118:55: note: expanded from macro 'outsb'
#define outsb(addr, buffer, count) __outsb(PCI_IOBASE + (addr), buffer, count)
~~~~~~~~~~ ^
In file included from drivers/clk/qcom/gcc-sa8775p.c:14:
In file included from include/linux/regmap.h:20:
In file included from include/linux/iopoll.h:14:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:777:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
outsw(addr, buffer, count);
^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:119:55: note: expanded from macro 'outsw'
#define outsw(addr, buffer, count) __outsw(PCI_IOBASE + (addr), buffer, count)
~~~~~~~~~~ ^
In file included from drivers/clk/qcom/gcc-sa8775p.c:14:
In file included from include/linux/regmap.h:20:
In file included from include/linux/iopoll.h:14:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:786:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
outsl(addr, buffer, count);
^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:120:55: note: expanded from macro 'outsl'
#define outsl(addr, buffer, count) __outsl(PCI_IOBASE + (addr), buffer, count)
~~~~~~~~~~ ^
In file included from drivers/clk/qcom/gcc-sa8775p.c:14:
In file included from include/linux/regmap.h:20:
In file included from include/linux/iopoll.h:14:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:1134:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
~~~~~~~~~~ ^
>> drivers/clk/qcom/gcc-sa8775p.c:313:32: warning: unused variable 'gcc_parent_map_10' [-Wunused-const-variable]
static const struct parent_map gcc_parent_map_10[] = {
^
>> drivers/clk/qcom/gcc-sa8775p.c:318:37: warning: unused variable 'gcc_parent_data_10' [-Wunused-const-variable]
static const struct clk_parent_data gcc_parent_data_10[] = {
^
>> drivers/clk/qcom/gcc-sa8775p.c:333:32: warning: unused variable 'gcc_parent_map_12' [-Wunused-const-variable]
static const struct parent_map gcc_parent_map_12[] = {
^
>> drivers/clk/qcom/gcc-sa8775p.c:338:37: warning: unused variable 'gcc_parent_data_12' [-Wunused-const-variable]
static const struct clk_parent_data gcc_parent_data_12[] = {
^
17 warnings generated.
vim +/gcc_parent_map_10 +313 drivers/clk/qcom/gcc-sa8775p.c
312
> 313 static const struct parent_map gcc_parent_map_10[] = {
314 { P_PCIE_0_PIPE_CLK, 0 },
315 { P_BI_TCXO, 2 },
316 };
317
> 318 static const struct clk_parent_data gcc_parent_data_10[] = {
319 { .index = DT_PCIE_0_PIPE_CLK },
320 { .index = DT_BI_TCXO },
321 };
322
323 static const struct parent_map gcc_parent_map_11[] = {
324 { P_PCIE_PHY_AUX_CLK, 1 },
325 { P_BI_TCXO, 2 },
326 };
327
328 static const struct clk_parent_data gcc_parent_data_11[] = {
329 { .index = DT_PCIE_PHY_AUX_CLK },
330 { .index = DT_BI_TCXO },
331 };
332
> 333 static const struct parent_map gcc_parent_map_12[] = {
334 { P_PCIE_1_PIPE_CLK, 0 },
335 { P_BI_TCXO, 2 },
336 };
337
> 338 static const struct clk_parent_data gcc_parent_data_12[] = {
339 { .index = DT_PCIE_1_PIPE_CLK },
340 { .index = DT_BI_TCXO },
341 };
342
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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