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From: kernel test robot <lkp@intel.com>
To: Nava kishore Manne <nava.manne@xilinx.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	linux-arm-kernel@lists.infradead.org,
	Michal Simek <monstr@monstr.eu>
Subject: [xilinx-xlnx:master 44/773] include/linux/firmware/xlnx-zynqmp.h:1200:12: warning: unused function 'zynqmp_pm_fpga_get_version'
Date: Fri, 20 Jan 2023 18:10:51 +0800	[thread overview]
Message-ID: <202301201814.jTM59R23-lkp@intel.com> (raw)

tree:   https://github.com/Xilinx/linux-xlnx master
head:   155ae9648df275d38841cfe45231ba0471baa1cb
commit: e9e49172adb71403be142bd6019caedb31059e62 [44/773] firmware: xilinx: Implemented pm API functions to get the xilfpga component info
config: hexagon-buildonly-randconfig-r004-20230119 (https://download.01.org/0day-ci/archive/20230120/202301201814.jTM59R23-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
        # https://github.com/Xilinx/linux-xlnx/commit/e9e49172adb71403be142bd6019caedb31059e62
        git remote add xilinx-xlnx https://github.com/Xilinx/linux-xlnx
        git fetch --no-tags xilinx-xlnx master
        git checkout e9e49172adb71403be142bd6019caedb31059e62
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/crypto/xilinx/

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 >>):

   In file included from drivers/crypto/xilinx/zynqmp-aes-gcm.c:11:
   In file included from include/crypto/scatterwalk.h:16:
   In file included from include/linux/highmem.h:12:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __raw_readb(PCI_IOBASE + addr);
                             ~~~~~~~~~~ ^
   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/crypto/xilinx/zynqmp-aes-gcm.c:11:
   In file included from include/crypto/scatterwalk.h:16:
   In file included from include/linux/highmem.h:12:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   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/crypto/xilinx/zynqmp-aes-gcm.c:11:
   In file included from include/crypto/scatterwalk.h:16:
   In file included from include/linux/highmem.h:12:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   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);
                                                         ~~~~~~~~~~ ^
   In file included from drivers/crypto/xilinx/zynqmp-aes-gcm.c:18:
   include/linux/firmware/xlnx-zynqmp.h:1151:12: warning: unused function 'zynqmp_pm_sec_read_reg' [-Wunused-function]
   static int zynqmp_pm_sec_read_reg(u32 node_id, u32 offset, u32 *ret_value)
              ^
   include/linux/firmware/xlnx-zynqmp.h:1156:12: warning: unused function 'zynqmp_pm_sec_mask_write_reg' [-Wunused-function]
   static int zynqmp_pm_sec_mask_write_reg(const u32 node_id, const u32 offset,
              ^
>> include/linux/firmware/xlnx-zynqmp.h:1200:12: warning: unused function 'zynqmp_pm_fpga_get_version' [-Wunused-function]
   static int zynqmp_pm_fpga_get_version(u32 *value)
              ^
>> include/linux/firmware/xlnx-zynqmp.h:1205:12: warning: unused function 'zynqmp_pm_fpga_get_feature_list' [-Wunused-function]
   static int zynqmp_pm_fpga_get_feature_list(u32 *value)
              ^
   10 warnings generated.


vim +/zynqmp_pm_fpga_get_version +1200 include/linux/firmware/xlnx-zynqmp.h

  1199	
> 1200	static int zynqmp_pm_fpga_get_version(u32 *value)
  1201	{
  1202		return -ENODEV;
  1203	}
  1204	
> 1205	static int zynqmp_pm_fpga_get_feature_list(u32 *value)
  1206	{
  1207		return -ENODEV;
  1208	}
  1209	#endif
  1210	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

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                 reply	other threads:[~2023-01-20 10:15 UTC|newest]

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