Messages in this thread | | | Date | Thu, 11 May 2023 13:56:58 +0800 | From | kernel test robot <> | Subject | drivers/clk/pxa/clk-pxa3xx.c:167:9: sparse: sparse: Using plain integer as NULL pointer |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 80e62bc8487b049696e67ad133c503bf7f6806f7 commit: 3c816d950a494ae6e16b1fa017af29bc53cb7791 ARM: pxa: move clk register definitions to driver date: 1 year ago config: arm-randconfig-s053-20230511 (https://download.01.org/0day-ci/archive/20230511/202305111301.RAHohdob-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c816d950a494ae6e16b1fa017af29bc53cb7791 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 3c816d950a494ae6e16b1fa017af29bc53cb7791 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash arch/arm/mach-lpc32xx/ arch/arm/mach-orion5x/ arch/arm/mach-spear/ arch/arm/mm/ drivers/clk/pxa/ drivers/irqchip/
If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@intel.com> | Link: https://lore.kernel.org/oe-kbuild-all/202305111301.RAHohdob-lkp@intel.com/
sparse warnings: (new ones prefixed by >>) >> drivers/clk/pxa/clk-pxa3xx.c:167:9: sparse: sparse: Using plain integer as NULL pointer
vim +167 drivers/clk/pxa/clk-pxa3xx.c
159 160 void pxa3xx_clk_update_accr(u32 disable, u32 enable, u32 xclkcfg, u32 mask) 161 { 162 u32 accr = readl(clk_regs + ACCR); 163 164 accr &= ~disable; 165 accr |= enable; 166 > 167 writel(accr, ACCR); 168 if (xclkcfg) 169 __asm__("mcr p14, 0, %0, c6, c0, 0\n" : : "r"(xclkcfg)); 170 171 while ((readl(clk_regs + ACSR) & mask) != (accr & mask)) 172 cpu_relax(); 173 } 174
-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
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