Hi Jayshri, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on spi/for-next] [also build test WARNING on v5.10-rc7 next-20201208] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Jayshri-Pawar/Driver-for-Cadence-xSPI-flash-controller/20201209-160406 base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next config: sparc-allyesconfig (attached as .config) compiler: sparc64-linux-gcc (GCC) 9.3.0 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/0day-ci/linux/commit/5b258ff21564ca007e3b54d865c3cfb9851ed00a git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jayshri-Pawar/Driver-for-Cadence-xSPI-flash-controller/20201209-160406 git checkout 5b258ff21564ca007e3b54d865c3cfb9851ed00a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc 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 arch/sparc/include/asm/io.h:5, from include/linux/io.h:13, from drivers/spi/spi-cadence-xspi.c:15: drivers/spi/spi-cadence-xspi.c: In function 'cdns_xspi_send_stig_command': >> arch/sparc/include/asm/io_64.h:179:2: warning: '*((void *)&cmd_regs+20)' is used uninitialized in this function [-Wuninitialized] 179 | __asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_writel */" | ^~~~~~~ drivers/spi/spi-cadence-xspi.c:521:6: note: '*((void *)&cmd_regs+20)' was declared here 521 | u32 cmd_regs[5] = {0}; | ^~~~~~~~ vim +179 arch/sparc/include/asm/io_64.h f5e706ad886b6a5 include/asm-sparc/io_64.h Sam Ravnborg 2008-07-17 174 79294d7eff89f65 arch/sparc/include/asm/io_64.h Sam Ravnborg 2014-07-20 175 #define writel writel 7c3969c3a4f3593 arch/sparc/include/asm/io_64.h Arnd Bergmann 2014-11-19 176 #define writel_relaxed writel 79294d7eff89f65 arch/sparc/include/asm/io_64.h Sam Ravnborg 2014-07-20 177 static inline void writel(u32 l, volatile void __iomem *addr) f5e706ad886b6a5 include/asm-sparc/io_64.h Sam Ravnborg 2008-07-17 178 { f5e706ad886b6a5 include/asm-sparc/io_64.h Sam Ravnborg 2008-07-17 @179 __asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_writel */" f5e706ad886b6a5 include/asm-sparc/io_64.h Sam Ravnborg 2008-07-17 180 : /* no outputs */ f5e706ad886b6a5 include/asm-sparc/io_64.h Sam Ravnborg 2008-07-17 181 : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L) f5e706ad886b6a5 include/asm-sparc/io_64.h Sam Ravnborg 2008-07-17 182 : "memory"); f5e706ad886b6a5 include/asm-sparc/io_64.h Sam Ravnborg 2008-07-17 183 } f5e706ad886b6a5 include/asm-sparc/io_64.h Sam Ravnborg 2008-07-17 184 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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