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SubjectRe: [PATCH v2 2/3] Added Xilinx XDMA IP core driver
Hi,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on vkoul-dmaengine/next]
[also build test WARNING on linus/master v6.0-rc6 next-20220919]
[cannot apply to media-tree/master xilinx-xlnx/master]
[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#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/tumic-gpxsee-org/Digiteq-Automotive-MGB4-driver/20220920-021718
base: https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git next
config: s390-allyesconfig (https://download.01.org/0day-ci/archive/20220920/202209201009.KI4tLr7u-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/ad840c5e2b9ee9a8b1ceb4879fe7f82edcc767c5
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review tumic-gpxsee-org/Digiteq-Automotive-MGB4-driver/20220920-021718
git checkout ad840c5e2b9ee9a8b1ceb4879fe7f82edcc767c5
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash drivers/dma/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 >>):

drivers/dma/xilinx/xilinx_xdma.c: In function 'read_interrupts':
>> drivers/dma/xilinx/xilinx_xdma.c:409:17: warning: variable 'hi' set but not used [-Wunused-but-set-variable]
409 | u32 lo, hi;
| ^~
>> drivers/dma/xilinx/xilinx_xdma.c:409:13: warning: variable 'lo' set but not used [-Wunused-but-set-variable]
409 | u32 lo, hi;
| ^~


vim +/hi +409 drivers/dma/xilinx/xilinx_xdma.c

404
405 static void read_interrupts(struct xdma_dev *xdev)
406 {
407 struct interrupt_regs *reg =
408 (struct interrupt_regs *)(xdev->config_bar + XDMA_OFS_INT_CTRL);
> 409 u32 lo, hi;
410
411 hi = ioread32(&reg->user_int_request);
412 lo = ioread32(&reg->channel_int_request);
413 }
414

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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