Re: [PATCH v2 2/4] dmaengine: sun6i: Do not use virt_to_phys

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Hi Samuel,

I love your patch! Perhaps something to improve:

[auto build test WARNING on vkoul-dmaengine/next]
[also build test WARNING on sunxi/sunxi/for-next v5.18-rc2 next-20220411]
[cannot apply to mripard/sunxi/for-next]
[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/intel-lab-lkp/linux/commits/Samuel-Holland/dmaengine-sun6i-Allwinner-D1-support/20220411-124826
base:   https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git next
config: microblaze-buildonly-randconfig-r004-20220411 (https://download.01.org/0day-ci/archive/20220411/202204111614.kGz2adbh-lkp@xxxxxxxxx/config)
compiler: microblaze-linux-gcc (GCC) 11.2.0
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/280420721fd264a03a3d3f9fbe2b4e6bfddd0f79
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Samuel-Holland/dmaengine-sun6i-Allwinner-D1-support/20220411-124826
        git checkout 280420721fd264a03a3d3f9fbe2b4e6bfddd0f79
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=microblaze SHELL=/bin/bash drivers/dma/

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 include/linux/device.h:15,
                    from include/linux/dmaengine.h:8,
                    from drivers/dma/sun6i-dma.c:12:
   drivers/dma/sun6i-dma.c: In function 'sun6i_dma_dump_chan_regs':
>> drivers/dma/sun6i-dma.c:244:34: warning: format '%lx' expects argument of type 'long unsigned int', but argument 5 has type 'int' [-Wformat=]
     244 |         dev_dbg(sdev->slave.dev, "Chan %d reg: 0x%lx\n"
         |                                  ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:129:41: note: in definition of macro 'dev_printk'
     129 |                 _dev_printk(level, dev, fmt, ##__VA_ARGS__);            \
         |                                         ^~~
   include/linux/dev_printk.h:163:45: note: in expansion of macro 'dev_fmt'
     163 |                 dev_printk(KERN_DEBUG, dev, dev_fmt(fmt), ##__VA_ARGS__); \
         |                                             ^~~~~~~
   drivers/dma/sun6i-dma.c:244:9: note: in expansion of macro 'dev_dbg'
     244 |         dev_dbg(sdev->slave.dev, "Chan %d reg: 0x%lx\n"
         |         ^~~~~~~
   drivers/dma/sun6i-dma.c:244:52: note: format string is defined here
     244 |         dev_dbg(sdev->slave.dev, "Chan %d reg: 0x%lx\n"
         |                                                  ~~^
         |                                                    |
         |                                                    long unsigned int
         |                                                  %x


vim +244 drivers/dma/sun6i-dma.c

   240	
   241	static inline void sun6i_dma_dump_chan_regs(struct sun6i_dma_dev *sdev,
   242						    struct sun6i_pchan *pchan)
   243	{
 > 244		dev_dbg(sdev->slave.dev, "Chan %d reg: 0x%lx\n"
   245			"\t___en(%04x): \t0x%08x\n"
   246			"\tpause(%04x): \t0x%08x\n"
   247			"\tstart(%04x): \t0x%08x\n"
   248			"\t__cfg(%04x): \t0x%08x\n"
   249			"\t__src(%04x): \t0x%08x\n"
   250			"\t__dst(%04x): \t0x%08x\n"
   251			"\tcount(%04x): \t0x%08x\n"
   252			"\t_para(%04x): \t0x%08x\n\n",
   253			pchan->idx, pchan->base - sdev->base,
   254			DMA_CHAN_ENABLE,
   255			readl(pchan->base + DMA_CHAN_ENABLE),
   256			DMA_CHAN_PAUSE,
   257			readl(pchan->base + DMA_CHAN_PAUSE),
   258			DMA_CHAN_LLI_ADDR,
   259			readl(pchan->base + DMA_CHAN_LLI_ADDR),
   260			DMA_CHAN_CUR_CFG,
   261			readl(pchan->base + DMA_CHAN_CUR_CFG),
   262			DMA_CHAN_CUR_SRC,
   263			readl(pchan->base + DMA_CHAN_CUR_SRC),
   264			DMA_CHAN_CUR_DST,
   265			readl(pchan->base + DMA_CHAN_CUR_DST),
   266			DMA_CHAN_CUR_CNT,
   267			readl(pchan->base + DMA_CHAN_CUR_CNT),
   268			DMA_CHAN_CUR_PARA,
   269			readl(pchan->base + DMA_CHAN_CUR_PARA));
   270	}
   271	

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



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