Re: [PATCH v3 17/17] media: rzg2l-cru: Add support for RZ/G3E SoC

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Hi Tommaso,

kernel test robot noticed the following build warnings:

[auto build test WARNING on robh/for-next]
[also build test WARNING on linus/master v6.14-rc4 next-20250227]
[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/Tommaso-Merciai/media-dt-bindings-renesas-rzg2l-csi2-Document-Renesas-RZ-V2H-P-SoC/20250226-233919
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20250226152418.1132337-18-tommaso.merciai.xr%40bp.renesas.com
patch subject: [PATCH v3 17/17] media: rzg2l-cru: Add support for RZ/G3E SoC
config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20250228/202502280247.L8g0SOJE-lkp@xxxxxxxxx/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250228/202502280247.L8g0SOJE-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202502280247.L8g0SOJE-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c:685:66: warning: format specifies type 'unsigned long long' but the argument has type 'dma_addr_t' (aka 'unsigned int') [-Wformat]
     685 |         dev_err(cru->dev, "Invalid MB address 0x%llx (out of range)\n", amnmadrs);
         |                                                 ~~~~                    ^~~~~~~~
         |                                                 %x
   include/linux/dev_printk.h:154:65: note: expanded from macro 'dev_err'
     154 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                                ~~~     ^~~~~~~~~~~
   include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                              ~~~    ^~~~~~~~~~~
>> drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c:677:58: warning: shift count >= width of type [-Wshift-count-overflow]
     677 |         amnmadrs |= ((dma_addr_t)rzg2l_cru_read(cru, AMnMADRSH) << 32);
         |                                                                 ^  ~~
   2 warnings generated.


vim +685 drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c

   664	
   665	static int rzg3e_cru_get_current_slot(struct rzg2l_cru_dev *cru)
   666	{
   667		dma_addr_t amnmadrs;
   668		unsigned int slot;
   669	
   670		/*
   671		 * When AMnMADRSL is read, AMnMADRSH of the higher-order
   672		 * address also latches the address.
   673		 *
   674		 * AMnMADRSH must be read after AMnMADRSL has been read.
   675		 */
   676		amnmadrs = rzg2l_cru_read(cru, AMnMADRSL);
 > 677		amnmadrs |= ((dma_addr_t)rzg2l_cru_read(cru, AMnMADRSH) << 32);
   678	
   679		/* Ensure amnmadrs is within this buffer range */
   680		for (slot = 0; slot < cru->num_buf; slot++)
   681			if (amnmadrs >= cru->buf_addr[slot] &&
   682			    amnmadrs < cru->buf_addr[slot] + cru->format.sizeimage)
   683				return slot;
   684	
 > 685		dev_err(cru->dev, "Invalid MB address 0x%llx (out of range)\n", amnmadrs);
   686		return -EINVAL;
   687	}
   688	

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




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