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

[kernel test robot <lkp@intel.com>]

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: arm-randconfig-001-20250227 (https://download.01.org/0day-ci/archive/20250228/202502280652.KV7uk1gP-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250228/202502280652.KV7uk1gP-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202502280652.KV7uk1gP-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c: In function 'rzg3e_cru_get_current_slot':
>> drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c:677:65: warning: left shift count >= width of type [-Wshift-count-overflow]
     677 |         amnmadrs |= ((dma_addr_t)rzg2l_cru_read(cru, AMnMADRSH) << 32);
         |                                                                 ^~
   In file included from include/linux/device.h:15,
                    from include/linux/pm_runtime.h:11,
                    from drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c:16:
>> drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c:685:27: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 3 has type 'dma_addr_t' {aka 'unsigned int'} [-Wformat=]
     685 |         dev_err(cru->dev, "Invalid MB address 0x%llx (out of range)\n", amnmadrs);
         |                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap'
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                              ^~~
   include/linux/dev_printk.h:154:56: note: in expansion of macro 'dev_fmt'
     154 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c:685:9: note: in expansion of macro 'dev_err'
     685 |         dev_err(cru->dev, "Invalid MB address 0x%llx (out of range)\n", amnmadrs);
         |         ^~~~~~~
   drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c:685:52: note: format string is defined here
     685 |         dev_err(cru->dev, "Invalid MB address 0x%llx (out of range)\n", amnmadrs);
         |                                                 ~~~^
         |                                                    |
         |                                                    long long unsigned int
         |                                                 %x


vim +677 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	

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