Hi Chris,

[auto build test WARNING on rockchip/for-next -- if it's inappropriate base, 
please ignore]

config: alpha-allmodconfig (attached as .config)
reproduce:
        wget 
https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross
 -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=alpha 

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/bridge/dw_mipi_dsi.c: In function 
'dw_mipi_dsi_dcs_short_write':
>> drivers/gpu/drm/bridge/dw_mipi_dsi.c:525:4: warning: format '%d' expects 
>> argument of type 'int', but argument 3 has type 'size_t' [-Wformat=]
       msg->tx_len);
       ^
   drivers/gpu/drm/bridge/dw_mipi_dsi.c: In function 
'dw_mipi_dsi_dcs_long_write':
   drivers/gpu/drm/bridge/dw_mipi_dsi.c:542:4: warning: format '%d' expects 
argument of type 'int', but argument 3 has type 'size_t' [-Wformat=]
       msg->tx_len);
       ^

vim +525 drivers/gpu/drm/bridge/dw_mipi_dsi.c

   509          if (ret < 0) {
   510                  dev_err(dsi->dev, "failed to write command FIFO\n");
   511                  return ret;
   512          }
   513  
   514          return 0;
   515  }
   516  
   517  static int dw_mipi_dsi_dcs_short_write(struct dw_mipi_dsi *dsi,
   518                                         const struct mipi_dsi_msg *msg)
   519  {
   520          const u16 *tx_buf = msg->tx_buf;
   521          u32 val = GEN_HDATA(*tx_buf) | GEN_HTYPE(msg->type);
   522  
   523          if (msg->tx_len > 2) {
   524                  dev_err(dsi->dev, "too long tx buf length %d for short 
write\n",
 > 525                          msg->tx_len);
   526                  return -EINVAL;
   527          }
   528  
   529          return dw_mipi_dsi_gen_pkt_hdr_write(dsi, val);
   530  }
   531  
   532  static int dw_mipi_dsi_dcs_long_write(struct dw_mipi_dsi *dsi,
   533                                        const struct mipi_dsi_msg *msg)

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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