Hi,

[auto build test WARNING on tty/tty-testing]
[also build test WARNING on v4.7-rc3 next-20160617]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:    
https://github.com/0day-ci/linux/commits/Andy-Shevchenko/serial-8250-split-LPSS-to-8250_lpss-enable-DMA-on-Quark/20160617-204834
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git 
tty-testing
config: x86_64-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   drivers/tty/serial/8250/8250_lpss.c: In function 'qrk_serial_exit_dma':
>> drivers/tty/serial/8250/8250_lpss.c:202:2: warning: ISO C90 forbids mixed 
>> declarations and code [-Wdeclaration-after-statement]
     struct dw_dma_slave *param = &lpss->dma_param;
     ^~~~~~

vim +202 drivers/tty/serial/8250/8250_lpss.c

   186          /* Special DMA address for UART */
   187          dma->rx_dma_addr = 0xfffff000;
   188          dma->tx_dma_addr = 0xfffff000;
   189  
   190          param->dma_dev = &pdev->dev;
   191          param->src_id = 0;
   192          param->dst_id = 1;
   193          param->hs_polarity = true;
   194  
   195          lpss->dma_maxburst = 8;
   196          return 0;
   197  }
   198  
   199  static void qrk_serial_exit_dma(struct lpss8250 *lpss)
   200  {
   201          qrk_serial_exit_dma(lpss);
 > 202          struct dw_dma_slave *param = &lpss->dma_param;
   203  
   204          if (!param->dma_dev)
   205                  return;
   206          dw_dma_remove(&lpss->dma_chip);
   207  }
   208  #else   /* CONFIG_SERIAL_8250_DMA */
   209  static int qrk_serial_setup_dma(struct lpss8250 *lpss, struct uart_port 
*port)
   210  {

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

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