Re: [PATCH] ata: Allow drivers to build if COMPILE_TEST is enabled

[kbuild test robot]

Hi Javier,

[auto build test WARNING on tj-libata/for-next -- if it's inappropriate base, please suggest rules for selecting the more suitable base]

url:    https://github.com/0day-ci/linux/commits/Javier-Martinez-Canillas/ata-Allow-drivers-to-build-if-COMPILE_TEST-is-enabled/20151013-214138
config: sparc64-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=sparc64 

All warnings (new ones prefixed by >>):

   drivers/ata/sata_dwc_460ex.c: In function 'dma_dwc_xfer_setup':
>> drivers/ata/sata_dwc_460ex.c:308:20: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     dma_addr_t addr = (dma_addr_t)&hsdev->sata_dwc_regs->dmadr;
                       ^

vim +308 drivers/ata/sata_dwc_460ex.c

8b344485 Andy Shevchenko 2015-03-03  292  	if (hsdevp->dma_pending[tag] == SATA_DWC_DMA_PENDING_NONE) {
8b344485 Andy Shevchenko 2015-03-03  293  		dev_err(ap->dev, "DMA not pending tag=0x%02x pending=%d\n",
8b344485 Andy Shevchenko 2015-03-03  294  			tag, hsdevp->dma_pending[tag]);
62936009 Rupjyoti Sarmah 2010-07-06  295  	}
62936009 Rupjyoti Sarmah 2010-07-06  296  
8b344485 Andy Shevchenko 2015-03-03  297  	if ((hsdevp->dma_interrupt_count % 2) == 0)
62936009 Rupjyoti Sarmah 2010-07-06  298  		sata_dwc_dma_xfer_complete(ap, 1);
62936009 Rupjyoti Sarmah 2010-07-06  299  
62936009 Rupjyoti Sarmah 2010-07-06  300  	spin_unlock_irqrestore(&host->lock, flags);
62936009 Rupjyoti Sarmah 2010-07-06  301  }
62936009 Rupjyoti Sarmah 2010-07-06  302  
8b344485 Andy Shevchenko 2015-03-03  303  static struct dma_async_tx_descriptor *dma_dwc_xfer_setup(struct ata_queued_cmd *qc)
62936009 Rupjyoti Sarmah 2010-07-06  304  {
8b344485 Andy Shevchenko 2015-03-03  305  	struct ata_port *ap = qc->ap;
8b344485 Andy Shevchenko 2015-03-03  306  	struct sata_dwc_device_port *hsdevp = HSDEVP_FROM_AP(ap);
8b344485 Andy Shevchenko 2015-03-03  307  	struct sata_dwc_device *hsdev = HSDEV_FROM_AP(ap);
8b344485 Andy Shevchenko 2015-03-03 @308  	dma_addr_t addr = (dma_addr_t)&hsdev->sata_dwc_regs->dmadr;
8b344485 Andy Shevchenko 2015-03-03  309  	struct dma_slave_config sconf;
8b344485 Andy Shevchenko 2015-03-03  310  	struct dma_async_tx_descriptor *desc;
62936009 Rupjyoti Sarmah 2010-07-06  311  
8b344485 Andy Shevchenko 2015-03-03  312  	if (qc->dma_dir == DMA_DEV_TO_MEM) {
8b344485 Andy Shevchenko 2015-03-03  313  		sconf.src_addr = addr;
8b344485 Andy Shevchenko 2015-03-03  314  		sconf.device_fc = true;
8b344485 Andy Shevchenko 2015-03-03  315  	} else {	/* DMA_MEM_TO_DEV */
8b344485 Andy Shevchenko 2015-03-03  316  		sconf.dst_addr = addr;

:::::: The code at line 308 was first introduced by commit
:::::: 8b3444852a2b58129ee68a8dd69fef81ceb902a1 sata_dwc_460ex: move to generic DMA driver

:::::: TO: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
:::::: CC: Tejun Heo <tj@xxxxxxxxxx>

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0-DAY kernel test infrastructure                Open Source Technology Center
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