linux-kernel - Re: [PATCH 3/8] parisc: turn GET

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Message-ID: <201901150729.Tlb22JT2%fengguang.wu@intel.com>
Date:   Tue, 15 Jan 2019 07:32:28 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Christoph Hellwig <hch@....de>
Cc:     kbuild-all@...org, "James E.J. Bottomley" <jejb@...isc-linux.org>,
        Helge Deller <deller@....de>, linux-parisc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/8] parisc: turn GET_IOC into an inline function

Hi Christoph,

I love your patch! Yet something to improve:

[auto build test ERROR on hp-parisc/for-next]
[also build test ERROR on v5.0-rc2 next-20190114]
[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/Christoph-Hellwig/parisc-don-t-include-asm-cacheflush-h-in-asm-dma-mapping-h/20190115-034634
base:   https://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git for-next
config: parisc-b180_defconfig (attached as .config)
compiler: hppa-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.2.0 make.cross ARCH=parisc 

All errors (new ones prefixed by >>):

   In file included from drivers/parisc/hppb.c:26:0:
   drivers/parisc/iommu.h: In function 'GET_IOC':
>> drivers/parisc/iommu.h:33:14: error: dereferencing pointer to incomplete type 'struct pci_hba_data'
     return pdata->iommu;
                 ^~

vim +33 drivers/parisc/iommu.h

    26	
    27	static inline struct ioc *GET_IOC(struct device *dev)
    28	{
    29		struct pci_hba_data *pdata = parisc_walk_tree(dev);
    30	
    31		if (!pdata)
    32			return NULL;
  > 33		return pdata->iommu;
    34	}
    35	

---
0-DAY kernel test infrastructure                Open Source Technology Center
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