Re: [hch-misc:dma-ranges.3 25/25] include/linux/dma-direct.h:82:38: error: use of undeclared identifier 'dma_addr'; did you mean

[Christoph Hellwig <hch@lst.de>]

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Oops, this was a mis-merge that I incorrectly commited.

On Tue, Sep 15, 2020 at 01:34:50AM +0800, kernel test robot wrote:
> tree:   git://git.infradead.org/users/hch/misc.git dma-ranges.3
> head:   e65920d7e325dcfaa9c560553c007cddfa199868
> commit: e65920d7e325dcfaa9c560553c007cddfa199868 [25/25] dma-mapping: introduce DMA range map, supplanting dma_pfn_offset
> config: arm64-randconfig-r024-20200914 (attached as .config)
> compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project b2c32c90bab09a6e2c1f370429db26017a182143)
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # install arm64 cross compiling tool for clang build
>         # apt-get install binutils-aarch64-linux-gnu
>         git checkout e65920d7e325dcfaa9c560553c007cddfa199868
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
> 
> All error/warnings (new ones prefixed by >>):
> 
>    In file included from arch/arm64/mm/init.c:23:
> >> include/linux/dma-direct.h:82:38: error: use of undeclared identifier 'dma_addr'; did you mean 'dev_addr'?
>                    paddr = translate_dma_to_phys(dev, dma_addr);
>                                                       ^~~~~~~~
>                                                       dev_addr
>    include/linux/dma-direct.h:77:70: note: 'dev_addr' declared here
>    static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dev_addr)
>                                                                         ^
>    include/linux/dma-direct.h:84:11: error: use of undeclared identifier 'dma_addr'; did you mean 'dev_addr'?
>                    paddr = dma_addr;
>                            ^~~~~~~~
>                            dev_addr
>    include/linux/dma-direct.h:77:70: note: 'dev_addr' declared here
>    static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dev_addr)
>                                                                         ^
>    2 errors generated.
> --
>    In file included from kernel/dma/direct.c:10:
> >> include/linux/dma-direct.h:82:38: error: use of undeclared identifier 'dma_addr'; did you mean 'dev_addr'?
>                    paddr = translate_dma_to_phys(dev, dma_addr);
>                                                       ^~~~~~~~
>                                                       dev_addr
>    include/linux/dma-direct.h:77:70: note: 'dev_addr' declared here
>    static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dev_addr)
>                                                                         ^
>    include/linux/dma-direct.h:84:11: error: use of undeclared identifier 'dma_addr'; did you mean 'dev_addr'?
>                    paddr = dma_addr;
>                            ^~~~~~~~
>                            dev_addr
>    include/linux/dma-direct.h:77:70: note: 'dev_addr' declared here
>    static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dev_addr)
>                                                                         ^
> >> kernel/dma/direct.c:135:20: warning: shift count >= width of type [-Wshift-count-overflow]
>                        phys_limit < DMA_BIT_MASK(64) &&
>                                     ^~~~~~~~~~~~~~~~
>    include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK'
>    #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
>                                                         ^ ~~~
>    1 warning and 2 errors generated.
> --
>    In file included from kernel/dma/swiotlb.c:24:
> >> include/linux/dma-direct.h:82:38: error: use of undeclared identifier 'dma_addr'; did you mean 'dev_addr'?
>                    paddr = translate_dma_to_phys(dev, dma_addr);
>                                                       ^~~~~~~~
>                                                       dev_addr
>    include/linux/dma-direct.h:77:70: note: 'dev_addr' declared here
>    static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dev_addr)
>                                                                         ^
>    include/linux/dma-direct.h:84:11: error: use of undeclared identifier 'dma_addr'; did you mean 'dev_addr'?
>                    paddr = dma_addr;
>                            ^~~~~~~~
>                            dev_addr
>    include/linux/dma-direct.h:77:70: note: 'dev_addr' declared here
>    static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dev_addr)
>                                                                         ^
>    kernel/dma/swiotlb.c:278:1: warning: no previous prototype for function 'swiotlb_late_init_with_default_size' [-Wmissing-prototypes]
>    swiotlb_late_init_with_default_size(size_t default_size)
>    ^
>    kernel/dma/swiotlb.c:277:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
>    int
>    ^
>    static 
>    1 warning and 2 errors generated.
> 
> git remote add hch-misc git://git.infradead.org/users/hch/misc.git
> git fetch --no-tags hch-misc dma-ranges.3
> git checkout e65920d7e325dcfaa9c560553c007cddfa199868
> vim +82 include/linux/dma-direct.h
> 
>     76	
>     77	static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dev_addr)
>     78	{
>     79		phys_addr_t paddr;
>     80	
>     81		if (dev->dma_range_map)
>   > 82			paddr = translate_dma_to_phys(dev, dma_addr);
>     83		else
>     84			paddr = dma_addr;
>     85	
>     86		return __sme_clr(paddr);
>     87	}
>     88	#endif /* !CONFIG_ARCH_HAS_PHYS_TO_DMA */
>     89	
> 
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org


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