[next:master 2145/2346] drivers/base/dma-mapping.c:294:2: error: implicit declaration of function 'dma_common_pages_remap'

[next:master 2145/2346] drivers/base/dma-mapping.c:294:2: error: implicit declaration of function 'dma_common_pages_remap'

[kbuild test robot]

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   1c9e4561f3b2afffcda007eae9d0ddd25525f50e
commit: fa44abcad042144651fa9cd0f698c7c40a59d60f [2145/2346] common: dma-mapping: introduce common remapping functions
config: make ARCH=mn10300 asb2364_defconfig

All error/warnings:

   drivers/base/dma-mapping.c: In function 'dma_common_contiguous_remap':
>> drivers/base/dma-mapping.c:294:2: error: implicit declaration of function 'dma_common_pages_remap' [-Werror=implicit-function-declaration]
     ptr = dma_common_pages_remap(pages, size, vm_flags, prot, caller);
     ^
>> drivers/base/dma-mapping.c:294:6: warning: assignment makes pointer from integer without a cast
     ptr = dma_common_pages_remap(pages, size, vm_flags, prot, caller);
         ^
   drivers/base/dma-mapping.c: At top level:
>> drivers/base/dma-mapping.c:305:7: error: conflicting types for 'dma_common_pages_remap'
    void *dma_common_pages_remap(struct page **pages, size_t size,
          ^
   drivers/base/dma-mapping.c:294:8: note: previous implicit declaration of 'dma_common_pages_remap' was here
     ptr = dma_common_pages_remap(pages, size, vm_flags, prot, caller);
           ^
   cc1: some warnings being treated as errors

vim +/dma_common_pages_remap +294 drivers/base/dma-mapping.c

   288		if (!pages)
   289			return NULL;
   290	
   291		for (i = 0, pfn = page_to_pfn(page); i < (size >> PAGE_SHIFT); i++)
   292			pages[i] = pfn_to_page(pfn + i);
   293	
 > 294		ptr = dma_common_pages_remap(pages, size, vm_flags, prot, caller);
   295	
   296		kfree(pages);
   297	
   298		return ptr;
   299	}
   300	
   301	/*
   302	 * remaps an array of PAGE_SIZE pages into another vm_area
   303	 * Cannot be used in non-sleeping contexts
   304	 */
 > 305	void *dma_common_pages_remap(struct page **pages, size_t size,
   306				unsigned long vm_flags, pgprot_t prot,
   307				const void *caller)
   308	{

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Re: [next:master 2145/2346] drivers/base/dma-mapping.c:294:2: error: implicit declaration of function 'dma_common_pages_remap'

[Laura Abbott]

On 8/26/2014 6:18 AM, kbuild test robot wrote:
> tree:   git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> head:   1c9e4561f3b2afffcda007eae9d0ddd25525f50e
> commit: fa44abcad042144651fa9cd0f698c7c40a59d60f [2145/2346] common: dma-mapping: introduce common remapping functions
> config: make ARCH=mn10300 asb2364_defconfig
> 
> All error/warnings:
> 
>    drivers/base/dma-mapping.c: In function 'dma_common_contiguous_remap':
>>> drivers/base/dma-mapping.c:294:2: error: implicit declaration of function 'dma_common_pages_remap' [-Werror=implicit-function-declaration]
>      ptr = dma_common_pages_remap(pages, size, vm_flags, prot, caller);
>      ^
>>> drivers/base/dma-mapping.c:294:6: warning: assignment makes pointer from integer without a cast
>      ptr = dma_common_pages_remap(pages, size, vm_flags, prot, caller);
>          ^
>    drivers/base/dma-mapping.c: At top level:
>>> drivers/base/dma-mapping.c:305:7: error: conflicting types for 'dma_common_pages_remap'
>     void *dma_common_pages_remap(struct page **pages, size_t size,
>           ^
>    drivers/base/dma-mapping.c:294:8: note: previous implicit declaration of 'dma_common_pages_remap' was here
>      ptr = dma_common_pages_remap(pages, size, vm_flags, prot, caller);
>            ^
>    cc1: some warnings being treated as errors
> 
> vim +/dma_common_pages_remap +294 drivers/base/dma-mapping.c
> 
>    288		if (!pages)
>    289			return NULL;
>    290	
>    291		for (i = 0, pfn = page_to_pfn(page); i < (size >> PAGE_SHIFT); i++)
>    292			pages[i] = pfn_to_page(pfn + i);
>    293	
>  > 294		ptr = dma_common_pages_remap(pages, size, vm_flags, prot, caller);
>    295	
>    296		kfree(pages);
>    297	
>    298		return ptr;
>    299	}
>    300	
>    301	/*
>    302	 * remaps an array of PAGE_SIZE pages into another vm_area
>    303	 * Cannot be used in non-sleeping contexts
>    304	 */
>  > 305	void *dma_common_pages_remap(struct page **pages, size_t size,
>    306				unsigned long vm_flags, pgprot_t prot,
>    307				const void *caller)
>    308	{
> 

I think this should work

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