Re: [PATCH v2 RESEND] qtnfmac: announcement of new FullMAC driver for Quantenna chipsets

Hi,

[auto build test ERROR on wireless-drivers-next/master]
[also build test ERROR on v4.7-rc4 next-20160620]
[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/igor-mitsyanko-os-quantenna-com/qtnfmac-announcement-of-new-FullMAC-driver-for-Quantenna-chipsets/20160621-061419
base:   https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next.git master
config: m32r-allyesconfig (attached as .config)
compiler: m32r-linux-gcc (GCC) 4.9.0
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=m32r 

All errors (new ones prefixed by >>):

   In file included from drivers/net/wireless/quantenna/qtnfmac/core.c:23:0:
   drivers/net/wireless/quantenna/qtnfmac/pcie.h: In function 'align_buf_dma':

quoted

drivers/net/wireless/quantenna/qtnfmac/pcie.h:114:9: error: implicit declaration of function 'dma_get_cache_alignment' [-Werror=implicit-function-declaration]

            dma_get_cache_alignment());
            ^
   cc1: some warnings being treated as errors

vim +/dma_get_cache_alignment +114 drivers/net/wireless/quantenna/qtnfmac/pcie.h

   108	}
   109	
   110	static __always_inline void *
   111	align_buf_dma(void *addr)
   112	{
   113		return (void *)align_val_up((unsigned long)addr,
 > 114					    dma_get_cache_alignment());
   115	}
   116	
   117	static __always_inline unsigned long

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