[radeon-alex:amd-staging-drm-next 61/816] sound/soc/amd/raven/acp3x.h:28:9: error: implicit declaration of function 'readl'

[kbuild test robot]

tree:   git://people.freedesktop.org/~agd5f/linux.git amd-staging-drm-next
head:   f1d227e3e7d367350633a49e99cdaf72d2ff5c34
commit: 1f5f2691ef56d0d2eda46e03539efe2003633e8e [61/816] ASoC: AMD: enable ACP3x drivers build
config: sparc-allyesconfig (attached as .config)
compiler: sparc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 1f5f2691ef56d0d2eda46e03539efe2003633e8e
        # save the attached .config to linux build tree
        make.cross ARCH=sparc 

All errors (new ones prefixed by >>):

   In file included from sound/soc/amd/raven/acp3x-pcm-dma.c:26:0:
   sound/soc/amd/raven/acp3x.h: In function 'rv_readl':
>> sound/soc/amd/raven/acp3x.h:28:9: error: implicit declaration of function 'readl' [-Werror=implicit-function-declaration]
     return readl(base_addr - ACP3x_PHY_BASE_ADDRESS);
            ^~~~~
   sound/soc/amd/raven/acp3x.h: In function 'rv_writel':
>> sound/soc/amd/raven/acp3x.h:33:2: error: implicit declaration of function 'writel' [-Werror=implicit-function-declaration]
     writel(val, base_addr - ACP3x_PHY_BASE_ADDRESS);
     ^~~~~~
   sound/soc/amd/raven/acp3x-pcm-dma.c: In function 'acp3x_audio_probe':
>> sound/soc/amd/raven/acp3x-pcm-dma.c:638:22: error: implicit declaration of function 'devm_ioremap' [-Werror=implicit-function-declaration]
     adata->acp3x_base = devm_ioremap(&pdev->dev, res->start,
                         ^~~~~~~~~~~~
   sound/soc/amd/raven/acp3x-pcm-dma.c:638:20: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
     adata->acp3x_base = devm_ioremap(&pdev->dev, res->start,
                       ^
   cc1: some warnings being treated as errors

vim +/readl +28 sound/soc/amd/raven/acp3x.h

b835e6cf Maruthi Srinivas Bayyavarapu 2017-03-27  25  
b835e6cf Maruthi Srinivas Bayyavarapu 2017-03-27  26  static inline u32 rv_readl(void __iomem *base_addr)
b835e6cf Maruthi Srinivas Bayyavarapu 2017-03-27  27  {
b835e6cf Maruthi Srinivas Bayyavarapu 2017-03-27 @28  	return readl(base_addr - ACP3x_PHY_BASE_ADDRESS);
b835e6cf Maruthi Srinivas Bayyavarapu 2017-03-27  29  }
b835e6cf Maruthi Srinivas Bayyavarapu 2017-03-27  30  
b835e6cf Maruthi Srinivas Bayyavarapu 2017-03-27  31  static inline void rv_writel(u32 val, void __iomem *base_addr)
b835e6cf Maruthi Srinivas Bayyavarapu 2017-03-27  32  {
b835e6cf Maruthi Srinivas Bayyavarapu 2017-03-27 @33  	writel(val, base_addr - ACP3x_PHY_BASE_ADDRESS);

:::::: The code at line 28 was first introduced by commit
:::::: b835e6cfc3fa2eafeaa7cf3ba43cdf01d4b1f904 ASoC: AMD: add ACP3.0 PCI driver

:::::: TO: Maruthi Srinivas Bayyavarapu <Maruthi.Bayyavarapu at amd.com>
:::::: CC: Alex Deucher <alexander.deucher at amd.com>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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