[radeon-alex:amd-staging-4.11 954/1085] sound/soc//amd/raven/acp3x-pcm-dma.c:246:3: error: implicit declaration of function 'page_to_phys'

[radeon-alex:amd-staging-4.11 954/1085] sound/soc//amd/raven/acp3x-pcm-dma.c:246:3: error: implicit declaration of function 'page_to_phys'

[kbuild test robot]

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tree:   git://people.freedesktop.org/~agd5f/linux.git amd-staging-4.11
head:   c285c73f2213f503a93aa142fff186e160b4a371
commit: abb115931046498039111820de7b6b578c4cce8d [954/1085] ASoC: AMD: enable ACP3x drivers build
config: tile-allmodconfig (attached as .config)
compiler: tilegx-linux-gcc (GCC) 4.6.2
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout abb115931046498039111820de7b6b578c4cce8d
        # save the attached .config to linux build tree
        make.cross ARCH=tile 

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:28:2: error: implicit declaration of function 'readl'
   sound/soc//amd/raven/acp3x.h: In function 'rv_writel':
   sound/soc//amd/raven/acp3x.h:33:2: error: implicit declaration of function 'writel'
   sound/soc//amd/raven/acp3x-pcm-dma.c: In function 'config_acp3x_dma':
>> sound/soc//amd/raven/acp3x-pcm-dma.c:246:3: error: implicit declaration of function 'page_to_phys'
   sound/soc//amd/raven/acp3x-pcm-dma.c: In function 'acp3x_audio_probe':
   sound/soc//amd/raven/acp3x-pcm-dma.c:638:2: error: implicit declaration of function 'devm_ioremap'
   sound/soc//amd/raven/acp3x-pcm-dma.c:638:20: warning: assignment makes pointer from integer without a cast [enabled by default]
   cc1: some warnings being treated as errors

vim +/page_to_phys +246 sound/soc//amd/raven/acp3x-pcm-dma.c

947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  230  	/* 8 scratch registers used to map one 64 bit address.
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  231  	 * For 2 pages (4096 * 2 bytes), it will be 16 registers.
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  232  	 */
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  233  	if (direction == SNDRV_PCM_STREAM_PLAYBACK)
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  234  		val = 0;
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  235  	else
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  236  		val = 16;
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  237  
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  238  	/* Group Enable */
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  239  	rv_writel(ACP_SRAM_PTE_OFFSET | BIT(31), rtd->acp3x_base +
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  240  					mmACPAXI2AXI_ATU_BASE_ADDR_GRP_1);
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  241  	rv_writel(PAGE_SIZE_4K_ENABLE, rtd->acp3x_base +
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  242  			mmACPAXI2AXI_ATU_PAGE_SIZE_GRP_1);
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  243  
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  244  	for (page_idx = 0; page_idx < rtd->num_pages; page_idx++) {
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  245  		/* Load the low address of page int ACP SRAM through SRBM */
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29 @246  		addr = page_to_phys(pg);
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  247  		low = lower_32_bits(addr);
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  248  		high = upper_32_bits(addr);
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  249  
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  250  		rv_writel(low, rtd->acp3x_base + mmACP_SCRATCH_REG_0 + val);
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  251  		high |= BIT(31);
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  252  		rv_writel(high, rtd->acp3x_base + mmACP_SCRATCH_REG_0 + val
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  253  				+ 4);
947d2f9f Maruthi Srinivas Bayyavarapu 2017-03-29  254  		/* Move to next physically contiguos page */

:::::: The code at line 246 was first introduced by commit
:::::: 947d2f9fc0cb6379ede8593e3ca0107f87fc4ce9 ASoC: AMD: add ACP3x PCM driver DMA ops

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

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

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