On 08/18/2014 10:38 AM, Shengjiu Wang wrote:
Build kernel with SND_SOC_IMC_PCM_DMA=m && SND_IMX_SOC=n leads the following
error:
sound/built-in.o: In function `fsl_sai_probe':
fsl_sai.c:(.text+0x5f662): undefined reference to `imx_pcm_dma_init'
sound/built-in.o: In function `fsl_esai_probe':
fsl_esai.c:(.text+0x6044b): undefined reference to `imx_pcm_dma_init'
Most cpu driver in soc/fsl has use the function 'imx_pcm_dma_init' which is
defined in imx-pcm-dma.c, so need to select SND_SOC_IMX_PCM_DMA, but it depends
on SND_IMX_SOC, if SND_IMX_SOC=n, then SND_SOC_IMX_PCM_DMA will not be
selected.
So remove the dependence of SND_IMX_SOC for SND_SOC_IMX_PCM_DMA.
Reported-by: kbuild test robot <fengguang...@intel.com>
Signed-off-by: Shengjiu Wang <shengjiu.w...@freescale.com>
Those if conditions where just added[1] by Arnd to avoid other build
failures. So just removing them again makes little sense.
As far as I can see imx_pcm_dma_init() should be stubbed out when
SND_SOC_IMX_PCM_DMA is not selected. So what's going on here?
[1]
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ff40260f79dc0436604452bccd449bffd25ebafb
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