tree: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git topic/drm head: e3839bd6f56a291f00a4c3737eb15ca0344a82a9 commit: e3839bd6f56a291f00a4c3737eb15ca0344a82a9 [1/1] drm: dw-hdmi-i2s: add .get_dai_id callback for ALSA SoC 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 e3839bd6f56a291f00a4c3737eb15ca0344a82a9 # save the attached .config to linux build tree make.cross ARCH=tile

All warnings (new ones prefixed by >>):

drivers/gpu//drm/bridge/synopsys/dw-hdmi-i2s-audio.c:86:14: warning: 'struct snd_soc_component' declared inside parameter list [enabled by default] drivers/gpu//drm/bridge/synopsys/dw-hdmi-i2s-audio.c:86:14: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default] drivers/gpu//drm/bridge/synopsys/dw-hdmi-i2s-audio.c: In function 'dw_hdmi_i2s_get_dai_id': drivers/gpu//drm/bridge/synopsys/dw-hdmi-i2s-audio.c:88:21: error: storage size of 'of_ep' isn't known drivers/gpu//drm/bridge/synopsys/dw-hdmi-i2s-audio.c:91:2: error: implicit declaration of function 'of_graph_parse_endpoint'

...

drivers/gpu//drm/bridge/synopsys/dw-hdmi-i2s-audio.c:88:21: warning: unused variable 'of_ep'

drivers/gpu//drm/bridge/synopsys/dw-hdmi-i2s-audio.c: At top level: drivers/gpu//drm/bridge/synopsys/dw-hdmi-i2s-audio.c:108:2: error: unknown field 'get_dai_id' specified in initializer drivers/gpu//drm/bridge/synopsys/dw-hdmi-i2s-audio.c:108:2: warning: initialization from incompatible pointer type [enabled by default] drivers/gpu//drm/bridge/synopsys/dw-hdmi-i2s-audio.c:108:2: warning: (near initialization for 'dw_hdmi_i2s_ops.digital_mute') [enabled by default] cc1: some warnings being treated as errors

vim +/of_ep +88 drivers/gpu//drm/bridge/synopsys/dw-hdmi-i2s-audio.c

80 dw_hdmi_audio_disable(hdmi); 81 82 hdmi_write(audio, HDMI_AUD_CONF0_SW_RESET, HDMI_AUD_CONF0); 83 } 84 85 static int dw_hdmi_i2s_get_dai_id(struct snd_soc_component *component,

86 struct device_node *endpoint)

87 {

88 struct of_endpoint of_ep;

89 int ret; 90 91 ret = of_graph_parse_endpoint(endpoint, &of_ep);

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