tree: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git topic/rockchip head: f874b80e1571118fcf4554878633556f06f998e6 commit: f874b80e1571118fcf4554878633556f06f998e6 [4/4] ASoC: rockchip: Add rockchip SPDIF transceiver driver config: microblaze-allmodconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/ma... -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout f874b80e1571118fcf4554878633556f06f998e6 # save the attached .config to linux build tree make.cross ARCH=microblaze

All warnings (new ones prefixed by >>):

...

sound/soc/rockchip/rockchip_spdif.c:67:12: warning: 'rk_spdif_runtime_resume' defined but not used [-Wunused-function]

static int rk_spdif_runtime_resume(struct device *dev) ^

vim +/rk_spdif_runtime_resume +67 sound/soc/rockchip/rockchip_spdif.c

51 { .compatible = "rockchip,rk3288-spdif", 52 .data = (void *) RK_SPDIF_RK3288 }, 53 {}, 54 }; 55 MODULE_DEVICE_TABLE(of, rk_spdif_match); 56 57 static int rk_spdif_runtime_suspend(struct device *dev) 58 { 59 struct rk_spdif_dev *spdif = dev_get_drvdata(dev); 60 61 clk_disable_unprepare(spdif->mclk); 62 clk_disable_unprepare(spdif->hclk); 63 64 return 0; 65 } 66

67 static int rk_spdif_runtime_resume(struct device *dev)

68 { 69 struct rk_spdif_dev *spdif = dev_get_drvdata(dev); 70 int ret; 71 72 ret = clk_prepare_enable(spdif->mclk); 73 if (ret) { 74 dev_err(spdif->dev, "mclk clock enable failed %d\n", ret); 75 return ret;

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