tree: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git queue-4.19 head: 49ada0390dee8e4db4da2ebcbc0b63e2d177c169 commit: 26f4543a0787b718464c1ae26baffd6cec590342 [6/35] mmc: sdhci-omap: Fix busy detection by enabling MMC_CAP_NEED_RSP_BUSY config: parisc-allyesconfig (attached as .config) compiler: hppa-linux-gcc (GCC) 9.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 26f4543a0787b718464c1ae26baffd6cec590342 # save the attached .config to linux build tree GCC_VERSION=9.2.0 make.cross ARCH=parisc If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; Note: the sashal-linux-stable/queue-4.19 HEAD 49ada0390dee8e4db4da2ebcbc0b63e2d177c169 builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): drivers/mmc/host/sdhci-omap.c: In function 'sdhci_omap_probe': 1113 | mmc->caps |= MMC_CAP_NEED_RSP_BUSY; | ^~~~~~~~~~~~~~~~~~~~~ | MMC_CAP_NEEDS_POLL drivers/mmc/host/sdhci-omap.c:1113:15: note: each undeclared identifier is reported only once for each function it appears in vim +1113 drivers/mmc/host/sdhci-omap.c 1004 1005 static int sdhci_omap_probe(struct platform_device *pdev) 1006 { 1007 int ret; 1008 u32 offset; 1009 struct device *dev = &pdev->dev; 1010 struct sdhci_host *host; 1011 struct sdhci_pltfm_host *pltfm_host; 1012 struct sdhci_omap_host *omap_host; 1013 struct mmc_host *mmc; 1014 const struct of_device_id *match; 1015 struct sdhci_omap_data *data; 1016 const struct soc_device_attribute *soc; 1017 1018 match = of_match_device(omap_sdhci_match, dev); 1019 if (!match) 1020 return -EINVAL; 1021 1022 data = (struct sdhci_omap_data *)match->data; 1023 if (!data) { 1024 dev_err(dev, "no sdhci omap data\n"); 1025 return -EINVAL; 1026 } 1027 offset = data->offset; 1028 1029 host = sdhci_pltfm_init(pdev, &sdhci_omap_pdata, 1030 sizeof(*omap_host)); 1031 if (IS_ERR(host)) { 1032 dev_err(dev, "Failed sdhci_pltfm_init\n"); 1033 return PTR_ERR(host); 1034 } 1035 1036 pltfm_host = sdhci_priv(host); 1037 omap_host = sdhci_pltfm_priv(pltfm_host); 1038 omap_host->host = host; 1039 omap_host->base = host->ioaddr; 1040 omap_host->dev = dev; 1041 omap_host->power_mode = MMC_POWER_UNDEFINED; 1042 omap_host->timing = MMC_TIMING_LEGACY; 1043 omap_host->flags = data->flags; 1044 host->ioaddr += offset; 1045 1046 mmc = host->mmc; 1047 sdhci_get_of_property(pdev); 1048 ret = mmc_of_parse(mmc); 1049 if (ret) 1050 goto err_pltfm_free; 1051 1052 soc = soc_device_match(sdhci_omap_soc_devices); 1053 if (soc) { 1054 omap_host->version = "rev11"; 1055 if (!strcmp(dev_name(dev), "4809c000.mmc")) 1056 mmc->f_max = 96000000; 1057 if (!strcmp(dev_name(dev), "480b4000.mmc")) 1058 mmc->f_max = 48000000; 1059 if (!strcmp(dev_name(dev), "480ad000.mmc")) 1060 mmc->f_max = 48000000; 1061 } 1062 1063 pltfm_host->clk = devm_clk_get(dev, "fck"); 1064 if (IS_ERR(pltfm_host->clk)) { 1065 ret = PTR_ERR(pltfm_host->clk); 1066 goto err_pltfm_free; 1067 } 1068 1069 ret = clk_set_rate(pltfm_host->clk, mmc->f_max); 1070 if (ret) { 1071 dev_err(dev, "failed to set clock to %d\n", mmc->f_max); 1072 goto err_pltfm_free; 1073 } 1074 1075 omap_host->pbias = devm_regulator_get_optional(dev, "pbias"); 1076 if (IS_ERR(omap_host->pbias)) { 1077 ret = PTR_ERR(omap_host->pbias); 1078 if (ret != -ENODEV) 1079 goto err_pltfm_free; 1080 dev_dbg(dev, "unable to get pbias regulator %d\n", ret); 1081 } 1082 omap_host->pbias_enabled = false; 1083 1084 /* 1085 * omap_device_pm_domain has callbacks to enable the main 1086 * functional clock, interface clock and also configure the 1087 * SYSCONFIG register of omap devices. The callback will be invoked 1088 * as part of pm_runtime_get_sync. 1089 */ 1090 pm_runtime_enable(dev); 1091 ret = pm_runtime_get_sync(dev); 1092 if (ret < 0) { 1093 dev_err(dev, "pm_runtime_get_sync failed\n"); 1094 pm_runtime_put_noidle(dev); 1095 goto err_rpm_disable; 1096 } 1097 1098 ret = sdhci_omap_set_capabilities(omap_host); 1099 if (ret) { 1100 dev_err(dev, "failed to set system capabilities\n"); 1101 goto err_put_sync; 1102 } 1103 1104 host->mmc_host_ops.get_ro = mmc_gpio_get_ro; 1105 host->mmc_host_ops.start_signal_voltage_switch = 1106 sdhci_omap_start_signal_voltage_switch; 1107 host->mmc_host_ops.set_ios = sdhci_omap_set_ios; 1108 host->mmc_host_ops.card_busy = sdhci_omap_card_busy; 1109 host->mmc_host_ops.execute_tuning = sdhci_omap_execute_tuning; 1110 host->mmc_host_ops.enable_sdio_irq = sdhci_omap_enable_sdio_irq; 1111 1112 /* R1B responses is required to properly manage HW busy detection. */ 1114 1115 ret = sdhci_setup_host(host); 1116 if (ret) 1117 goto err_put_sync; 1118 1119 ret = sdhci_omap_config_iodelay_pinctrl_state(omap_host); 1120 if (ret) 1121 goto err_cleanup_host; 1122 1123 ret = __sdhci_add_host(host); 1124 if (ret) 1125 goto err_cleanup_host; 1126 1127 return 0; 1128 1129 err_cleanup_host: 1130 sdhci_cleanup_host(host); 1131 1132 err_put_sync: 1133 pm_runtime_put_sync(dev); 1134 1135 err_rpm_disable: 1136 pm_runtime_disable(dev); 1137 1138 err_pltfm_free: 1139 sdhci_pltfm_free(pdev); 1140 return ret; 1141 } 1142 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org