__sdhci_execute_tuning
host->tuning_err = __sdhci_execute_tuning(host, opcode);
EXPORT_SYMBOL_GPL(__sdhci_execute_tuning);
host->tuning_err = __sdhci_execute_tuning(host, opcode);
int __sdhci_execute_tuning(struct sdhci_host *host, u32 opcode);