void (*set_clock)(struct sdhci_host *host, u32 div);
int (*platform_execute_tuning)(struct mmc *host, u8 opcode);
void (*set_delay)(struct sdhci_host *host);
void (*set_clock)(struct sdhci_host *host, u32 div);
int (*platform_execute_tuning)(struct mmc *host, u8 opcode);
void (*set_delay)(struct sdhci_host *host);