}
 
 static int sdhci_do_start_signal_voltage_switch(struct sdhci_host *host,
-                                               int signal_voltage)
+                                               struct mmc_ios *ios)
 {
        u16 ctrl;
        int ret;
 
        ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2);
 
-       switch (signal_voltage) {
+       switch (ios->signal_voltage) {
        case MMC_SIGNAL_VOLTAGE_330:
                /* Set 1.8V Signal Enable in the Host Control2 register to 0 */
                ctrl &= ~SDHCI_CTRL_VDD_180;
 }
 
 static int sdhci_start_signal_voltage_switch(struct mmc_host *mmc,
-       int signal_voltage)
+       struct mmc_ios *ios)
 {
        struct sdhci_host *host = mmc_priv(mmc);
        int err;
        if (host->version < SDHCI_SPEC_300)
                return 0;
        sdhci_runtime_pm_get(host);
-       err = sdhci_do_start_signal_voltage_switch(host, signal_voltage);
+       err = sdhci_do_start_signal_voltage_switch(host, ios);
        sdhci_runtime_pm_put(host);
        return err;
 }