> + if (pdata && pdata->signal_voltage_switch) > + pdata->signal_voltage_switch(set); > +} > + > #ifdef CONFIG_OF > diff --git a/include/linux/platform_data/pxa_sdhci.h b/include/linux/platform_data/pxa_sdhci.h > index fdf38d6..3b94ab1 100644 > --- a/include/linux/platform_data/pxa_sdhci.h > +++ b/include/linux/platform_data/pxa_sdhci.h > @@ -40,6 +40,7 @@ > * @quirks: quirks of platfrom > * @quirks2: quirks2 of platfrom > * @pm_caps: pm_caps of platfrom > + * @signal_voltage_switch: soc/platfrom handling needed for voltage switch > */ > struct sdhci_pxa_platdata { > unsigned int flags; > @@ -54,6 +55,7 @@ struct sdhci_pxa_platdata { > unsigned int quirks; > unsigned int quirks2; > unsigned int pm_caps; > + void (*signal_voltage_switch)(unsigned int set); > }; > Using callback from pdata is in-acceptable. DT can not doing such way. /Zhangfei -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html