diff --git a/arch/arm/mach-u300/mmc.c b/arch/arm/mach-u300/mmc.c
index ef8032d2f5bf..783f1236fe1b 100644
--- a/arch/arm/mach-u300/mmc.c
+++ b/arch/arm/mach-u300/mmc.c
@@ -101,6 +101,7 @@ int __devinit mmc_init(struct amba_device *adev)
 	 * we have a regulator we can control instead.
 	 */
 	/* Nominally 2.85V on our platform */
+	mmci_card->mmc0_plat_data.f_max = 24000000;
 	mmci_card->mmc0_plat_data.status = mmc_status;
 	mmci_card->mmc0_plat_data.gpio_wp = -1;
 	mmci_card->mmc0_plat_data.gpio_cd = -1;