diff --git a/[refs] b/[refs]
index 11c9de7bd3d5..55ad7169955b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 22113efd00491310da802f3b1a9a66cfcf415fac
+refs/heads/master: d75c1084db5e4a30603729852046d0a87d4f7688
diff --git a/trunk/drivers/mmc/host/sdhci-pci.c b/trunk/drivers/mmc/host/sdhci-pci.c
index d2638ffc4ed2..0dc905b20eee 100644
--- a/trunk/drivers/mmc/host/sdhci-pci.c
+++ b/trunk/drivers/mmc/host/sdhci-pci.c
@@ -381,6 +381,8 @@ static int jmicron_probe_slot(struct sdhci_pci_slot *slot)
 	    slot->chip->pdev->device == PCI_DEVICE_ID_JMICRON_JMB388_ESD)
 		jmicron_enable_mmc(slot->host, 1);
 
+	slot->host->mmc->caps |= MMC_CAP_BUS_WIDTH_TEST;
+
 	return 0;
 }