--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -1456,6 +1456,7 @@ static int __init mmc_omap_probe(struct
 	host->dma_ch = -1;
 
 	host->irq = irq;
+	host->reg_shift = (cpu_is_omap7xx() ? 1 : 2);
 	host->phys_base = host->mem_res->start;
 	host->virt_base = ioremap(res->start, resource_size(res));
 	if (!host->virt_base)
@@ -1495,7 +1496,9 @@ static int __init mmc_omap_probe(struct
 		}
 	}
 
-	host->reg_shift = (cpu_is_omap7xx() ? 1 : 2);
+	/* Make sure the detect workqueue was run at least once. */
+	printk(KERN_INFO "OMAP-mmc: waiting for cards...\n");
+	mmc_flush_scheduled_work();
 
 	return 0;
 
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -78,12 +78,13 @@ static int mmc_schedule_delayed_work(str
 }
 
 /*
- * Internal function. Flush all scheduled work from the MMC work queue.
+ * Flush all scheduled work from the MMC work queue.
  */
-static void mmc_flush_scheduled_work(void)
+void mmc_flush_scheduled_work(void)
 {
 	flush_workqueue(workqueue);
 }
+EXPORT_SYMBOL(mmc_flush_scheduled_work);
 
 #ifdef CONFIG_FAIL_MMC_REQUEST
 
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -445,6 +445,8 @@ static inline int mmc_boot_partition_acc
 	return !(host->caps2 & MMC_CAP2_BOOTPART_NOACC);
 }
 
+void mmc_flush_scheduled_work(void);
+
 #ifdef CONFIG_MMC_CLKGATE
 void mmc_host_clk_hold(struct mmc_host *host);
 void mmc_host_clk_release(struct mmc_host *host);