diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
index 02ab0cb43459..394413dc7deb 100644
--- a/arch/arm/mach-omap2/mailbox.c
+++ b/arch/arm/mach-omap2/mailbox.c
@@ -281,7 +281,7 @@ static struct omap_mbox_ops omap2_mbox_ops = {
 
 /* FIXME: the following structs should be filled automatically by the user id */
 
-#if defined(CONFIG_ARCH_OMAP3430) || defined(CONFIG_ARCH_OMAP2420)
+#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP2)
 /* DSP */
 static struct omap_mbox2_priv omap2_mbox_dsp_priv = {
 	.tx_fifo = {
@@ -306,7 +306,7 @@ struct omap_mbox mbox_dsp_info = {
 };
 #endif
 
-#if defined(CONFIG_ARCH_OMAP3430)
+#if defined(CONFIG_ARCH_OMAP3)
 struct omap_mbox *omap3_mboxes[] = { &mbox_dsp_info, NULL };
 #endif
 
@@ -394,15 +394,19 @@ static int __devinit omap2_mbox_probe(struct platform_device *pdev)
 
 	if (false)
 		;
-#if defined(CONFIG_ARCH_OMAP3430)
-	else if (cpu_is_omap3430()) {
+#if defined(CONFIG_ARCH_OMAP3)
+	else if (cpu_is_omap34xx()) {
 		list = omap3_mboxes;
 
 		list[0]->irq = platform_get_irq_byname(pdev, "dsp");
 	}
 #endif
-#if defined(CONFIG_ARCH_OMAP2420)
-	else if (cpu_is_omap2420()) {
+#if defined(CONFIG_ARCH_OMAP2)
+	else if (cpu_is_omap2430()) {
+		list = omap2_mboxes;
+
+		list[0]->irq = platform_get_irq_byname(pdev, "dsp");
+	} else if (cpu_is_omap2420()) {
 		list = omap2_mboxes;
 
 		list[0]->irq = platform_get_irq_byname(pdev, "dsp");