diff --git a/arch/Kconfig b/arch/Kconfig
index 01e3809cedc..0a65a3de820 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -174,8 +174,7 @@ config ARCH_EXTDRAMSIZE
 
 choice
 	prompt "SDRAM Width Selection"
-	default ARCH_CHIP_STM32F103ZET6
-	depends on ARCH_CHIP_STM32
+	default ARCH_SDRAM_16BIT
 
 config ARCH_SDRAM_8BIT
 	bool "8-bit"
diff --git a/arch/arm/include/arm/irq.h b/arch/arm/include/arm/irq.h
index a06abe88864..fdfdd38db59 100644
--- a/arch/arm/include/arm/irq.h
+++ b/arch/arm/include/arm/irq.h
@@ -228,4 +228,3 @@ extern "C" {
 #endif
 
 #endif /* __ARCH_ARM_INCLUDE_ARM_IRQ_H */
-
diff --git a/arch/arm/src/arm/up_head.S b/arch/arm/src/arm/up_head.S
index ef911d0b664..4778a1abd9f 100644
--- a/arch/arm/src/arm/up_head.S
+++ b/arch/arm/src/arm/up_head.S
@@ -1,5 +1,5 @@
 /****************************************************************************
- * arch/arm/src/arm/up_pghead.S
+ * arch/arm/src/arm/up_head.S
  *
  *   Copyright (C) 2007, 2009-2010 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>