diff --git a/arch/arm/mach-lpc32xx/include/mach/gpio.h b/arch/arm/mach-lpc32xx/include/mach/gpio.h
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..40a8c178f10d9e85a2873c83247c3f2fe553f408 100644
--- a/arch/arm/mach-lpc32xx/include/mach/gpio.h
+++ b/arch/arm/mach-lpc32xx/include/mach/gpio.h
@@ -0,0 +1 @@
+/* empty */
diff --git a/arch/arm/mach-tegra/include/mach/gpio.h b/arch/arm/mach-tegra/include/mach/gpio.h
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..40a8c178f10d9e85a2873c83247c3f2fe553f408 100644
--- a/arch/arm/mach-tegra/include/mach/gpio.h
+++ b/arch/arm/mach-tegra/include/mach/gpio.h
@@ -0,0 +1 @@
+/* empty */
diff --git a/arch/arm/mach-u300/include/mach/gpio.h b/arch/arm/mach-u300/include/mach/gpio.h
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..40a8c178f10d9e85a2873c83247c3f2fe553f408 100644
--- a/arch/arm/mach-u300/include/mach/gpio.h
+++ b/arch/arm/mach-u300/include/mach/gpio.h
@@ -0,0 +1 @@
+/* empty */