Hi, On Mon, Apr 23, 2012 at 02:37:22PM +0300, Hiroshi DOYU wrote: > diff --git a/arch/arm/mach-tegra/tegra-ahb.c b/arch/arm/mach-tegra/tegra-ahb.c > index 411b51f..40877fa 100644 > --- a/arch/arm/mach-tegra/tegra-ahb.c > +++ b/arch/arm/mach-tegra/tegra-ahb.c > @@ -20,6 +20,7 @@ > */ > > #include > +#include EXPORT_SYMBOL() is defined in -- balbi