On Thu, Sep 9, 2010 at 2:34 AM, Sergei Shtylyov <sshtylyov@xxxxxxxxxx> wrote: >> +static inline void plat_extra_sync_for_cpu(struct device *dev, >> + dma_addr_t dma_handle, unsigned long offset, size_t size, >> + enum dma_data_direction direction) >> +{ >> + return; > > Why not just empty function bodies? For consistency with plat_extra_sync_for_device().