From: Mahesh <maheshk@xxxxxxx> Date: Thu, 10 May 2007 13:28:13 +0530 > I have a small question regarding the accessing the data in the DMA > mapped region (in the driver). In my driver I only have the > 'dma_addr_t addr' variable which is result after the 'dma_map_single'. > I don't have access to the virtual address of the data region. > > Is there helper routine which we will give me the virtual address back > from the DMA mapped address??? You can eithe keep track of this yourself, or (depending upon your usage) you might be able to use DMA pools, see dma_pool_create() and friends. -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
