NAME
i2o_dma_free - Free DMA memory
SYNOPSIS
void i2o_dma_free(struct device * dev, struct i2o_dma * addr);
ARGUMENTS
dev
struct device pointer to the PCI device of the I2O controller
addr
i2o_dma struct which contains the DMA buffer
DESCRIPTION
Free a coherent DMA memory and set virtual address of addr to NULL.