dma_addr_t dma_handle;
dma_handle = pci_map_single(pdev, addr, size, direction);
dma_addr_t dma_handle;
dma_handle = pci_map_single(pdev, addr, size, direction);
/*
* reduce current DMA mapping usage,
* delay and try again later or
/*
* reduce current DMA mapping usage,
* delay and try again later or