> Yes I will free it using dma_free_coherent. Why should devm_kzalloc > be > replaced with dma_alloc_coherent ? I was trying to replace _pa() Why keep allocating and freeing a buffer rather than having a single buffer allocated once (as it is in the old driver). Alan _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
