sk.syed2 wrote: >> I have looked at the code for dma_alloc_coherent etc and it seems to me that >> it's returning null because there isn't the space available to allocate the >> requested memory. > You might have to increase the consistent(or dma) memory size. In > recent kernels its defined by CONSISTENT_DMA_SIZE > (ach/arm/include/asm/memory.h). Which kernel version are you using? > You might have to override this value to match your needs. Are there > any other drivers that allocate using dma_alloc_coherent? Oh, awesome! This was it, I'm using kernel version 2.6.37 and changing CONSISTENT_DMA_SIZE for arm has allowed me to allocate enough memory using dma_alloc_coherent so I can use the original code which I had working on x86. Is there any reason why this isn't a kconfig option? Thanks for the help. Phil _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
