[U-Boot] [PATCH v4] nios2: convert dma_alloc_coherent to use malloc_cache_aligned

Thomas Chou
2015-10-14T01:48:21Z

Hi Marek,

>>> On 10/12/2015 06:32 PM, Marek Vasut wrote:
>>>> Wouldn't invalidate_dcache_range() be enough here ? You don't care
>>>> about
>>>> the data in the newly allocated area at this point I guess -- either
>>>> you
>>>> fill them in and then flush, for DMA from CPU to device OR you receive
>>>> data from device to CPU and then you invalidate this buffer again.

Thanks a lot for your suggestion. I added invalidate_dcache_range()
which will check if the initda instruction is supported by the nios2 cpu.

Best regards,
Thomas