Messages in this thread | | | Date | Fri, 31 Aug 2012 16:49:43 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH 2/2] dw_dmac: max_mem_width limits value for SRC/DST_TR_WID register |
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On Mon, 27 Aug 2012 04:41:04 +0800 Hein Tibosch <hein_tibosch@yahoo.es> wrote:
> The dw_dmac driver was earlier adapted to do 64-bit transfers > on the memory side (https://lkml.org/lkml/2012/1/18/52) > This works on ARM platforms but for AVR32 (AP700x) the maximum > allowed transfer size is 32-bits. > This patch allows the arch to set a new slave property > max_mem_width to limit the size. > Allowable values for dw_dma_slave::max_mem_width are: >
This patch fails to apply to mainline and to linux-next and I can't work out how to make it to apply to either. And "avr32-linux: at32ap700x: set DMA slave properties for MCI dw_dmac" is said to depend on this patch.
All confused, giving up.
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