On Tue, Sep 01, 2015 at 05:58:44PM +0800, Shawn Lin wrote: > Generic dma controller on Rockchips' platform cannot support > DMAFLUSHP instruction which make dma to flush the req of non-aligned > or non-multiple of what we need. That will cause an unrecoverable > dma bus error. The saftest way is to set dma max burst to 1.
If this is a quirk of the DMA controller why is it being fixed with a property specific to the SPI controller? Can't the DMA controller just override the burst size? > +#define ROCKCHIP_SPI_BORKEN_BURST_LEN (1<<0) /* broken burst len*/ This is misspelt.
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