On Oct 7, 2010, at 9:15 PM, Hu Mingkai-B21284 wrote:

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Yes, I agree with David on this.  If large transfers don't work,
then it is the SPI master driver that is buggy.

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By the way, does this fix your problem?
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https://patchwork.kernel.org/patch/184752/

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It shouldn't. AFAIK, eSPI is PIO-only controller, and the overrun fix =

is for the

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DMA mode.
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Thanks,
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p.s. Btw, in patch 3/7, is_dma_mapped argument of fsl_espi_bufs() is =

unneeded.

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Yes, the is_dma_mapped isn't needed, I'll remove it.
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Thanks,
Mingkai

I'd be really nice if we could close on this patchset in time for .37 =
acceptance.  I'm guessing that cutoff is quickly approaching.

- k=