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| Started by | Mark Brown <broonie@kernel.org> |
|---|---|
| First post | 2015-09-11 13:30 +0200 |
| Last post | 2015-09-11 13:30 +0200 |
| Articles | 1 — 1 participant |
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Re: [PATCH v4 08/10] spi: rockchip: modify DMA max burst to 1 Mark Brown <broonie@kernel.org> - 2015-09-11 13:30 +0200
| From | Mark Brown <broonie@kernel.org> |
|---|---|
| Date | 2015-09-11 13:30 +0200 |
| Subject | Re: [PATCH v4 08/10] spi: rockchip: modify DMA max burst to 1 |
| Message-ID | <q7uGK-6f-9@gated-at.bofh.it> |
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On Sun, Sep 06, 2015 at 09:13:06AM +0800, Shawn Lin wrote: > From: Addy Ke <addy.ke@rock-chips.com> > > 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. Acked-by: Mark Brown <broonie@kernel.org>
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