Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1552186
| From | Mark Brown <broonie@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 1/1] spi: imx: support to set watermark level via DTS |
| Date | 2017-01-05 19:10 +0100 |
| Message-ID | <sWkEa-6xP-17@gated-at.bofh.it> (permalink) |
| References | <sW9z4-7s1-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
[Multipart message — attachments visible in raw view] - view raw
On Thu, Jan 05, 2017 at 03:10:15PM +0900, Jiada Wang wrote: > Previously watermark level is configured to fifosize/2, > DMA mode can be used only when transfer length can be divided > by 'watermark level * bpw', which makes DMA mode not practical. > This patch adds new DTS property 'dma-wml', user can configure > DMA watermark level, by specify 'dma-wml' in corresponding ecspi > node. Doesn't this just move the problem around a bit - can we not have the driver figure out a more sensible watermark for each transfer rather than fixing one in the DT?
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH 1/1] spi: imx: support to set watermark level via DTS Jiada Wang <jiada_wang@mentor.com> - 2017-01-05 07:20 +0100
Re: [PATCH 1/1] spi: imx: support to set watermark level via DTS Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> - 2017-01-05 13:50 +0100
Re: [PATCH 1/1] spi: imx: support to set watermark level via DTS Mark Brown <broonie@kernel.org> - 2017-01-05 19:10 +0100
Re: [PATCH 1/1] spi: imx: support to set watermark level via DTS Jiada Wang <jiada_wang@mentor.com> - 2017-01-06 10:30 +0100
csiph-web