Messages in this thread | | | From | Vineet Gupta <> | Subject | Re: [PATCH v2 3/6] dmaengine: dw: Set DMA device max segment size parameter | Date | Fri, 8 May 2020 18:49:18 +0000 |
| |
On 5/8/20 4:21 AM, Andy Shevchenko wrote: > Yeah, I have locally something like this and I didn't dare to upstream because > there is an issue. We have this information per DMA controller, while we > actually need this on per DMA channel basis. > > Above will work only for synthesized DMA with all channels having same block > size. That's why above conditional is not needed anyway. > > OTOH, I never saw the DesignWare DMA to be synthesized differently (I remember > that Intel Medfield has interesting settings, but I don't remember if DMA > channels are different inside the same controller). > > Vineet, do you have any information that Synopsys customers synthesized DMA > controllers with different channel characteristics inside one DMA IP?
The IP drivers are done by different teams, but I can try and ask around.
| |