Re: [PATCH 1/3] i2c: add DMA support for freescale i2c driver

[Lothar WaÃmann]

Hi,

Marek Vasut wrote:
> On Friday, February 28, 2014 at 06:19:18 AM, Yao Yuan wrote:
> 
> [...]
> > Yes, here have two dma channels, one for RX and the other one for TX.
> > When we request the channel we should determine it for TX or RX.
> 
> Sorry, I don't quite understand this. If you have two DMA channels, can you not 
> use them both to do full-duplex SPI transfer ?
> 
SPI != I2C


Lothar WaÃmann
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