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

[Marek Vasut]

On Friday, February 28, 2014 at 11:59:25 AM, Lothar Waßmann wrote:
> 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

You got me, sorry.

Best regards,
Marek Vasut
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