[PATCH] MTD: LPC32xx MLC NAND driver

Roland Stigge stigge at antcom.de
Tue May 15 11:56:32 EDT 2012


On 05/15/2012 05:49 PM, Roland Stigge wrote:
>>> +
>>> +	sg_init_one(&host->sgl, mem, len);
>>> +
>>> +	res = dma_map_sg(host->dma_chan->device->dev, &host->sgl, 1, dir);
>>
>> Also note that dma transfer directions and dma data directions are
>> different things.  You shouldn't mix the two.

Can I safely use DMA_BIDIRECTIONAL here (practically, it works - just
tested), because the caller asks for read _or_ write? Or do I need to
formally convert enum dma_transfer_direction to enum dma_data_direction?

Thanks in advance,

Roland



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