[RFC 00/12] OMAP DMA engine conversion

Grazvydas Ignotas notasas at gmail.com
Tue Apr 24 18:47:21 EDT 2012


On Tue, Apr 24, 2012 at 7:51 PM, Tony Lindgren <tony at atomide.com> wrote:
> * Russell King - ARM Linux <linux at arm.linux.org.uk> [120424 03:42]:
>> Here's another patch - for the OMAP NAND driver.
>>
>> One thing this doesn't do is configure up the source/destination bursts,
>> which the old code did:
>>
>>                         omap_set_dma_dest_burst_mode(info->dma_ch,
>>                                         OMAP_DMA_DATA_BURST_16);
>>                         omap_set_dma_src_burst_mode(info->dma_ch,
>>                                         OMAP_DMA_DATA_BURST_16);
>
> Grazvydas, care to give this patch a go?

Tested-by: Grazvydas Ignotas <notasas at gmail.com>
for:
- SD card connected over transceiver to MMC2
- touchscreen connected over SPI
- NAND on GPMC in DMA mode
Seems to be working just as they did before, except that I'm not sure
SPI was crossing PIO threshold.


-- 
Gražvydas



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