[RFC 00/12] OMAP DMA engine conversion

Grazvydas Ignotas notasas at gmail.com
Tue Apr 24 19:59:44 EDT 2012


On Wed, Apr 25, 2012 at 2:29 AM, Russell King - ARM Linux
<linux at arm.linux.org.uk> wrote:
> On Wed, Apr 25, 2012 at 01:47:21AM +0300, Grazvydas Ignotas wrote:
>> 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.
>
> I think my testing on OMAP4430SDP with the SPI based ethernet should've
> caught anything untoward there.
>
> For the MMC2, could you say whether this was the hsmmc driver or the
> older omap1/2 driver please?

hsmmc running on OMAP3 pandora.


-- 
Gražvydas



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