use generic DMA mapping code in powerpc V4

[Christian Zigotzky]

Hi Christoph,

I bought a USB null modem RS-232 serial cable today so I was able to get 
some SATA error messages.

Error messages:

[   13.468538] fsl-sata ffe220000.sata: Sata FSL Platform/CSB Driver init
[   13.475106] fsl-sata ffe220000.sata: failed to start port 0 (errno=-12)
[   13.481736] fsl-sata ffe221000.sata: Sata FSL Platform/CSB Driver init
[   13.488267] fsl-sata ffe221000.sata: failed to start port 0 (errno=-12)

---

errno=-12 = Out of memory

Please find attached the complete serial log.

Cheers,
Christian


On 18 January 2019 at 4:06PM, Christian Zigotzky wrote:
> Hello Christoph,
>
> I was able to compile 257002094bc5935dd63207a380d9698ab81f0775 from 
> your Git powerpc-dma.6-debug today.
>
> Unfortunately I don't see any error messages (kernel ring buffer) and 
> I don't have a RS232 serial null modem cable to get them.
>
> Cheers,
> Christian
>
>

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