Re: [PATCH] libata: implement and use DMA mask configuration helper

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Tejun Heo wrote:
Implement and use DMA mask configuration helper.

Signed-off-by: Tejun Heo <htejun@xxxxxxxxx>
---
This function probably belongs to pci layer.  Put it in libata with
pci_test_bits() for the time being.

AFAIK the default DMA mask is always 32-bit. Code (often written by me) that sets it to a 32-bit mask was just paranoia, and not really needed.

Hence, the pci_go_64() function I added, found in #upstream.

	Jeff



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