[PATCH v2 2/5] sata highbank: enable 64-bit DMA mask when using LPAE

From: Mark Langsdorf
Date: Fri Aug 02 2013 - 12:28:39 EST

From: Rob Herring <rob.herring@xxxxxxxxxxx>

Signed-off-by: Rob Herring <rob.herring@xxxxxxxxxxx>
Signed-off-by: Mark Langsdorf <mark.langsdorf@xxxxxxxxxxx>
Changes from v1

drivers/ata/sata_highbank.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/ata/sata_highbank.c b/drivers/ata/sata_highbank.c
index e9a4f46..8b40025 100644
--- a/drivers/ata/sata_highbank.c
+++ b/drivers/ata/sata_highbank.c
@@ -479,6 +479,9 @@ static int ahci_highbank_probe(struct platform_device *pdev)
if (hpriv->cap & HOST_CAP_PMP)
pi.flags |= ATA_FLAG_PMP;

+ if (hpriv->cap & HOST_CAP_64)
+ dma_set_coherent_mask(dev, DMA_BIT_MASK(64));
/* CAP.NP sometimes indicate the index of the last enabled
* port, at other times, that of the last possible port, so
* determining the maximum port number requires looking at

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