On 6/12/2014 12:47 PM, Sergei Shtylyov wrote:
Actually, I intended to say 64 since this is supposed to be setting up 64-bit DMA mask. Or we could just say failed to set up DMA mask.diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c index 3a5b4ed..a958a2b 100644 --- a/drivers/ata/libahci_platform.c +++ b/drivers/ata/libahci_platform.c @@ -364,6 +364,19 @@ int ahci_platform_init_host(struct platform_device *pdev, ap->ops = &ata_dummy_port_ops; }+ if (hpriv->cap & HOST_CAP_64) { + rc = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(64)); + if (rc) { + rc = dma_coerce_mask_and_coherent(dev, + DMA_BIT_MASK(32)); + if (rc) { + dev_err(dev, "Failed to enable 64-bit DMA.\n");Not 32-bit?
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