From: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> Date: Wed, 23 Nov 2016 14:57:39 -0800 > What's the guarantee, since the device descriptors only cope with 32 > bits of physical address, that this driver never gets any dma address > beyond its addressable range? Is it that the sbus can never be > attached to this ATU type IOMMU? If so, saying that in the log would > be useful. SBUS hasn't changed for 20 years and is a 32-bit bus. -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
