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List:       linux-wireless
Subject:    Re: MT76x2U crashes XHCI driver on AMD Ryzen system
From:       Joerg Roedel <joro () 8bytes ! org>
Date:       2019-02-28 13:40:29
Message-ID: 20190228134029.GC1594 () 8bytes ! org
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On Thu, Feb 28, 2019 at 01:19:48PM +0100, Stanislaw Gruszka wrote:
> Nevermind, the patch is wrong, s->dma_address is initalized in sg_num_pages().

Yes, it is. In sg_num_pages() the offset into the IOMMU mapping is
stored in s->dma_address, taking also the segment boundary mask into
account. map_sg() later only adds the base-address to that.

Regards,

	Joerg
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