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Re: [PATCH] MIPS: Fix get dma physical address for Loongson
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From: |
Andrei Borzenkov |
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Subject: |
Re: [PATCH] MIPS: Fix get dma physical address for Loongson |
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Date: |
Fri, 12 Jun 2015 15:30:35 +0300 |
В Fri, 12 Jun 2015 20:28:16 +0800
Heiher <address@hidden> пишет:
> Hi,
>
> I think this is a old mistake. It caused Loongson 3 pci devices are broken.
> The lowest 29-bit address of dma chunk is physical address. It or
> 0x80000000 will be convert to cached virtual address.
>
Please in future put commit text in your patch, so it can be applied
using git am. Thank you.