[PATCH] MIPS: Fix get dma physical address for Loongson

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[PATCH] MIPS: Fix get dma physical address for Loongson

From:	Heiher
Subject:	[PATCH] MIPS: Fix get dma physical address for Loongson
Date:	Fri, 12 Jun 2015 20:28:16 +0800

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.

Best regards!
Heiher
http://hev.cc

0001-Fix-get-dma-physical-address-for-Loongson.diff
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