From: Jan Nikitenko <jan.nikitenko@gmail.com>
Date: Fri, 28 Nov 2008 07:52:58 +0000 (+0100)
Subject: MIPS: Fix oops in dma_unmap_page on not coherent mips platforms
X-Git-Tag: v2.6.30-rc1~680^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d7001198366bffce4506ba21b7b0fee2de194f73;p=pandora-kernel.git

MIPS: Fix oops in dma_unmap_page on not coherent mips platforms

dma_cache_wback_inv() expects virtual address, but physical was provided
due to translation via plat_dma_addr_to_phys().
If replaced with dma_addr_to_virt(), page fault oops from dma_unmap_page()
is gone on au1550 platform.

Signed-off-by: Jan Nikitenko <jan.nikitenko@gmail.com>
Acked-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

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