From: Ben Hutchings <bhutchings@solarflare.com>
Date: Tue, 5 Mar 2013 17:49:39 +0000 (+0000)
Subject: sfc: Correct efx_rx_buffer::page_offset when EFX_PAGE_IP_ALIGN != 0
X-Git-Tag: v3.9-rc3~36^2~31^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c73e787a8db9117d59b5180baf83203a42ecadca;p=pandora-kernel.git

sfc: Correct efx_rx_buffer::page_offset when EFX_PAGE_IP_ALIGN != 0

RX DMA buffers start at an offset of EFX_PAGE_IP_ALIGN bytes from the
start of a cache line.  This offset obviously needs to be included in
the virtual address, but this was missed in commit b590ace09d51
('sfc: Fix efx_rx_buf_offset() in the presence of swiotlb') since
EFX_PAGE_IP_ALIGN is equal to 0 on both x86 and powerpc.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
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