From: Will Deacon <will.deacon@arm.com>
Date: Fri, 11 Oct 2013 13:52:20 +0000 (+0100)
Subject: net: smc91x: dont't use SMC_outw for fixing up halfword-aligned data
X-Git-Tag: v3.12-rc7~20^2~32
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e9e4ea74f06635f2ffc1dffe5ef40c854faa0a90;p=pandora-kernel.git

net: smc91x: dont't use SMC_outw for fixing up halfword-aligned data

SMC_outw invokes an endian-aware I/O accessor, which may change the data
endianness before writing to the device. This is not suitable for data
transfers where the memory buffer is simply a string of bytes that does
not require any byte-swapping.

This patches fixes the smc91x SMC_PUSH_DATA macro so that it uses the
string I/O accessor for outputting the leading or trailing halfwords on
halfword-aligned buffers.

Cc: <netdev@vger.kernel.org>
Cc: Nicolas Pitre <nico@fluxnic.net>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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