From 30af691066dccba9d5e44c6656030faec25458be Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 14 Sep 2012 17:30:44 +0100
Subject: [PATCH] sfc: Rationalise MCDI buffer accessors

Add _MCDI_DWORD() which yields an lvalue for the given dword field
and change MCDI_DWORD(), MCDI_SET_DWORD() and MCDI_QWORD() to use it.

Fold the rather trivial MCDI_PTR2() into MCDI_PTR() and _MCDI_DWORD().

Remove MCDI_SET_DWORD2() and MCDI_QWORD2().  MCDI_DWORD2() should also
go, but it still has one user which we'll get rid of later.

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