[BUG] Multiple definition of pcibios_max_latency

[Russell King - ARM Linux]

While building my test PXA configuration, I came across:

drivers/built-in.o:(.data+0x230): multiple definition of `pcibios_max_latency'
arch/arm/common/built-in.o:(.data+0x40c): first defined here
make[1]: *** [vmlinux.o] Error 1

This was introduced by:

commit 96c5590058d7fded14f43af2ab521436cecf3125
Author: Myron Stowe <mstowe@xxxxxxxxxx>
Date:   Fri Oct 28 15:48:38 2011 -0600

    PCI: Pull PCI 'latency timer' setup up into the core

    The 'latency timer' of PCI devices, both Type 0 and Type 1,
    is setup in architecture-specific code [see: 'pcibios_set_master()'].
    There are two approaches being taken by all the architectures - check
    if the 'latency timer' is currently set between 16 and 255 and if not
    bring it within bounds, or, do nothing (and then there is the
    gratuitously different PA-RISC implementation).

    There is nothing architecture-specific about PCI's 'latency timer' so
    this patch pulls its setup functionality up into the PCI core by
    creating a generic 'pcibios_set_master()' function using the '__weak'
    attribute which can be used by all architectures as a default which,
    if necessary, can then be over-ridden by architecture-specific code.

    No functional change.

    Signed-off-by: Myron Stowe <myron.stowe@xxxxxxxxxx>
    Signed-off-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>

which moved the handling of pcibios_set_master() into core code for
everyone but ARM:

 arch/blackfin/include/asm/pci.h         |    4 ----
 arch/frv/mb93090-mb00/pci-frv.c         |    6 ------
 arch/frv/mb93090-mb00/pci-frv.h         |    2 --
 arch/h8300/include/asm/pci.h            |    5 -----
 arch/mips/pci/pci.c                     |    6 ------
 arch/mn10300/unit-asb2305/pci-asb2305.c |    6 ------
 arch/mn10300/unit-asb2305/pci-asb2305.h |    2 --
 arch/sh/drivers/pci/pci.c               |    6 ------
 arch/x86/include/asm/pci_x86.h          |    2 --
 arch/x86/pci/i386.c                     |    6 ------
 drivers/pci/pci.c                       |   29 +++++++++++++++++++++++++++++
 include/linux/pci.h                     |    3 +++
 12 files changed, 32 insertions(+), 45 deletions(-)

I think the right solution is to delete the (now duplicate) definition 
of pcibios_max_latency in arch/arm/common/it8152.c.  Please comment.
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