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SubjectRe: [BUG] Multiple definition of pcibios_max_latency
On Tue, Feb 07, 2012 at 03:26:44PM -0700, Myron Stowe wrote:
> Mike:
>
> Are you seeing the same failure as Russell, and if so, could you try the
> following patch and see if it fixes the build?
>
>
> linux-arm-kernel:
>
> Any testing, with respect to what Russell encountered, of the various
> ARM variations/configurations would be much appreciated. Please provide
> feedback as to the specific ARM variation/configuration, if it is
> currently encountering the build issue that Russell is, and if the
> attached patch fixes the build.

Given the lack of response, I think this should just be submitted so it's
no longer causing a build regression.

> ARM/PCI: Remove ARM's duplicate definition of 'pcibios_max_latency'
>
> From: Myron Stowe <mstowe@redhat.com>
>
> The patch series to re-factor PCI's 'latency timer' setup (re:
> http://marc.info/?l=linux-kernel&m=131983853831049&w=2) forgot to
> remove the ARM specific definition of 'pcibios_max_latency' once such
> had been moved into the pci core resulting in ARM related compile
> errors -
> 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
>
> In the series, patch 2/16 (commit 168c8619fd8) converted the ARM
> specific version of 'pcibios_set_master()' to a non-inlined version.
> This was done in preperation for hosting it up into PCI's core, which
> was done in patch 10/16 (commit 96c5590058d) of the series (and
> where the removal of ARM's 'pcibios_max_latency' was overlooked).
>
> Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
> Signed-off-by: Myron Stowe <myron.stowe@redhat.com>
> ---
>
> arch/arm/common/it8152.c | 7 -------
> 1 files changed, 0 insertions(+), 7 deletions(-)
>
>
> diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c
> index d1bcd7b..fb1f1cf 100644
> --- a/arch/arm/common/it8152.c
> +++ b/arch/arm/common/it8152.c
> @@ -320,13 +320,6 @@ err0:
> return -EBUSY;
> }
>
> -/*
> - * If we set up a device for bus mastering, we need to check the latency
> - * timer as we don't have even crappy BIOSes to set it properly.
> - * The implementation is from arch/i386/pci/i386.c
> - */
> -unsigned int pcibios_max_latency = 255;
> -
> /* ITE bridge requires setting latency timer to avoid early bus access
> termination by PCI bus master devices
> */
>
>
>


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