From mboxrd@z Thu Jan  1 00:00:00 1970
From: Simon Glass <sjg@chromium.org>
Date: Wed, 25 Nov 2015 09:51:49 -0700
Subject: [U-Boot] [PATCH v3 05/11] dm: timer: Support 64-bit counter
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Hi,

On 24 November 2015 at 23:44, Bin Meng <bmeng.cn@gmail.com> wrote:
> On Wed, Nov 25, 2015 at 11:20 AM, Thomas Chou <thomas@wytron.com.tw> wrote:
>> Hi Simon,
>>
>> On 2015?11?25? 02:23, Simon Glass wrote:
>>>
>>>
>>> Please try u-boot-dm/testing. This seems to be a different problem:
>>>
>>>       avr32:  +   grasshopper
>>> +lib/time.c:20: warning: register used for two global register variables
>>>
>>
>> I am using the avr32 toolchain from kernel.org, and couldn't see the
>> problem.
>>   gcc version 4.2.4-atmel.1.1.3.avr32linux.1
>
> For me, I cannot reproduce the build error too with buildman. I am
> using the same toolchain as Thomas.
>>
>> Would you please offer the link to download the avr32 toolchain you used?

It is avr32-buildroot-linux-uclibc-gcc

Target: avr32-buildroot-linux-uclibc
Configured with:
/home/sjg/c/buildroot/buildroot-2013.02/output/toolchain/gcc-4.2.2-avr32-2.1.5/configure
--prefix=/home/sjg/c/buildroot/buildroot-2013.02/output/host/usr
--build=x86_64-unknown-linux-gnu --host=x86_64-unknown-linux-gnu
--target=avr32-buildroot-linux-uclibc --enable-languages=c
--with-sysroot=/home/sjg/c/buildroot/buildroot-2013.02/output/host/usr/avr32-buildroot-linux-uclibc/sysroot
--with-build-time-tools=/home/sjg/c/buildroot/buildroot-2013.02/output/host/usr/avr32-buildroot-linux-uclibc/bin
--disable-__cxa_atexit --enable-target-optspace --disable-libquadmath
--disable-libgomp --with-gnu-ld --disable-libssp --disable-multilib
--disable-tls --enable-shared
--with-gmp=/home/sjg/c/buildroot/buildroot-2013.02/output/host/usr
--with-mpfr=/home/sjg/c/buildroot/buildroot-2013.02/output/host/usr
--disable-nls --enable-threads --disable-largefile
--disable-libmudflap
Thread model: posix
gcc version 4.2.2-atmel.1.0.8

So fairly old.

I'm not sure if I built it or downloaded it - it was a while ago.

So perhaps this is a toolchain problem. But still I don't think we
want to declare the global_data pointer in a header file.

Regards,
Simon