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Date: Wed, 4 Jul 2012 14:54:07 +0100
Message-ID: <CAFEAcA_CU3j4jEW4vn0LJY_n5CHK8=nNbexOkWHVukMmumv5Dw@mail.gmail.com>
From: Peter Maydell <peter.maydell@linaro.org>
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Subject: Re: [Qemu-devel] [PATCH v3 1/2] ARM: exynos4210: CMU support
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To: Maksim Kozlov <m.kozlov@samsung.com>
Cc: kyungmin.park@samsung.com, qemu-devel@nongnu.org, Dunrong Huang <riegamaths@gmail.com>

On 4 July 2012 14:45, Maksim Kozlov <m.kozlov@samsung.com> wrote:
> 04.07.2012 14:38, Dunrong Huang =D0=BF=D0=B8=D1=88=D0=B5=D1=82:
>>> +    PRINT_DEBUG("%s rate: %llu\n", pll->name, pll->rate);
>>
>> pll->rate is of type uint64_t incompatible with "%llu"
>
>
> Type uint64_t is included from /usr/include/stdint.h as
>
> typedef unsigned long long int  uint64_t;

On a 64 bit system this typedef is:
typedef unsigned long int       uint64_t;

> and 'll' specifies that a following 'u' conversion specifier
> applies to a unsigned long long argument

...and the compiler will complain about using 'll' with it,
as you can confirm if you try to build on a 64 bit box with
debug enabled.

This is why the PRI* POSIX macros exist. You need to use
PRINT_DEBUG("%s rate: %" PRIu64 "\n", pll->name, pll->rate);

(watch the quotes there.)

-- PMM