[U-Boot] [PATCH 1/2] exynos: Correct use of 64-bit division

[Minkyu Kang]

On 13/04/13 23:26, Simon Glass wrote:
> The current code is causing errors like this on my toolchains:
> 
> /usr/x86_64-pc-linux-gnu/armv7a-cros-linux-gnueabi/binutils-bin/2.22/
> ld.bfd.real: failed to merge target specific data of file /usr/lib/gcc/
> armv7a-cros-linux-gnueabi/4.7.x-google/libgcc.a(_divdi3.o)
> 
> Use do_div() to avoid this.
> 
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>  arch/arm/cpu/armv7/s5p-common/timer.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/cpu/armv7/s5p-common/timer.c b/arch/arm/cpu/armv7/s5p-common/timer.c
> index 6a0fa58..4adfaae 100644
> --- a/arch/arm/cpu/armv7/s5p-common/timer.c
> +++ b/arch/arm/cpu/armv7/s5p-common/timer.c
> @@ -24,6 +24,7 @@
>   */
>  
>  #include <common.h>
> +#include <div64.h>
>  #include <asm/io.h>
>  #include <asm/arch/pwm.h>
>  #include <asm/arch/clk.h>
> @@ -76,6 +77,8 @@ int timer_init(void)
>   */
>  unsigned long get_timer(unsigned long base)
>  {
> +	unsigned long long time_ms;
> +
>  	ulong now = timer_get_us_down();
>  
>  	/*
> @@ -87,7 +90,9 @@ unsigned long get_timer(unsigned long base)
>  	gd->arch.lastinc = now;
>  
>  	/* Divide by 1000 to convert from us to ms */
> -	return gd->arch.timer_reset_value / 1000 - base;
> +	time_ms = gd->arch.timer_reset_value;
> +	do_div(time_ms, 1000);
> +	return time_ms - base;
>  }
>  
>  unsigned long timer_get_us(void)
> 

applied to u-boot-samsung

Thanks,
Minkyu Kang.