On 09/23/2011 05:13 PM, Fabio Estevam wrote:
> When building the zmx25 target we get:
> 
> Configuring for zmx25 board...
> generic.c:108: warning: 'get_reset_cause' defined but not used
> 
> Fix this warning by defining get_reset_cause only if CONFIG_DISPLAY_CPUINFO 
> is defined.
> 
> Signed-off-by: Fabio Estevam <[email protected]>
> ---
> Changes since v2:
> - Move the location of get_reset_cause
> Changes since v1:
> - Only define get_reset_cause when CONFIG_DISPLAY_CPUINFO is defined.
>  arch/arm/cpu/arm926ejs/mx25/generic.c |   46 ++++++++++++++++----------------
>  1 files changed, 23 insertions(+), 23 deletions(-)
> 
> diff --git a/arch/arm/cpu/arm926ejs/mx25/generic.c 
> b/arch/arm/cpu/arm926ejs/mx25/generic.c
> index 1261640..8e60a26 100644
> --- a/arch/arm/cpu/arm926ejs/mx25/generic.c
> +++ b/arch/arm/cpu/arm926ejs/mx25/generic.c
> @@ -105,29 +105,6 @@ ulong imx_get_perclk (int clk)
>       return lldiv (fref, div);
>  }
>  
> -static char *get_reset_cause(void)
> -{
> -     /* read RCSR register from CCM module */
> -     struct ccm_regs *ccm =
> -             (struct ccm_regs *)IMX_CCM_BASE;
> -
> -     u32 cause = readl(&ccm->rcsr) & 0x0f;
> -
> -     if (cause == 0)
> -             return "POR";
> -     else if (cause == 1)
> -             return "RST";
> -     else if ((cause & 2) == 2)
> -             return "WDOG";
> -     else if ((cause & 4) == 4)
> -             return "SW RESET";
> -     else if ((cause & 8) == 8)
> -             return "JTAG";
> -     else
> -             return "unknown reset";
> -
> -}
> -
>  u32 get_cpu_rev(void)
>  {
>       u32 srev;
> @@ -153,6 +130,29 @@ u32 get_cpu_rev(void)
>  }
>  
>  #if defined(CONFIG_DISPLAY_CPUINFO)
> +static char *get_reset_cause(void)
> +{
> +     /* read RCSR register from CCM module */
> +     struct ccm_regs *ccm =
> +             (struct ccm_regs *)IMX_CCM_BASE;
> +
> +     u32 cause = readl(&ccm->rcsr) & 0x0f;
> +
> +     if (cause == 0)
> +             return "POR";
> +     else if (cause == 1)
> +             return "RST";
> +     else if ((cause & 2) == 2)
> +             return "WDOG";
> +     else if ((cause & 4) == 4)
> +             return "SW RESET";
> +     else if ((cause & 8) == 8)
> +             return "JTAG";
> +     else
> +             return "unknown reset";
> +
> +}
> +
>  int print_cpuinfo (void)
>  {
>       char buf[32];

Acked-by: Stefano Babic <[email protected]>

Best regards,
Stefano Babic

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