[U-Boot] [PATCH] drivers/rtc/ds1337.c: fix GCC 4.6 build warnings

[Marek Vasut <marek.vasut@gmail.com>]

> Fix:
> ds1337.c: In function 'rtc_get':
> ds1337.c:88:52: warning: variable 'control' set but not used
> [-Wunused-but-set-variable]
> 
> Signed-off-by: Wolfgang Denk <wd@denx.de>
> ---
>  drivers/rtc/ds1337.c |   16 +++-------------
>  1 files changed, 3 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/rtc/ds1337.c b/drivers/rtc/ds1337.c
> index 7abf041..5bb9f94 100644
> --- a/drivers/rtc/ds1337.c
> +++ b/drivers/rtc/ds1337.c
> @@ -34,16 +34,6 @@
> 
>  #if defined(CONFIG_CMD_DATE)
> 
> -/*---------------------------------------------------------------------*/
> -#undef DEBUG_RTC
> -
> -#ifdef DEBUG_RTC
> -#define DEBUGR(fmt,args...) printf(fmt ,##args)
> -#else
> -#define DEBUGR(fmt,args...)
> -#endif
> -/*---------------------------------------------------------------------*/
> -

This undermines the ability of fine-grained debuging output, right? Now you can 
only debug whole uboot or nothing ... correct me if I'm wrong please.

>  /*
>   * RTC register addresses
>   */
> @@ -97,7 +87,7 @@ int rtc_get (struct rtc_time *tmp)
>  	mon_cent = rtc_read (RTC_MON_REG_ADDR);
>  	year = rtc_read (RTC_YR_REG_ADDR);
> 
> -	DEBUGR ("Get RTC year: %02x mon/cent: %02x mday: %02x wday: %02x "
> +	debug("Get RTC year: %02x mon/cent: %02x mday: %02x wday: %02x "
>  		"hr: %02x min: %02x sec: %02x control: %02x status: %02x\n",
>  		year, mon_cent, mday, wday, hour, min, sec, control, status);
> 

Cheers