[U-Boot] [PATCH 4/9] drivers/usb/musb/musb_udc.c: Fix GCC 4.6 warning

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

> Fix:
> musb_udc.c: In function 'musb_peri_softconnect':
> musb_udc.c:166:14: warning: variable 'intrtx' set but not used
> [-Wunused-but-set-variable]
> musb_udc.c:166:6: warning: variable 'intrrx' set but not used
> [-Wunused-but-set-variable]
> musb_udc.c:165:5: warning: variable 'intrusb' set but not used
> [-Wunused-but-set-variable]
> 
> Signed-off-by: Anatolij Gustschin <agust@denx.de>
> Cc: Remy Bohmer <linux@bohmer.net>
> ---
>  drivers/usb/musb/musb_udc.c |    8 +++-----
>  1 files changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/usb/musb/musb_udc.c b/drivers/usb/musb/musb_udc.c
> index 6f6ed61..09cdec3 100644
> --- a/drivers/usb/musb/musb_udc.c
> +++ b/drivers/usb/musb/musb_udc.c
> @@ -162,8 +162,6 @@ static void musb_db_regs(void)
>  static void musb_peri_softconnect(void)
>  {
>  	u8 power, devctl;
> -	u8 intrusb;
> -	u16 intrrx, intrtx;
> 
>  	/* Power off MUSB */
>  	power = readb(&musbr->power);
> @@ -171,9 +169,9 @@ static void musb_peri_softconnect(void)
>  	writeb(power, &musbr->power);
> 
>  	/* Read intr to clear */
> -	intrusb = readb(&musbr->intrusb);
> -	intrrx = readw(&musbr->intrrx);
> -	intrtx = readw(&musbr->intrtx);
> +	readb(&musbr->intrusb);
> +	readw(&musbr->intrrx);
> +	readw(&musbr->intrtx);
> 
>  	udelay(1000 * 1000); /* 1 sec */

Acked-by: Marek Vasut <marek.vasut@gmail.com>