USB: s3c-hsotg: Fix core reset

This patch fixes code responsible for core reset.
Signed-off-by: Anton Tikhomirov <av.tikhomirov@samsung.com>
Reviewed-by: Kyoungil Kim<ki0351.kim@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/gadget/s3c-hsotg.c

@@ -2491,9 +2491,9 @@ static int s3c_hsotg_corereset(struct s3c_hsotg *hsotg)
 	timeout = 1000;
 	do {
 		grstctl = readl(hsotg->regs + S3C_GRSTCTL);
-	} while (!(grstctl & S3C_GRSTCTL_CSftRst) && timeout-- > 0);
+	} while ((grstctl & S3C_GRSTCTL_CSftRst) && timeout-- > 0);
 
-	if (!(grstctl & S3C_GRSTCTL_CSftRst)) {
+	if (grstctl & S3C_GRSTCTL_CSftRst) {
 		dev_err(hsotg->dev, "Failed to get CSftRst asserted\n");
 		return -EINVAL;
 	}
@@ -2510,9 +2510,6 @@ static int s3c_hsotg_corereset(struct s3c_hsotg *hsotg)
 			return -ETIMEDOUT;
 		}
 
-		if (grstctl & S3C_GRSTCTL_CSftRst)
-			continue;
-
 		if (!(grstctl & S3C_GRSTCTL_AHBIdle))
 			continue;