[ARM] 3448/1: [S3C2410] Settle delay when _enabling_ USB PLL

Patch from Ben Dooks

Fix the bug in the UPLL enable code which should
have put a 200uS delay in if enabling the USB PLL
from the state where it is off.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-s3c2410/clock.c

@@ -249,7 +249,7 @@ static int s3c24xx_upll_enable(struct clk *clk, int enable)
 
 	/* if we started the UPLL, then allow to settle */
 
-	if (enable && !(orig & S3C2410_CLKSLOW_UCLK_OFF))
+	if (enable && (orig & S3C2410_CLKSLOW_UCLK_OFF))
 		udelay(200);
 
 	return 0;