[ARM] 4790/1: S3C2412: Fix parent selection for msysclk.

The msysclk clock was checking for the wrong PLL for the
parent in s3c2412_setparent_msysclk(), trying the UPLL instead
of the MPLL output.

Also ensure the mpll and fclks are at the same rate at init time.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-s3c2412/clock.c

@@ -217,7 +217,7 @@ static int s3c2412_setparent_msysclk(struct clk *clk, struct clk *parent)
 
 	if (parent == &clk_mdivclk)
 		clksrc &= ~S3C2412_CLKSRC_MSYSCLK_MPLL;
-	else if (parent == &clk_upll)
+	else if (parent == &clk_mpll)
 		clksrc |= S3C2412_CLKSRC_MSYSCLK_MPLL;
 	else
 		return -EINVAL;

arch/arm/mach-s3c2412/s3c2412.c

@@ -168,6 +168,8 @@ void __init s3c2412_init_clocks(int xtal)
 
 	fclk = s3c2410_get_pll(__raw_readl(S3C2410_MPLLCON), xtal*2);
 
+	clk_mpll.rate = fclk;
+
 	tmp = __raw_readl(S3C2410_CLKDIVN);
 
 	/* work out clock scalings */