ENGR00177310-2 mx6 clock: change _clk_clko_round_rate

Change _clk_clko_round_rate and ensure the clock should
be less than the input rate.

Signed-off-by: Lily Zhang <r58066@freescale.com>

diff --git a/arch/arm/mach-mx6/clock.c b/arch/arm/mach-mx6/clock.c
index 06516b86aa0d1b07fc25d4cce1d9611cd8ebbd21..a6a1715124b3874cbec2bea56723f07fc5da5f92 100644 (file)
--- a/arch/arm/mach-mx6/clock.c
+++ b/arch/arm/mach-mx6/clock.c
@@ -4821,6 +4821,9 @@ static unsigned long _clk_clko_round_rate(struct clk *clk,
         */
        if (div == 0)
                div++;
+       else if (parent_rate % rate)
+               div++;
+
        if (div > 8)
                div = 8;
        return parent_rate / div;