ARM: 6375/1: plat-nomadik: MTU timer trivial bug fix

timer0 to 3 are all on mtu block 0, so don't calculate the clock event
rate based upon mtu block 1's clock speed.

Acked-by: Alessandro Rubini <rubini@unipv.it>
Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/plat-nomadik/timer.c b/arch/arm/plat-nomadik/timer.c
index ea3ca86c52836ba1ec9fe780da9c1629db91723f..d673888af18ef280ee943fbf3ef9fe70714324b0 100644 (file)
--- a/arch/arm/plat-nomadik/timer.c
+++ b/arch/arm/plat-nomadik/timer.c
@@ -131,17 +131,12 @@ void __init nmdk_timer_init(void)
 {
        unsigned long rate;
        struct clk *clk0;
-       struct clk *clk1;
        u32 cr;
 
        clk0 = clk_get_sys("mtu0", NULL);
        BUG_ON(IS_ERR(clk0));
 
-       clk1 = clk_get_sys("mtu1", NULL);
-       BUG_ON(IS_ERR(clk1));
-
        clk_enable(clk0);
-       clk_enable(clk1);
 
        /*
         * Tick rate is 2.4MHz for Nomadik and 110MHz for ux500:
@@ -170,15 +165,8 @@ void __init nmdk_timer_init(void)
                pr_err("timer: failed to initialize clock source %s\n",
                       nmdk_clksrc.name);
 
-       /* Timer 1 is used for events, fix according to rate */
-       cr = MTU_CRn_32BITS;
-       rate = clk_get_rate(clk1);
-       if (rate > 16 << 20) {
-               rate /= 16;
-               cr |= MTU_CRn_PRESCALE_16;
-       } else {
-               cr |= MTU_CRn_PRESCALE_1;
-       }
+       /* Timer 1 is used for events */
+
        clockevents_calc_mult_shift(&nmdk_clkevt, rate, MTU_MIN_RANGE);
 
        writel(cr | MTU_CRn_ONESHOT, mtu_base + MTU_CR(1)); /* off, currently */