Merge tag 'tegra-for-3.10-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git...
[cascardo/linux.git] / drivers / clocksource / tegra20_timer.c
index bc4b8ad..ae877b0 100644 (file)
@@ -154,29 +154,12 @@ static struct irqaction tegra_timer_irq = {
        .dev_id         = &tegra_clockevent,
 };
 
-static const struct of_device_id timer_match[] __initconst = {
-       { .compatible = "nvidia,tegra20-timer" },
-       {}
-};
-
-static const struct of_device_id rtc_match[] __initconst = {
-       { .compatible = "nvidia,tegra20-rtc" },
-       {}
-};
-
-static void __init tegra20_init_timer(void)
+static void __init tegra20_init_timer(struct device_node *np)
 {
-       struct device_node *np;
        struct clk *clk;
        unsigned long rate;
        int ret;
 
-       np = of_find_matching_node(NULL, timer_match);
-       if (!np) {
-               pr_err("Failed to find timer DT node\n");
-               BUG();
-       }
-
        timer_reg_base = of_iomap(np, 0);
        if (!timer_reg_base) {
                pr_err("Can't map timer registers\n");
@@ -200,30 +183,6 @@ static void __init tegra20_init_timer(void)
 
        of_node_put(np);
 
-       np = of_find_matching_node(NULL, rtc_match);
-       if (!np) {
-               pr_err("Failed to find RTC DT node\n");
-               BUG();
-       }
-
-       rtc_base = of_iomap(np, 0);
-       if (!rtc_base) {
-               pr_err("Can't map RTC registers");
-               BUG();
-       }
-
-       /*
-        * rtc registers are used by read_persistent_clock, keep the rtc clock
-        * enabled
-        */
-       clk = of_clk_get(np, 0);
-       if (IS_ERR(clk))
-               pr_warn("Unable to get rtc-tegra clock\n");
-       else
-               clk_prepare_enable(clk);
-
-       of_node_put(np);
-
        switch (rate) {
        case 12000000:
                timer_writel(0x000b, TIMERUS_USEC_CFG);
@@ -259,12 +218,34 @@ static void __init tegra20_init_timer(void)
        tegra_clockevent.irq = tegra_timer_irq.irq;
        clockevents_config_and_register(&tegra_clockevent, 1000000,
                                        0x1, 0x1fffffff);
-#ifdef CONFIG_HAVE_ARM_TWD
-       twd_local_timer_of_register();
-#endif
+}
+CLOCKSOURCE_OF_DECLARE(tegra20_timer, "nvidia,tegra20-timer", tegra20_init_timer);
+
+static void __init tegra20_init_rtc(struct device_node *np)
+{
+       struct clk *clk;
+
+       rtc_base = of_iomap(np, 0);
+       if (!rtc_base) {
+               pr_err("Can't map RTC registers");
+               BUG();
+       }
+
+       /*
+        * rtc registers are used by read_persistent_clock, keep the rtc clock
+        * enabled
+        */
+       clk = of_clk_get(np, 0);
+       if (IS_ERR(clk))
+               pr_warn("Unable to get rtc-tegra clock\n");
+       else
+               clk_prepare_enable(clk);
+
+       of_node_put(np);
+
        register_persistent_clock(NULL, tegra_read_persistent_clock);
 }
-CLOCKSOURCE_OF_DECLARE(tegra20, "nvidia,tegra20-timer", tegra20_init_timer);
+CLOCKSOURCE_OF_DECLARE(tegra20_rtc, "nvidia,tegra20-rtc", tegra20_init_rtc);
 
 #ifdef CONFIG_PM
 static u32 usec_config;