On Friday 05 April 2013, Stephen Warren wrote:
> This branch includes various cleanup of the core Tegra support.
>
> * Unification of the separate board-dt-tegra*.c files into a single
> tegra.c, now that everything is DT-driven and basically identical.
> * Use of_clk_get() in the Tegra clocksource driver so that clocks are
> described in DT rather than hard-coding clock names.
> * Some cleanup of the PMC-related code, with the aim that the PMC
> "driver" contains more of the code that touches PMC registers, rather
> than spreading PMC register accesses through other files.
> * Conversion of the "PMC" driver to acquire resources describe in device
> tree rather than hard-coding them.
> * Use of common code for the CPU sleep TLB invalidation.
>
Pulled into next/cleanup branch and resolved the conflict against
an earlier cleanup that was already present there, fixup below.
Arnd
--- a/drivers/clocksource/tegra20_timer.c
+++ b/drivers/clocksource/tegra20_timer.c
@@@ -218,34 -259,12 +218,34 @@@ static void __init tegra20_init_timer(s
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 = clk_get_sys("rtc-tegra", NULL);
++ 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;
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