diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-tegra/clock.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/tegra2_clocks.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/timer.c | 12 |
3 files changed, 9 insertions, 6 deletions
diff --git a/arch/arm/mach-tegra/clock.h b/arch/arm/mach-tegra/clock.h index 8c18e81a9f56..5c44106616c5 100644 --- a/arch/arm/mach-tegra/clock.h +++ b/arch/arm/mach-tegra/clock.h @@ -148,7 +148,6 @@ struct tegra_clk_init_table { void tegra2_init_clocks(void); void clk_init(struct clk *clk); struct clk *tegra_get_clock_by_name(const char *name); -unsigned long clk_measure_input_freq(void); int clk_reparent(struct clk *c, struct clk *parent); void tegra_clk_init_from_table(struct tegra_clk_init_table *table); unsigned long clk_get_rate_locked(struct clk *c); diff --git a/arch/arm/mach-tegra/tegra2_clocks.c b/arch/arm/mach-tegra/tegra2_clocks.c index c78abab86253..ff9e6b6c0460 100644 --- a/arch/arm/mach-tegra/tegra2_clocks.c +++ b/arch/arm/mach-tegra/tegra2_clocks.c @@ -174,7 +174,7 @@ static int tegra_periph_clk_enable_refcount[3 * 32]; #define pmc_readl(reg) \ __raw_readl(reg_pmc_base + (reg)) -unsigned long clk_measure_input_freq(void) +static unsigned long clk_measure_input_freq(void) { u32 clock_autodetect; clk_writel(OSC_FREQ_DET_TRIG | 1, OSC_FREQ_DET); diff --git a/arch/arm/mach-tegra/timer.c b/arch/arm/mach-tegra/timer.c index 2f1df471c932..6366654b54c5 100644 --- a/arch/arm/mach-tegra/timer.c +++ b/arch/arm/mach-tegra/timer.c @@ -182,14 +182,18 @@ static struct irqaction tegra_timer_irq = { static void __init tegra_init_timer(void) { struct clk *clk; - unsigned long rate = clk_measure_input_freq(); + unsigned long rate; int ret; clk = clk_get_sys("timer", NULL); - if (IS_ERR(clk)) - pr_warn("Unable to get timer clock\n"); - else + if (IS_ERR(clk)) { + pr_warn("Unable to get timer clock." + " Assuming 12Mhz input clock.\n"); + rate = 12000000; + } else { clk_enable(clk); + rate = clk_get_rate(clk); + } /* * rtc registers are used by read_persistent_clock, keep the rtc clock |