#include <linux/jiffies.h>
#include <linux/posix-timers.h>
#include <linux/irq.h>
+#include <linux/delay.h>
+#include <linux/perf_counter.h>
#include <asm/io.h>
#include <asm/processor.h>
}
#endif /* CONFIG_PPC_ISERIES */
+#if defined(CONFIG_PERF_COUNTERS) && defined(CONFIG_PPC32)
+DEFINE_PER_CPU(u8, perf_counter_pending);
+
+void set_perf_counter_pending(void)
+{
+ get_cpu_var(perf_counter_pending) = 1;
+ set_dec(1);
+ put_cpu_var(perf_counter_pending);
+}
+
+#define test_perf_counter_pending() __get_cpu_var(perf_counter_pending)
+#define clear_perf_counter_pending() __get_cpu_var(perf_counter_pending) = 0
+
+#else /* CONFIG_PERF_COUNTERS && CONFIG_PPC32 */
+
+#define test_perf_counter_pending() 0
+#define clear_perf_counter_pending()
+
+#endif /* CONFIG_PERF_COUNTERS && CONFIG_PPC32 */
+
/*
* For iSeries shared processors, we have to let the hypervisor
* set the hardware decrementer. We set a virtual decrementer
set_dec(DECREMENTER_MAX);
#ifdef CONFIG_PPC32
+ if (test_perf_counter_pending()) {
+ clear_perf_counter_pending();
+ perf_counter_do_pending();
+ }
if (atomic_read(&ppc_n_lost_interrupts) != 0)
do_IRQ(regs);
#endif
}
+/* We don't need to calibrate delay, we use the CPU timebase for that */
+void calibrate_delay(void)
+{
+ /* Some generic code (such as spinlock debug) use loops_per_jiffy
+ * as the number of __delay(1) in a jiffy, so make it so
+ */
+ loops_per_jiffy = tb_ticks_per_jiffy;
+}
+
static int __init rtc_init(void)
{
struct platform_device *pdev;